[PD] Pd workshop in Vienna (Metalab), 27.+28.Nov

2010-11-07 Thread Georg Holzmann

Hallo!

At the 27.+28.11.2010 there will be a free Pure Data workshop at the 
Metalab (metalab.at) in Vienna, Austria.
For further information see the wiki page: 
http://metalab.at/wiki/Pd-Workshop !


So if you are in Vienna or somewhere around in central europe, you are 
invited to join us !
(and please add your name to the wiki, so that I can somehow estimate 
how many people will come ...)


Have fun,
LG
Georg

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Re: [PD] script src='mypatch.pd' type='text/puredata' ?

2010-05-21 Thread Georg Holzmann

Hey Chris !

Very nice - will have a look at it ... ;)

LG
Georg

chrism schrieb:

http://mccormick.cx/dev/webpd/tests.html

For sound you will want these builds of Firefox:
https://wiki.mozilla.org/Audio_Data_API

Source code: http://code.google.com/p/web-pure-data/
Mailing list: http://groups.google.com/group/web-pure-data/

No promises. Patches welcome!

Chris.

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Re: [PD] Building Pd for Android

2010-01-31 Thread Georg Holzmann

Hallo!


That's the wrong URL for SVN, sorry.  I fixed it in the wiki page.  It
should build now then on Tuesday, we are meeting up to get the audio I/O
working.


Thanks - then I will try again on wednesday ;)

LG
Georg

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Re: [PD] Building Pd for Android

2010-01-31 Thread Georg Holzmann

Hallo!


Actually, it would be good to try building it before we meet, in case
you find any problems, then we can fix it.  Currently its in a works
for me state.


OK - but I still cannot checkout from the repository:

:~/projects/android/android-ndk-1.6_r1/apps$ svn co 
https://pure-data.svn.sourceforge.net/svnroot/pure-data/branches/pd-mobile-0.43
svn: Die URL 
»https://pure-data.svn.sourceforge.net/svnroot/pure-data/branches/pd-mobile-0.43« 
existiert nicht

(the URL does not exist)

LG
Georg

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Re: [PD] Building Pd for Android

2010-01-30 Thread Georg Holzmann

Hallo!

Hans-Christoph Steiner schrieb:

Ok, made some progress on building Pd for Android.  It builds fine, but
its not quite working yet.  But give it a shot and join in the fun:

http://puredata.info/docs/developer/BuildingPdForAndroid


Nice !
I also wanted to try it today, but I have the following problem: cannot 
checkout the branch 
https://pure-data.svn.sourceforge.net/svnroot/pure-data/branches/pd-mobile-0.43, 
it doesn't seem to exist ...

Maybe you did not commit it yet ?

Did you also try the C-Java JNI audio interface ?

Thanks for any hints,
LG
Georg

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Re: [PD] Echo cancellation, adaptative filtering

2010-01-06 Thread Georg Holzmann

Hallo!

Does anyone implemented some echo cancellation or adaptative filtering 
with pd ?


We made some adaptive filter: http://grh.mur.at/software/adaptive.html
But I think more people did similar and more advanced things ...

LG
Georg

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[PD] [Fwd: [piksel] pure data group in Berlin]

2009-12-07 Thread Georg Holzmann

The following Berlin pd-meeting was announced on the piksel mailing list.

LG
Georg
---BeginMessage---


Hello!

Next tuesday there will be a first meeting of pure data users in Berlin:

We are meeting at 8pm at NK for the monthy? puredata Meeting on  
tuesday 15 decc, 2009.
Doors are open from 8-8:15.  At other time, probably they are closed  
and you will have to call anybody in Nk.
To get a telephone number to call or confirm assistance you can write  
to i...@minitronics.net


Elsenstr. 52 2HH 2Etage
12059 Berlin

www.nkprojekt.de

[bang(
|
[love]
|
[ser~]

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Re: [PD] smartphone advice

2009-11-04 Thread Georg Holzmann

Hallo!

João Pais schrieb:
how about control? I was hoping of in the future perform in the middle 
of the room with a htc magic (or something) controlling my patch on the 
laptop in the stage. is osc already available in all these platforms?


Yeah, there is such an application (with osc) on the android phone ...

LG
Georg




Everything works but audio input and output, but that's in the works.  
Externals work too, if you use a jailbroken device, you don't need to 
heed Apple's lame restrictions.


.hc

On Nov 3, 2009, at 4:39 AM, Si Mills wrote:


SO this is certainly interesting

When you say Pd builds for Android and iphone, but no audio, what 
does that mean? THe pd gui works?


I have a feeling, in the end, i might play devils advocate and go 
with the android phone.


On 29 Oct 2009, at 18:17, Hans-Christoph Steiner wrote:



THere are a number of developments in this regard:

- Pd (pd-gui-rewrite 0.43 branch) now builds directly for Android 
and Apple iPhoneOS.  Maemo should be pretty easy too.  No audio yet, 
but that's in the works.


- Pd has been available in the Debian-armel branch for a while, that 
means lots of devices if you are willing to install your own OS.  
You can install Debian in parallel with Android.


- you can build PDa to run on a wide range of free distros, like 
Maemo, Familiar, Angstrom, OpenMoko, reware for ipods, Palms, etc.


rjdj runs well on iPhoneOS, so that means Pd can be made to work 
well there.  Android will take a fair amount of work to get up to 
the same level, but in the long run will probably be easier since 
the platform is a lot more open.


.hc

On Oct 29, 2009, at 1:34 PM, marius schebella wrote:


same problem here, not sure what to get.
another device that might be worth checking out is the nokia n900,
which is/was scheduled for release some time this year. it runs maemo
(nokia's linux version) and - at least on former versions of maemo -
it was possible to get pd-anywhere running.
But I have not seen/tested it, so I cannot promise anything.
for now: I am not sure about the palm, the android g1, g2 both do not
run pd (yet...) and I think windows mobile neither, leaves the iphone.
marius.

2009/10/29 Chris McCormick ch...@mccormick.cx:

On Thu, Oct 29, 2009 at 03:33:24PM +, Si Mills wrote:

to Android as a platform, even though there is bog all for it at the
moment, but I feel there is going to be a massive explosion on 
that front

soon,


I also feel that, and I can see some people lighting the TNT.

Chris.

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Re: [PD] Free/open mobile platform for Pd?

2009-10-12 Thread Georg Holzmann

Hallo!

I just got an android phone (linux) and was actually quite impressed.
It is very user-friendly and there are also good development tools (I 
did not program something so far, but I will ...)


However, I don't know how easy it is to port PD to android phones. The 
general platform is in java (because it should run hardware independent 
on many phones) and it's also possible to program in C - but then you 
maybe have to adjust your code manually to different phones ... I don't 
know ...


For development on android see: http://developer.android.com/
BTW, there are also thousands of applications already, see e.g. 
http://www.cyrket.com/, also some nice basic sound apps ...


LG
Georg

Otto Maddox schrieb:

Recently I looked at RjDj and was well impressed. Now I want to get a
mobile device on which to run Pd to do similar things. An iPhone is out
of the question because it's such a closed and locked up platform. I
started looking around at other devices, but that was a bit
overwhelming.

Maybe it's just because I'm new to the world of mobile computing and
have missed something, but I couldn't find a single mobile
hardware/software platform which is properly Free/open from top to
bottom (i.e., friendly to people who don't mind getting their hands
dirty), actively maintained, doesn't require me to screw myself over by
taking on a contract which I can't afford (internet tablet would be
ideal), and runs Pd. Is PDa still being developed?

Am I asking for too much? Or is what I want already out there?





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Re: [PD] Free/open mobile platform for Pd?

2009-10-12 Thread Georg Holzmann

Wow, thanks for these tipps ... didn't know that someone already did it.

I will maybe look into it after becoming a bit more familiar with this 
platform - would be really nice to have pd on it !


LG
Georg

Hans-Christoph Steiner schrieb:


Just getting Pd on the Android phone would be easy, especially if you 
have rooted it.  Basically, Pd-vanilla should build and run fine on 
Android with some minor tweaks for Android-specific macros.  The only 
tricky part is that Pd can't use Android's ALSA, it must use the Java 
audio API via JNI.  So that would take custom code.


Once its built and has the C-Java JNI audio interface, then it 
shouldn't be hard to package it up and distribute it as a regular 
Android app.


http://puredata.info/docs/developer/BuildingPdForAndroid

.hc

On Oct 12, 2009, at 12:08 PM, Georg Holzmann wrote:


Hallo!

I just got an android phone (linux) and was actually quite impressed.
It is very user-friendly and there are also good development tools (I 
did not program something so far, but I will ...)


However, I don't know how easy it is to port PD to android phones. The 
general platform is in java (because it should run hardware 
independent on many phones) and it's also possible to program in C - 
but then you maybe have to adjust your code manually to different 
phones ... I don't know ...


For development on android see: http://developer.android.com/
BTW, there are also thousands of applications already, see e.g. 
http://www.cyrket.com/, also some nice basic sound apps ...


LG
Georg

Otto Maddox schrieb:

Recently I looked at RjDj and was well impressed. Now I want to get a
mobile device on which to run Pd to do similar things. An iPhone is out
of the question because it's such a closed and locked up platform. I
started looking around at other devices, but that was a bit
overwhelming.
Maybe it's just because I'm new to the world of mobile computing and
have missed something, but I couldn't find a single mobile
hardware/software platform which is properly Free/open from top to
bottom (i.e., friendly to people who don't mind getting their hands
dirty), actively maintained, doesn't require me to screw myself over by
taking on a contract which I can't afford (internet tablet would be
ideal), and runs Pd. Is PDa still being developed?
Am I asking for too much? Or is what I want already out there?



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Re: [PD] Pdpedia and random generation

2009-03-31 Thread Georg Holzmann

Hallo!


I don't know what you mean by clean it up by hand but if you just
mean users deleting spam edits then this is not sustainable. The spam
edits are automated and so they will win any editwar. To combat spam,


+1


we need something systematic: block the spam IPs, use MediaWiki Spam
Blacklist, or require users to create an account before they can edit.


Yes, or use at least captchas (if we don't want to force people to make 
an account) ...


LG
Georg

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Re: [PD] Writing you own externals in PD How to?

2009-03-17 Thread Georg Holzmann

Hallo!

experience, aims  what I would like is the easiest route to begin 
with :)*


First rule is always: use C/C++ only if it is _really_ necessary.
(you can design most of your filters also with pd's elementary filter 
objects ...)


If you really want DSP externals: http://pdstatic.iem.at/externals-HOWTO/

LG
Georg




I.e. seem to have all these programs Octave (matlab), Faust, Xcode 
,Flext, Terminal etc.


which would be the best path to follow to learn to create my own externals.

Tuition
If there is anyone in the Cambridge England area who does one to one 
tuition and could teach me how to create my own externals please let me 
know.


Guidance appreciated
Geoff
 






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Re: [PD] Pd book sprint in NYC/Berlin

2009-03-16 Thread Georg Holzmann

Derek Holzer schrieb:
My tendency is to keep everything as simple and low-tech as possible. 
Does video conferencing add anything substantial that IRC doesn't have 
already? Do we want to do interpretive dance for each other in order to 
write a FLOSS manual? Do we really need to look at another room full of 
people sitting behind laptops across the ocean somewhere? Does anybody 
ever actually watch these video streams from meetings like these? I 
could see some sense if there was some sort of presentation aspect, but 
these will be working sessions, i.e. very boring to look at .


You are right.
And if one really wants to speak/see each other, one can use ekiga, 
skype or whatever ...


LG
Georg

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Re: [PD] Pd book sprint in NYC/Berlin

2009-03-16 Thread Georg Holzmann

Hallo!


I will be in Berlin from mar27 to mar30, and I would also like to
contribute to the book sprint, but it is difficult for me during
week/business hours.


Yes, this weekend would be also nice for me ;) !

LG
Georg


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Re: [PD] GSoC web project idea

2009-03-08 Thread Georg Holzmann
Hallo!

It sounds nice, but do they support such projects ?
IMHO building websites and similar things are more documentation, which 
is not allowed.

Maybe you should ask them ...

LG
Georg

Hans-Christoph Steiner schrieb:
 I've had an idea for a long time for a web interface to the patches  
 that people post to the pd-list.  Basically, lots of really great code  
 is posted to the Pd list, but it is not very easy to find it there.   
 What if there was a searchable database of all patches posted to the  
 pd list.  You could search by object name to see all patches that use  
 a certain object, then download it.
 
 I think that someone who was a decent web programmer could do this.   
 Perhaps using something like Lucene, or really whatever.  Is it worth  
 a summer of code project?
 
 .hc
 
 
 
 
 News is what people want to keep hidden and everything else is  
 publicity.  - Bill Moyers
 
 
 
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Re: [PD] Call for GSoC mentors! March 9th deadline!

2009-03-07 Thread Georg Holzmann
Hallo!

 i added my name to two existing projects matching my competences. Just 
 in case Georg is too busy with all the other ones he is part of.

Yes of course, feel free to add you to the projects !

I think we should have at least two mentors for each project, at least 
for the application now.

LG
Georg

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Re: [PD] Call for GSoC mentors! March 9th deadline!

2009-03-06 Thread Georg Holzmann
Hallo Derek !

Nice projects - I also think that we need more patcher-only projects !

LG
Georg

Derek Holzer schrieb:
 Since I'm completely uninterested in touching anything C, C++, TclTk or 
 otherwise related, I submitted two Pd patching projects which should be 
 general enough to attract students, yet quite intensive to work on. 
 Feedback welcome.
 
 http://puredata.info/dev/summer-of-code/Undead
 http://puredata.info/dev/summer-of-code/GEMVeeJay
 
 Anyone want to take up 2007's PluggoPd idea?
 
 best,
 D.
 


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Re: [PD] Call for GSoC mentors! March 9th deadline!

2009-03-06 Thread Georg Holzmann
Hallo Markus !

 The same with me.
 
 interested in coding but just very rare skills.but patching.
 
 maybe the graphical userinterface which i started for gem could be
 interesting.As i am in the job now, i cannot send screenshots nor patches.
 
 if there is interest I put some things together tjis weekend.

Yes of course - just put it on the wiki !

LG
Georg

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Re: [PD] GSoC projects: take a look and improve

2009-03-05 Thread Georg Holzmann
Hallo!

Yes, please add/correct things to the projects, create new content etc.
We will clean it up then at the last day !

To the categories: are the understandable ?
Because I am not really happy with them ...

Maybe we should order them like this:
- pd patches
- pd externals (C or Tcl knowledge required)
- projects which touch the pd internals

LG
Georg


Hans-Christoph Steiner schrieb:
 Hey all,
 
 Georg has been rocking out and put up a bunch of project pages on the  
 Google Summer of Code app, Bryan and I have put up a couple as well.   
 Take a look and improve wherever you think it needs it.  It's a wiki  
 so anyone can edit.
 
 Here is the list of the current projects for this year's application.   
 Also, if you are a mentor, please take a look at the projects and add  
 your name if there is any possibility that you might want to mentor  
 that project (no commitments yet, that comes later).
 
 http://puredata.info/dev/summer-of-code/GoogleSummerOfCodeIdeas2009
 
 And here are all of the pages, in case you want to revive some pages  
 from previous years:
 
 http://puredata.info/dev/summer-of-code
 
 .hc
 
 
 
 
 Free software means you control what your computer does. Non-free  
 software means someone else controls that, and to some extent controls  
 you. - Richard M. Stallman
 
 
 
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Re: [PD] Call for GSoC mentors! March 9th deadline!

2009-03-03 Thread Georg Holzmann
Hallo!

I started to put ideas together at the following WIKI page:
http://puredata.info/dev/summer-of-code/GoogleSummerOfCodeIdeas2009
If you are interested joining one project as a mentor, please just add 
your name in the list of possible mentors ...

Please also add your projects using the following template:
http://puredata.info/dev/summer-of-code/ProjectTemplate
(and look at the description of my already added projects)
It should be as clear as possible for students how to start, where are 
the resources and etc.

There are also still a lot of old projects from last year here:
http://puredata.info/dev/summer-of-code/GoogleSummerOfCodeIdeas
which should be copied (and polished) to the new WIKI page - so some 
help is really needed !

Thanks for any contribution,
LG
Georg


Hans-Christoph Steiner schrieb:
 Hey all,
 
 The Google Summer of Code ((http://code.google.com/soc/) application  
 is due very soon, March 9th, and we need mentors!  At this point, you  
 just need to put down your name.  Then once the projects are in, we'll  
 choose projects and who will mentor them.  You will then work with a  
 student, either locally or remotely.
 
 Every pd developer who wants to support the project but is not student  
 anymore is invited to join as mentor, since the number of sponsored  
 projects by google depends on the number of mentors and students.  If  
 you are a student, then you should apply as a student to get funded.   
 Mentors get $500 and students get $4500 for working on something Pd  
 related.
 
 .hc
 
 
 
 
 
 
 
 It is convenient to imagine a power beyond us because that means we  
 don't have to examine our own lives., from The Idols of  
 Environmentalism, by Curtis White
 
 
 
 
 
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Re: [PD] Call for GSoC mentors! March 9th deadline!

2009-03-03 Thread Georg Holzmann
Hallo again !

I added now quite some projects from last year to the WIKI page:
http://puredata.info/dev/summer-of-code/GoogleSummerOfCodeIdeas2009
Please look through them and correct my bad english and/or add 
additional resources and ideas !

@Hans: I added you to some projects as mentor, I hope you don't mind ;)

@IOhannes: same for you ;) - but you can of course join more projects 
(now I added you only to the gem multiwindow project, because here you 
are the only possible author)

To all other mentors: please add you to the wiki and also add projects !

Thanks,
LG
Georg

Georg Holzmann schrieb:
 Hallo!
 
 I started to put ideas together at the following WIKI page:
 http://puredata.info/dev/summer-of-code/GoogleSummerOfCodeIdeas2009
 If you are interested joining one project as a mentor, please just add 
 your name in the list of possible mentors ...
 
 Please also add your projects using the following template:
 http://puredata.info/dev/summer-of-code/ProjectTemplate
 (and look at the description of my already added projects)
 It should be as clear as possible for students how to start, where are 
 the resources and etc.
 
 There are also still a lot of old projects from last year here:
 http://puredata.info/dev/summer-of-code/GoogleSummerOfCodeIdeas
 which should be copied (and polished) to the new WIKI page - so some 
 help is really needed !
 
 Thanks for any contribution,
 LG
 Georg
 
 
 Hans-Christoph Steiner schrieb:
 Hey all,

 The Google Summer of Code ((http://code.google.com/soc/) application  
 is due very soon, March 9th, and we need mentors!  At this point, you  
 just need to put down your name.  Then once the projects are in, we'll  
 choose projects and who will mentor them.  You will then work with a  
 student, either locally or remotely.

 Every pd developer who wants to support the project but is not student  
 anymore is invited to join as mentor, since the number of sponsored  
 projects by google depends on the number of mentors and students.  If  
 you are a student, then you should apply as a student to get funded.   
 Mentors get $500 and students get $4500 for working on something Pd  
 related.

 .hc





 

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 don't have to examine our own lives., from The Idols of  
 Environmentalism, by Curtis White





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Re: [PD] Google Summer of Code 2009!

2009-03-01 Thread Georg Holzmann
OK, I started the WIKI page here:
http://puredata.info/dev/summer-of-code/GoogleSummerOfCodeIdeas2009

I will add some projects in the evening, which can be used as templates 
for other mentors ...

LG
Georg

Hans-Christoph Steiner schrieb:
 
 I think your idea sounds good, I think you should just start the page, 
 and then we can fill it in as each of us finds the time.
 
 .hc
 
 On Feb 28, 2009, at 8:41 AM, Georg Holzmann wrote:
 
 Hallo Hans !

 Do you have or other have any comments on my last mail ?
 I don't want to start a new wiki page if there is no agreement about 
 the procedure ...

 LG
 Georg

 Hans-Christoph Steiner schrieb:
 On Feb 25, 2009, at 3:52 PM, Enrique Erne wrote:
 wow these project are really nice.

 i hope deeply PdLib would make it with or without soc. imo that is 
 s missing in pd-extended. i'd love to help but i don't even know 
 how to help to get the help-files in running in pd-ext.
 http://puredata.info/dev/summer-of-code/PdLib/

 LibPd would be also a huge addition.
 http://puredata.info/dev/summer-of-code/LibPd/

 only negative point i have is the name: PdLib and LibPd is kind of 
 confusing.

 but as already stated, all projects are great and would be wonderful.
 If you want to starting on standard libs for Pd, I say just do it.  
 Pick a topic and start making a library.  For example, I really 
 should finish 'tkwidgets', which is a library that aims to directly 
 expose the standard Tk widgets for use in Pd.  I did manage to finish 
 'apple' which is a library of Apple-specific functions like 
 accelerometer, light level sensors, brightness controls, etc.  The 
 Thinkpad has lots of example code for all this stuff to, so it would 
 be great to have a 'thinkpad' library.
 .hc
 
  
 kill your television
 
 
 
  
 
 
 Looking at things from a more basic level, you can come up with a more 
 direct solution... It may sound small in theory, but it in practice, it 
 can change entire economies. - Amy Smith
 
 


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Re: [PD] Google Summer of Code 2009!

2009-02-28 Thread Georg Holzmann
Hallo Hans !

Do you have or other have any comments on my last mail ?
I don't want to start a new wiki page if there is no agreement about the 
procedure ...

LG
Georg

Hans-Christoph Steiner schrieb:
 
 On Feb 25, 2009, at 3:52 PM, Enrique Erne wrote:
 
 wow these project are really nice.

 i hope deeply PdLib would make it with or without soc. imo that is 
 s missing in pd-extended. i'd love to help but i don't even know 
 how to help to get the help-files in running in pd-ext.
 http://puredata.info/dev/summer-of-code/PdLib/

 LibPd would be also a huge addition.
 http://puredata.info/dev/summer-of-code/LibPd/

 only negative point i have is the name: PdLib and LibPd is kind of 
 confusing.

 but as already stated, all projects are great and would be wonderful.
 
 
 If you want to starting on standard libs for Pd, I say just do it.  Pick 
 a topic and start making a library.  For example, I really should finish 
 'tkwidgets', which is a library that aims to directly expose the 
 standard Tk widgets for use in Pd.  I did manage to finish 'apple' which 
 is a library of Apple-specific functions like accelerometer, light level 
 sensors, brightness controls, etc.  The Thinkpad has lots of example 
 code for all this stuff to, so it would be great to have a 'thinkpad' 
 library.
 
 .hc
 
 
  
 
 
 kill your television
 
 


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Re: [PD] Google Summer of Code 2009!

2009-02-25 Thread Georg Holzmann
Hallo Hans, list !

 Google is doing summer of code again, this time we have the knowledge  
 and an app so that we can get chosen again.  Here's the site:
 
 http://code.google.com/soc/
 
 Here's our app from last year:
 
 http://puredata.info/dev/summer-of-code/

Nice - I quickly looked through the old applications, which were really 
many ...

I think we shouldn't make that many applications this year (as google 
suggested to us) and try to describe the few ones much better.


 The first question to answer is: are all of the mentors from last year  
 still up for being a mentor this year?  The mentor gets $500 per  
 student, perhaps being a mentor would be more enticing if the mentor  
 got to keep the $500.  Here's the list from last year:

I would be up for a mentor this year, as I am now working somehow ;)

What do you mean, how should we proceed ?
Maybe we should make a new WIKI page and each mentor describes the 
projects he likes on the new page (and copies parts from last years 
projects) !

Then we could decide a few days before the deadline, which descriptions 
are complete enough for the proposal.

LG
Georg




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Re: [PD] pd-extended on Ubuntu 8.1 Intrepid

2009-02-18 Thread Georg Holzmann
Hallo Fränk!

 uhh.- sorry.
 Well I can´t find pd-entended with the synaptics search function.-
 best, fraenk

Yes, I also installed pd extended via ubuntu package management two days 
ago and it worked fine.

Maybe you forgot to make an update ;) ?
Try:
apt-get update
apt-get install pd-extended

LG
Georg

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Re: [PD] sndfiler - or other ogg audio wavetable object in pd-extended

2009-02-13 Thread Georg Holzmann
Hallo!

 make -f Makefile.pd_main pd_linux
 
 with the pd sources of sourceforge svn ...
 
 I also compiled the threadlib from sourceforge svn (/externals/grh/.) 
 and seems ok ...

Fine !

 But I got an error at puredata (version 041.4 extended 2009 01 21)
 
 /usr/lib/pd/extra/sndfiler.pd_linux: 
 /usr/lib/pd/extra/sndfiler.pd_linux: undefined symbol: fifo_init
  sndfiler
 ... couldn't create

Hm - did you also load the threadlib external ? (because this is needed)
So you have to _first_ load the threadlib, and the the sndfiler !

BTW: if you don't need the threaded soundfiler it is maybe better to 
just convert the ogg files to wav and then read it with the normal 
soundfiler object !

LG
Georg

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Re: [PD] sndfiler - or other ogg audio wavetable object in pd-extended

2009-02-13 Thread Georg Holzmann
Hallo!

 I tried with
 
 pd -lib threadlib
 
 then
 
 threadlib vers.0.1, library for threaded patching and externals
 2005, by Georg Holzmann g...@mur.at mailto:g...@mur.at
 heavily based on pd_devel code by Tim Blechmann
 WARNING: this is very experimental and may crash your patches !
 
 
 ok.
 
 
 but sndfiler still not working (same error
 /usr/lib/pd/extra/sndfiler.pd_
 linux: /usr/lib/pd/extra/sndfiler.pd_linux: undefined symbol: fifo_init
  sndfiler
 ... couldn't create
 )

OK - so then there must be a problem during linking I guess ... I have 
to look into it.


 I like to use your external because ogg files save lots of disk space, 
 and it's easier to distribute patches with the samples attached...

Yes I understand - but OTOH it is much harder do distribute a patch 
which uses sndfiler, because everyone has to compile it ;)
(which can be quite tricky - especially for non-pd experts)


 Why can't pd-extended compile sndfiler ?

I think I tried to add sndfiler to the pd-extended build system (which 
should be quite straight forward) a year ago - but did not finish 
because it has a dependecy to libsndfile - then pd-extended would need 
to distribute this library as well ...

But I agree that this is the way to go, then it should just work.

LG
Georg

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Re: [PD] Berlin Pure Data Meetings

2008-12-17 Thread Georg Holzmann
Hallo!

First thanks for the answers !

 after seeing much more Berliners at the RjDj sprint this weekend and
 at least 3 people including myself being interested in reanimating
 the Stammtisch I think we can have an other try...
 
 Perhaps we could also find some more unknown pd-users at C-Base?

Yes, just let's do it - I would suggest a meeting in january.

And I could ask at c-base, if we could have their rooms. They
organize many open-source related regular meetings there, so I think
they would also support a pd-berlin meeting.

LG
Georg

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Re: [PD] rzero or rpole first?

2008-11-17 Thread Georg Holzmann
Hallo Frank!

In general this should not matter (although there can be numerical 
unstabilities with some structures - but I thing that's no problem in 
your case).

See for example series and parallel transfer functions in 
INTRODUCTION TO DIGITAL FILTERS (which is BTW a very nice book):
http://www.dsprelated.com/dspbooks/filters/Series_Parallel_Transfer_Functions.html

LG
Georg

Frank Barknecht schrieb:
 Hallo,
 
 hm, I'm a bit confused how to place elementary filters: In the book,
 Miller writes that the r/czero should be placed before the poles and
 the screenshots also show this:
 http://crca.ucsd.edu/~msp/techniques/latest/book-html/node160.html
 
 However the example patches (H11 ff.) and the butterworth abstractions
 that come with Pd have it the other way around and follow the
 alphabetic order with *z*ero last!
 
 Ciao


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[PD] Berlin Pure Data Meetings

2008-10-13 Thread Georg Holzmann
Hallo Berliner!

Since now many of the pd-graz people are living in Berlin (or at least 
Michi Pinter and me for now ;), it would be nice to meet some Berlin pd 
people (or similar).

I heard that there was a pd stammtisch here, but I guess it is not 
active anymore ?
So if anyone is interested - let me know !
(We also plan to make a workshop at some other time - if someone wants 
to contribute or attend she/he is of course very welcome!)

OK, I am happy for any reply,
LG
Georg

PS:
As I am new here - has maybe someone tips which things are good to go to 
here in Berlin ?
Maybe some locations/mailinglists/websites with nice events or 
communities ? - Thanks for any hints !

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Re: [PD] [PD-announce] Pd-0.40.3-extended-rc1 released

2008-06-19 Thread Georg Holzmann
Hallo!

 But as I understood e.g. this [1] separating packages of Pd and
 externals/abstractions is something, Hans did rather not want to deal
 with (at least at that time), so someone else needs to do it.
 
 [1] http://lists.puredata.info/pipermail/pd-dev/2008-04/011410.html

Yes, as I said (or at least that was what I wanted to say).

I think the problem with the pd community is that everyone just says how 
he/she would like to have the distribution and is always complaining - 
but actually only Hans is doing the main work (with some very small 
contribution as also by myself).

I personally think that the pd-extended project is one of the most 
important things in the pd-community, if not the most important and I 
cannot understand why people are not able to work with each other and 
not always against each other. Especially developers are only 
complaining ...

It is not enough to always say I want the build system like this or I 
don't like the current philosophy - we heard this now many many times 
on the list and of course some of the criticism is also valid - there 
really need to be also contributions from other people to get this 
project working ...

LG
Georg

PS: I was really fascinated how cooperation can work in other open 
source communities, but here (in PD world) I simply don't see this and I 
don't understand why.

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Re: [PD] extended on asus eeePC?

2008-06-11 Thread Georg Holzmann
Hallo!

 just got a shiny new asus eeePC
 i am fairly new to linux, and looking for the easiest most friendly way 
 to install
  pd-entended (i dont need it to be the latest version, althou that'd be 
 great).
 tips for a linux newbie?

It is just the same as on every other computer.
I use (k)ubuntu on the eee, so all dependencies are easy to install ...

However, I don't know if it is that easy on the default Xandros OS, you 
might not have all latest libraries, but you could try it !

LG
Georg

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Re: [PD] install pd-ext from .deb?

2008-05-18 Thread Georg Holzmann
Hallo!

 your package-manager should handle the dependencies/conflicts correctly,  
 that is: ask you if you want to uninstall the puredata package when  
 you try to install the pd-extended package.
 as H-C said, it doesn't seem to happen. I only get the error message, and  
 no other options available.
 
 then it might be a bug in the package-manager, but not in the package.

The standard package manager (apt-get) on debian and ubuntu does not ask 
you if you want to uninstall the package - you have to uninstall it 
manually.
Only aptitude is asking these questions ...

LG
Georg

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Re: [PD] Gem DV Output via Firewire

2008-05-16 Thread Georg Holzmann
Hallo!

 I was just looking at the list archives and noticed a
 thread on this that seemed to end around 2005. I am
 just wondering if there was any progress on DV Out
 (pix_dvout?) from gem...

Unfortunately no ... (or at least I don't know it)

LG
Georg

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Re: [PD] pd and matlab

2008-05-07 Thread Georg Holzmann
Hallo!

 i find it quite odd .. the idea of using matlab which is t00 sl0w!

Well, if you need calculations with bigger matrices then matlab (or 
octave, numpy/scipy, ...) will be much faster !

LG
Georg

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Re: [PD] ANN - Gesture Recognition Capabilities

2008-05-04 Thread Georg Holzmann
Hallo!

 in the description of the algorithm they talk about some pending 
 patents... I guess they use more than simple ann comparison to get this 
 working in realtime on a game console.

Yes, I also would not use a feedforward neural network (as implemented 
in ann) for this. You have to use a model which also incorporates time.

For example a hidden markov model or echo state network (= special kind 
of recurrent neural network) should work.

(The second is currently the topic of my thesis - so maybe I will make 
some similar examples in summer, when I have some time again ... ;)


LG
Georg

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Re: [PD] ANN - Gesture Recognition Capabilities

2008-05-04 Thread Georg Holzmann
Hallo!

 Hm. You can incorporate changes over time using a standard feedforward
 ANN by wrapping your time-ordered vectors over a given time period into
 a single input vector and increasing the number of inputs to the network
 accordingly. But of course this introduces latency and other problems
 (e.g. it could massively increase the number of training examples
 required).
 
 Pd has the ann_td external, which provides a 'time delay' neural network
 which I believe incorporates time using a method similar to that
 described above.

Yes of course, one other possibility is to use time delayed neural 
networks ...

 For example a hidden markov model or echo state network (= special kind 
 of recurrent neural network) should work.
 
 I'm intrigued! Presumably these approaches avoid the latency problem by
 maintaining the network's state? Are there other advantages -- easier to
 train?

Hm ... I did not think about latency ... but if you do not process the 
data in blocks there should not be a significant latency (also for the 
time delay NN) ?

However, the advantage of the echo state network is that training is 
linear and you cannot get in a suboptimal solution as with feedforward 
neural networks (where the error surface has multiple local minimas) - 
see for example http://www.scholarpedia.org/article/Echo_state_network 
for a short introduction.
And it is recurrent - so in general more powerful ... from the link above:
On a number of benchmark tasks, ESNs have starkly outperformed all 
other methods of nonlinear dynamical modelling

If you are interested, I implemented ESNs (with various extensions) in a 
C++ library with python bindings: http://aureservoir.sourceforge.net/, a 
PD external will hopefully follow in summer ...

LG
Georg


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Re: [PD] installatation path of help-files

2008-04-16 Thread Georg Holzmann
Hallo!

 you'll be able to load the library with [import], and use namespace
 prefixes.
 
 that's not how i imagine it :-)
 Pd can do most of this already without the need for [import].

? - What do you mean ? declare ?

LG
Georg

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Re: [PD] PD extended for Ubuntu gutsy : dependencies?

2008-04-09 Thread Georg Holzmann
Hallo!

 It was a quick hack we did at LAC, but it turns out that there is a 
 Debian tool for this, that's probably the better choice.  I think the 
 tool is dpkg-shlibsdeps, but I am just guessing.

No I changed it already to use dpkg-shlibsdeps (but thanks for the link) 
- so I don't really know what the problem is ...

I search for all .pd_linux files and pd itself in the destination dir 
(trunk/packages/linux_make/Makefile):

PACKAGE_BINARIES := $(shell find $(DESTDIR) \( -name *.pd_linux -o 
-name pd \) )

and then calculate the dependencies:

PACKAGE_DEPENDS := $(shell dpkg-shlibdeps -O $(PACKAGE_BINARIES) | cut 
-b0-15 --complement )


Do you have any ideas why Gem is not included here ? Is it maybe 
installed not in $(DESTDIR) on the autobuild farm ?

LG
Georg

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Re: [PD] PD extended for Ubuntu gutsy : dependencies?

2008-04-07 Thread Georg Holzmann
Hallo!

 I just proceeded to the install of Pd version 0.3-extended-20080402 on
 a friend's brand new ubuntu gutsy i386 install

Thanks for your report - did you install an autobuild version ?
Because I just changed the debian packages in the latest autobuild 
version which tries to detect the dependencies automatically ... so any 
testing is very welcome ;) !

LG
Georg

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Re: [PD] PD and new ASUS and Everex mini laptops: experiences?

2008-04-02 Thread Georg Holzmann
Hallo!

 Official repository don't provide puredata. Old version (0.39) could
 be found in Etch repository.

Yes an old version is also in the Xandros repositories ...
However, I also compiled pd from source now.

And it really runs quite nice - one of my performance patches with 
arduino interface uses about 20% (some synths, samples and effects) and 
also without dropouts when switching windows etc.
However, I didn't test the latency so far ...

So it's really nice for simple audio things, especially if you have some 
other interfaces and don't want to show your big computer ... ;)

LG
Georg

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Re: [PD] PD and new ASUS and Everex mini laptops: experiences?

2008-03-31 Thread Georg Holzmann
Hallo!

I will also get one next week (they are sold out here ATM) and will 
definitely make some pd experiments on it ... ;)

[EMAIL PROTECTED] schrieb:
 Hi, nice to hear that PD runs on Eeepc! 
 Did you use apt-get to install it? 

Yes you can use the debian repositories ... lots of information is here: 
http://wiki.eeeuser.com/

LG
Georg

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Re: [PD] GSoC Organization App 2008 wiki page

2008-03-18 Thread Georg Holzmann
Hans-Christoph Steiner schrieb:
 I think they want to see more polish on the app.  I had a brief  
 conversation with the administrator of GSoC, Leslie Hawthorn:

Hm, I don't know ...
We had really many ideas on the page and described in many details (at 
least the most of them) - much more than last year.
Also the other organizations I was looking through did have much less 
ideas without a detailed description ...

However, of course it can be better for the next time ;)

LG
Georg

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Re: [PD] GSoC Organization App 2008 wiki page

2008-03-17 Thread Georg Holzmann
Hallo!

marius schebella schrieb:
 that's really bad to hear, especially since iem was already getting 
 money last year. do you think there was a problem with last years projects?

Maybe there were too few student-applications last year ...

 or maybe supporting pd is useless for google. don't you think they 
 sponsor projects that google can benefit from? maybe next year...

Hm, I don't think so - CLAM and similar other projects are also in.

LG
Georg

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Re: [PD] vowel recognition

2008-03-11 Thread Georg Holzmann
Hallo!

 I wonder if anyone did vowel recognition with Pd.

AFAIK no.

I added speech recognition for the GSoC projects some day ago: 
http://puredata.info/dev/summer-of-code/SpeechRecognitionForPD

So you could try to use SPHINX or HTK. E.g. look at this tutorial: 
http://www.speech.cs.cmu.edu/sphinx/tutorial.html.

LG
Georg

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Re: [PD] Google SoC: call for mentors and project ideas

2008-03-07 Thread Georg Holzmann
Hallo!

Hans-Christoph Steiner schrieb:
 Shall we apply as Pure Data this time?  I am ok to apply as IEM  

Yes, I think we should do it as Pure Data, as discussed in Cologne ...

 again, but it just seems that most projects apply as the project  
 rather than as another institution.  Does anyone want to be the GSoC  
 admin on this?

Could you do this ? It needs to be done before March 12.

Therefore you will need a list of the mentors I think. So far are 
IOhannes, Andy Farnell, Chris McCormick and you - anyone else ?

I added some more project ideas to 
http://puredata.info/dev/summer-of-code/GoogleSummerOfCodeIdeas/ and 
also some old ones.

LG
Georg

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Re: [PD] Google SoC: call for mentors and project ideas

2008-03-07 Thread Georg Holzmann
Hallo!

 In light of the recent discussion about Blender + Pd is there
 maybe some possibility of a combined cross application proposal?

As far as I remember it does not need to be restricted to pd.
The Pd-mentors will decide which projects are accepted (not google), so 
if they think that blender+pd would be a nice project this is of course 
possible ...

LG
Georg

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Re: [PD] vbap define_loudspeakers messages

2008-03-07 Thread Georg Holzmann
Hallo!


 There are also ambisonic externals from IEM and Jasch, for better 
 spatialization.

I would not say better ;) - it depends ...

 Maybe a Spatialisation with Pure-Data page would be nice - is there 
 something like that out there already? a  web page, academic papers, 
 performance documentation, patches??

Last year I did a workshop on this, you can find the files here:
http://grh.mur.at/misc/PdSpatialization.tar.gz

LG
Georg

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Re: [PD] Google SoC: call for mentors and project ideas

2008-03-04 Thread Georg Holzmann
Hallo!

 I'd like to apply for some Mentos.  I like mixed fruit or grape.
 As for Pd, I can't think of something major enough to call for Google
 SoC, but I'll keep thinking.

I think the projects should not be too big. This is maybe something we 
can learn from last year. It would be nice to have compact projects 
which would be e.g. also manageable by people new to the pd community ...

[...]
 Dunno if that's worth a Summer of Code commission though.  If it is, I
 hope at least one of the mentors will fill out the application as The
 Freshmaker.

Do you want to apply as student or as mentor ?
I don't know if a Freshmaker is suggestive, maybe try to formulate it 
in a more compact way with some definitive points which should be done.

Thanks,
LG
Georg

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Re: [PD] pd-ext paths, libs and help

2008-03-04 Thread Georg Holzmann
Hallo!

 let's say I want to use OSCroute...
 I put an object [import oscx].
 but OSCroute ... couldn't create
 only oscx/OSCroute works, and then I can also use OSCroute.
 I can import OSCroute, but only after I imported oscx.

Okay, which pd-extended version do you use ?
I use the autobuild Pd version 0.40.3-extended-20080224 and I can do a
[import oscx] and [OSCroute].

(of course you have to load the library libdir first, because thats 
the library loader - so yes, libdir should be loaded automatically)

Alternatively I can do [declare -lib oscx] and then [OSCroute] which 
should work with any pd version which supports [declare].

 almost all the help patches that rely on one of these libraries are broken.

I changed the makefile at some time that all the helpfiles are also 
installed into the extra/library path. So everything worked basically.
But I think these changes are not yet in the official released 
pd-extended ...

LG
Georg

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[PD] Google SoC: call for mentors and project ideas

2008-03-03 Thread Georg Holzmann
Hallo!

We discussed at the LAC that we would like to apply again this year for 
google's summer of code project, which is about to start today 
(http://code.google.com/soc/2008/).

I started a wiki at:
http://puredata.info/dev/summer-of-code/GoogleSummerOfCodeIdeas/
where everyone can put in ideas and wishes.
Of course you can also write your ideas to the mailinglist for 
discussion and I will add them afterwards to the wiki.

Every pd developer who wants to support the project but is no student 
anymore is invited to join as mentor, since the number of sponsored 
projects by google depends on the number of mentors and students.

So please put in your ideas and apply as mentor and student !

One more question:
Who of the mentors would like to make the main communication with google 
? Because someone has to fill out the application (the material from 
last year is also at 
http://puredata.info/dev/summer-of-code/GoogleSummerOfCodeIdeas/ and 
http://puredata.info/dev/summer-of-code/SummerOfCode ).
I would suggest Hans or IOhannes or anyone else who wants to spend some 
time with it ;)

LG
Georg

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Re: [PD] vbap on Pd-extended (osx)

2008-02-27 Thread Georg Holzmann
Hallo!

 i imported both libraries (see log below) but still no luck
 define speakers and mtx_*~ are still m.i.a.
 ideas?

because you probably imported the libs after the other objects.
Try to load the libraries at pd startup (e.g. in your pd settings or 
with a startup flag).

LG
Georg

 
  define_loudspeakers 3 -45 0 45 0 0 45 180 45
 ... couldn't create
  define_loudspeakers 2 -45 45 135 -135
 ... couldn't create
  mtx 8 3
 ... couldn't create
  mtx_*~ 8 3 20
 ... couldn't create
  rvbap 0 0
 ... couldn't create
  rvbap 0 0
 ... couldn't create
  rvbap 0 0
 ... couldn't create
 libdir_loader: added iemmatrix to the canvas-local path
 [import] loaded library: iemmatrix
 vbap: already loaded
 [import] loaded library: vbap
 
 
 
 
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Re: [PD] Summer of Code 2008

2008-02-26 Thread Georg Holzmann
Hallo!

 No matter who is the host org for this, we should definitely do it  
 again.  The funding is based on how many people apply as students and  
 as mentors, so we should all work together to get as many  
 applications in as possible.

Yes we should have more mentors. Last year were only two if I remember 
correctly, so we also got only 2 students ...

 Perhaps it would make more sense to apply as Pd.  Ultimately, all  
 that matters is that we get funding for people to do work, so however  
 it happens is fine by me.

I also think applying as Pure Data would be much nicer ... let's discuss 
this at the LAC ...

Everyone who wants to be a mentor should say it. Maybe all the 
developers who are no students anymore ;) :
Frank?, Ben?, Claude?, Chris?, Miller? (names just from the last mails 
in the list)

LG
Georg

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Re: [PD] pd-extended autobuilds on pd gutsy (WAS: Re: pd-extended install gutsy ubuntu libquicktime0 libflac7)

2008-02-24 Thread Georg Holzmann
Hans-Christoph Steiner schrieb:
 
 The files are in packages/linux_make.  The problem is that there is just 
 one package description file which needs to build the .debs for all of 
 the different Debian-based distributions.
 
 In order to support multiple distros, we'll need a way to manage 
 multiple 'debian/control' files, one for each distro with conflicting 
 deps.  One way would be to have 'packages/debian' and 'packages/ubuntu', 
 but I am open to suggestions.

Okay, maybe we should speak about this at the LAC.

LG
Georg

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Re: [PD] load abbreviated objects

2008-02-24 Thread Georg Holzmann
Hallo!

First: do you use the autobuilds or the stable pd-extended ?

 what is the problem that (in pd-extended) abbreviated object classes 
 like mtx_+ cannot be instantiated, I have to create mtx_add before.

Because the hexloader was broken - I don't know if this is already fixed 
in the autobuilds ...

 I think this is a known problem, but is there a solution to fix this?
 also, some of the objects can't be created, but I am not sure why for 
 example mtx_add is one of these. is there a nameclash so that iemmatrix 
 is not loaded by default?

I once included all the iemmatrix objects and also it's aliases. They 
should be in the nightly autobuild version, although I don't know if the 
hexloader works (at least it should work with mtx_add, mtx_div, ...).
However, I don't think that they should be loaded by default, but that's 
an other discussion ... ;)

LG
Georg

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[PD] pd-extended autobuilds on pd gutsy (WAS: Re: pd-extended install gutsy ubuntu libquicktime0 libflac7)

2008-02-22 Thread Georg Holzmann
Hallo Hans + others!

I still have to same error with the ubuntu gutsy autobuild (see below) 
which is quite annoying when installing it on other systems ...

So I wanted to ask: where in the SVN repository are the files that build 
these gutsy packages ?
Then I can fix the dependencies ...

LG
Georg

Greg schrieb:
 Hey I think this was noted as a problem; namely the deb wants libs
 flac7 and quicktime0.  Gutsy doesn't have them (it has lqt1 and lf8)
 and it annoys aptitude to use dpkg -i --ignore-dependency=$NOGOOD
 
 to fix apt from complaining I went into /var/lib/dkpg/status  and
 found the pd-extended entry and changed the relevant depends:  to
 the gutsy versions.  More info here:
 
 http://ubuntuforums.org/archive/index.php/t-187293.html
 
 hope this helps, sorry if it's a repost
 
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Re: [PD] soundfiler alternative - realtime? (loading in background)

2008-02-12 Thread Georg Holzmann
Ingo Scherzinger schrieb:
 Hi,
 
 does anybody know if there is an alternative method to soundfiler in 
 order to load wave files into tables.
 Soundfiler is not realtime capable and I urgently need to load files in 
 the background while playing audio and midi without interruption.
 
 Maybe an external?

sndfiler: http://grh.mur.at/software/sndfiler.html

LG
Georg

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Re: [PD] soundfiler alternative - realtime? (loading in background)

2008-02-12 Thread Georg Holzmann
Hallo!

 is that correct, that it only happens if some table needs to be resized?

No it happens also if you only load a soundfile ...

 can drop-outs completely be avoided by using [sndfiler] without any
 table resizing?

No not completely - however, I did not get dropouts in my use-cases ...

LG
Georg

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Re: [PD] sound for blender apricot opensource game

2008-02-03 Thread Georg Holzmann
Hallo!

 it's sad, but especially for mastering tasks i still have to stick with
 proprietary tools on a proprietary operating system, since working with
 foss tools is still way far from being as efficient as with the tools
 that are usually used in studios.

Did you try Ardour+Jamin ?
I did some recording projects with it in summer and it just worked quite 
well ... it works similar like a protools setup.

LG
Georg

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Re: [PD] [OT] FOSS audio tools

2008-02-03 Thread Georg Holzmann
Hallo!

 - jamin is cool and powerful software too, but it follows the wrong
 strategy: you can only use it in real-time, since it is a jack-plugin.
 having to render in realtime is a pain and dangerous in many situations

Yeah that's true - would be nice to do that offline ...
But this is also how it works in studios, you have your 
mastering-hardware and bounce it in rt (I am not such a studio expert, 
but at least in the studios I was it was done like this).
However, this should be no excuse ...

 (all drop-outs are in the resulting file). OTOH, LADSPA plugins don't
 support customized guis, AFAIK, therefor there is no option to do
 something like jamin as a LADSPA plugin. IMHO, most LADSPA plugins might
 be good scientific applications, but definitely not for everyday studio
 work (no visual feedback, strange scales of parameters).

Yes, that's the second problem.
It took me quite some time to find some good sounding plugins (and some 
I had to fix) - but they exist.
Better visual feedback would be great too - maybe the upcoming LV2 can 
solve this ...


Okay, that's maybe a little bit OT now ;)
LG
Georg

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Re: [PD] [PD-announce] Linux Audio Conference 2008: Registration now open

2008-01-29 Thread Georg Holzmann
Hans-Christoph Steiner schrieb:
 Miller is giving a keynote, so it seems it could be the Pd year at  
 LAC.  I'll be presenting the NY Times project that I recently worked  
 on.  Who else will be there?

basically all the pd-people from graz !

LG
Georg

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Re: [PD] paranoid pd

2008-01-27 Thread Georg Holzmann
marius schebella schrieb:
 let me ask the other way? why has pd to behave different than every 
 other program on my computer?

Yes, I also don't understand this ...
Although there might be a workaround, newbies (and even me as not so new 
newbie) don't know this and are only irritated.

LG
Georg

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Re: [PD] pdradio

2008-01-24 Thread Georg Holzmann
Hallo Martin!

 Second: Has pdradio.iem.at been disbanded?  I recently read about it and 
 I'm interested in hearing what it has to offer but I haven't been able 
 to access it for the past few days

Yes, the server died ... :(
So pdradio is history.

LG
Georg

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[PD] Gem: alpha blending without loss of brightness

2008-01-23 Thread Georg Holzmann

Hallo!

I have again a basic alpha blending problem, where I don't find a solution:

For example I have two images (A + B), which are overlapping at a small 
part (C):



| image A  |
|  |
|  |--
|  | C | |
---| |
   | |
   |  image B|
   ---

Now I want that image A and image B looks normal (unchanged) and in the 
overlapping part the two images are added so that one sees both - and 
all this with openGL commands (not pix_add or similar, because I have 
lots of such regions).


OK, I gave all images an alpha value of 0.5, but then the whole image 
losses brightness.


So my question: is there a way to get this alpha blending and without a 
loss of brightness in the images ? or can I renormalize this effect 
somehow (re-increase the brightness) ?
(see attached patch where I illustruted this problem with 2 colored 
rectangles)


Thanks for any hint,
LG
Georg
#N canvas 545 0 684 281 10;
#X obj 27 140 gemwin;
#X msg 44 71 create \, 1;
#X msg 47 102 destroy;
#X obj 161 205 rectangle 2 1;
#X obj 162 71 gemhead;
#X obj 163 107 colorRGB 1 0 0 0.5;
#X floatatom 267 61 5 0 0 0 - - -;
#X obj 466 204 rectangle 2 1;
#X obj 467 74 gemhead;
#X floatatom 574 70 5 0 0 0 - - -;
#X obj 163 178 alpha;
#X obj 467 176 alpha;
#X obj 161 141 translateXYZ -1 0 0;
#X obj 469 136 translateXYZ 1 0.2 0;
#X obj 469 104 colorRGB 0 1 0 0.5;
#X text 260 26 when you change these alpha values here \, also the
colors of the non-overlapping region change:;
#X connect 1 0 0 0;
#X connect 2 0 0 0;
#X connect 4 0 5 0;
#X connect 5 0 12 0;
#X connect 6 0 5 4;
#X connect 8 0 14 0;
#X connect 9 0 14 4;
#X connect 10 0 3 0;
#X connect 11 0 7 0;
#X connect 12 0 10 0;
#X connect 13 0 11 0;
#X connect 14 0 13 0;
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[PD] GEM: texturing parts of multiple movies

2008-01-22 Thread Georg Holzmann
Hallo!

I have the following (basic) GEM problem (and some ascii-art ;) :

I have 2 movies running with pix_film which are rendered on rectangles 
with the same size over the whole screen and I want to see only a part 
of each movie (see illustration):

from movie A:
---
| |
| |
| |
|  |---|  |
|  | partA |  |
|  |   |  |
|  |---|  |
---
from movie B:
---
|||   |
|| partB  |   |
|||   |
|||   |
| |
| |
| |
---
together:
---
|||   |
|| partB  |   |
||(movieB)|   |
|  |---| ||   |
|  | partA |  |
|  |(movieA|  |
|  |---|  |
---

So I tried to lay black rectangles over the movies and let free 
partA,partB so that one can only see these parts. But this does not work 
for multiple movies, because then I only see the movie with the highest 
gemhead priority (and also with alpha blending it was not possible) ...

So my question: is this possible without additional pix_* commands ? 
(e.g. texturing only a part of the movie onto a rectangle ... ?)
If yes has someone an idea how ?

Thanks for any hint,
LG
Georg

PS: if this is too confusing I can send an example patch ;)

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Re: [PD] GEM: texturing parts of multiple movies

2008-01-22 Thread Georg Holzmann
Hallo!

Many thanks - it works !

LG
Georg

 I replied too quickly,
 
 a better (more general solution which could involve more movies and  
 no masking) would be:
 
 set the gemwin 'orthagonal'
 layer the movies so A is furthest away, then B, C etc
 in front of this place a black rectangle
 then transparent rectangles part A, B C etc
 
 render order is:
 movie A
 then part A
 then movie B
 then part B
 then movie C
 then part C
 etc
 finally render the black rectangle
 
 
 this way you can easily move the part around

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Re: [PD] GEM: texturing parts of multiple movies

2008-01-22 Thread Georg Holzmann
Hallo!

Thanks Claude and IOhannes for the examples !

 to clarify: what is wrong with using 2 small rectangles where the 
 selected section is textured to?
 if i understand your original email correctly, you are trying to avoid 
 this.

No, it is what I want I simply did not know that this is possible with 
[pix_coordinate].

However, is there somewhere (opengl-) documentation what exactly the 
parameters of [pix_coordinate] are ?
(which number correspondes to which effect?)
Or for which word I should to search to find this in the opengl docu ...

Thanks,
LG
Georg

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Re: [PD] playlist for pc

2008-01-18 Thread Georg Holzmann
Hallo!

 im a pc user trying to use the playlist object, but
 it doesn't seem to want to be created..  it works
 on my mates mac, but no go on the pc.. is it just
 a mac external ?? any ideas would be super!

pc or not - what is your OS ;) ?

On linux that's no problem - don't know for windows ...

LG
Georg

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Re: [PD] Pd on Athlon64

2008-01-17 Thread Georg Holzmann
Hallo!

 pitfal: not using Pd-0.41
 advice: use pd-0.41

What is the difference between Pd-0.41 and pd-0.41 ;) ?

LG
Georg

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Re: [PD] Recording question

2007-12-19 Thread Georg Holzmann
tania habib schrieb:
 Well now I am facing a problem, I guess I was too excited to really
 check whether this option worked properly or not!
 The problem is that I have a patch in Pd, where I am using adc~,
 writesf~ to write the streaming data into wave files.
 When I initialize Pd, it recognizes the aggregate device, I click on
 it and select the no. of channels to the total no. of inputs I have
 with the aggregate device, say 8.
 When I start the recording and finish it. Open the wav files in
 audacity, only two channels seems to be active the rest have nothing
 in them!

How did you use writesf ? Did you specify the number of channels ?
If not look at the help patch of writesf ...

LG
Georg

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Re: [PD] re . xml-rpc client

2007-12-11 Thread Georg Holzmann
Hallo!

 Thanks again Georg, do you have a sense as to what it would take to
 re-write the external with the calls embedded in the external? Is this
 possible? It would be nice if one didn't have to use an accompanying
 script in Python , Perl etc to make those calls.

Once again: you don't have to rewrite the external and you don't have to 
use python!
Just this example used python - you can of course make this xmlrpc calls 
also in perl or whatever !

LG
Georg

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Re: [PD] xml-rpc client

2007-12-10 Thread Georg Holzmann
Hallo!

 Thanks I looked at that but it wasn't clear to me how I could connect to
 an external server such as
 http://xmlrpc-c.sourceforge.net/api.sample.php with this. Do I need to
 run a python script along with the patch? Is there a help file some
 where?

Well, there is an help pach: look in /externals/iem/iemxmlrpc
  (I think not a help patch, but an example patch).
And you should be able to use that with any other language than python ...

LG
Georg

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Re: [PD] re . xml-rpc client

2007-12-10 Thread Georg Holzmann
Hallo!

 Thanks Georg . I saw this patch but it doesn't really have any explanation 
 associated with it that I can see.
 Also one would have to run another script in Python or something to make the 
 xml-rpc calls if I understand it correctly.

No, this is just an example in python...

 Is that correct? I was wondering if there was an external with the xml-rpc 
 library included to avoid having to use anything 
 along with PD. In the ideal case one would use only PD as the client and be 
 able to contact a remote xml-rpc server directly.

Yes, I think thats the idea - however, you have to replace the calls 
from the python example with the equivalent calls from your desired 
language - I'm sorry, I only used it in python so far, so I can't give 
an example ...

So maybe the best is to simply try to reprogram this python example in 
your language (if you have problems just post them) - then this could be 
also added as an example ...

LG
Georg

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Re: [PD] fft beginner question

2007-11-22 Thread Georg Holzmann
marius schebella schrieb:
 Mathieu Bouchard wrote:
 
 this is actually cos^2+sin^2=1 in this context,
 
 these are not unity vextors, if you square the cosine and sine part you 
 don't get one, but a square of the amplitudes, so it is more 
 cos^2+sin^2=amplitude^2

hm, I don't really understand what you try to say here, but cos(x)^2 + 
sin(x)^2 is 1 !

LG
Georg

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Re: [PD] fft beginner question

2007-11-21 Thread Georg Holzmann
Hallo!

 The main reason we use complex numbers in electronic music is
  because they magically automate trigonometric calculations. We
  frequently have to add angles together in order to talk about the
  changing phase of an audio signal as time progresses (or as it is
  shifted in time, as in this chapter). It turns out that, if you
  multiply two complex numbers, the argument of the product is the sum
  of the arguments of the two factors.
 
 so, is that where 'fast' fourier transform comes from then?

No - the term fast fourier transform comes from the special algorithm 
how the DFT (discrete fourier transform) is calculated (see e.g. 
http://en.wikipedia.org/wiki/Fft)

LG
Georg

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Re: [PD] Pd and gpgpu

2007-11-11 Thread Georg Holzmann
Hallo!

 Max MSP/Jitter has bridge objects that convert from audio rate to  
 matrices and back, which would be needed in PD land to readback from  
 the GPU, and convert to an audio rate signal. Thats how this is done.  
 Otherwise i have no idea how you would implement souch a patch.

I think the easiest way to do it is simply in the C code of the audio 
externals (there exist already nice libraries for general computing on 
the GPU - as pointed to in the last link).

However, of course it would be also interesting to do that at the 
patching level, but I don't know if that is possible ...

LG
Georg

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Re: [PD] Pd and gpgpu

2007-11-10 Thread Georg Holzmann
Hallo!

 it is true that the gpu is unused most of the time and could be used to 
 do fast calculations, but the main output for graphicscards is the 
 screen and reading back into ram can be slow. (of course slow is a 
 relative term). I also see a problem in the different formats for audio 
 and images. most graphics cards are optimized for vec4 processings (4 
 parallel color channels). and audio...

Well, there are already quite some papers/software for audio processing 
on the gpu (see e.g. 
http://www.gpgpu.org/cgi-bin/blosxom.cgi/Audio%20and%20Signal%20Processing/index.html).

But AFAIK nobody did this with pd up to now ...

LG
Georg

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Re: [PD] pyext~

2007-10-14 Thread Georg Holzmann
Hallo Thomas !

 Signal support for py/pyext is really experimental and i don't recommend 
 it at all, since it's also inefficient cpu-wise.

I am just curious: what is so slow ?
(I did not look into the source ...)

I use also python for offline computation (not with pd yet) and it is 
quite fast - so is the interface to pd the problem ?

LG
Georg

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Re: [PD] xml-rpc

2007-10-05 Thread Georg Holzmann
Hallo!

 after I finished my script I found out that there is already an object 
 that does xml-rpc (iemxmlrpc). iem used it for the iArs project, but I 
 did not find the object?

It is in pd-cvs/externals/iem/iemxmlrpc/

 I am planning to use it as a protocol to talk to a database server. 
 (sounds boring, no?)
 
 No! I was pondering how to do some mySQL inserts and queries from Pd
 just the other day. Wanna show us some tricks?

What do you wanna do (marius) ? Directly query the mySQL database ?
Then you could just do it in pyext (I posted a mySQL pyext-external 
for pd some time ago to the list).

If you need communication to other languages or whatever, xmlrpc is nice 
- I used it quite a lot for installations etc.

LG
Georg

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Re: [PD] translations for pdpedia templates

2007-10-02 Thread Georg Holzmann
Hallo!

 $inlets = Inlets;
 $outlets = Outles;

I use in german also the terms Eingang and Ausgang - don't know what the 
others think ...

 $arguments = Argumente;
 $messages = Messages;   # not sure about this one.
   # german would be 'Nachrichten', but
   # noone seems to use it.

Hm ... I also don't use Nachrichten, but it does not sound that bad ...

LG
Georg

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Re: [PD] [PD-announce] Transcribe~ Release

2007-09-25 Thread Georg Holzmann
Hallo Arshia !

 I would like to announce the release of Transcribe~, a real-time  
 polyphonic audio to Midi transcriber for Pd and MaxMSP.

Thanks - this sounds quite interesting !

However, unfortunately I can not try it (am on linux), you only have the 
binaries on the page ...

LG
Georg

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Re: [PD] inconsistencies with lib names (was: representning classes

2007-09-19 Thread Georg Holzmann
Hallo!

 The first one found would be the right one. It's not pd's problem if there 
 exist more than one file with the same name. Surely that's up to the creators 
 of the files to sort out.

Well, this is now discussed since years.
The whole namespace+pd-extended thing would not be obsolete if we simply 
would load everything in the extra directory ...

Also every external in there would be loaded into the memory when you 
start pd.

LG
Georg

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Re: [PD] inconsistencies with lib names (was: representning classes and selectors in the wiki)

2007-09-18 Thread Georg Holzmann
Hallo!

 as far as i have understood it, the standard library wants to duplicate 
 externals: e.g. an object that allows interfacing with the serial port 
 would be a copy of iem/comport that is named hardware/comport (or whatever).
 thus it would not rely on 3rd party externals, but on stdlib 
 internal libraries. (with duplicate code and everything that follows 
 from it)

As far as I undestood it the code of e.g. comport would go in this 
standard lib (e.g. to hardware/comport) but should not duplicate the 
code - instead the iem/comport code should be obsolete and now 
maintained in hardware/comport.

But as the others convinced me at the pd conv I don't think that this 
will happen soon (and soon in pd time means maybe 8-10 years ... ;)

LG
Georg

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Re: [PD] puredata objects need help

2007-09-12 Thread Georg Holzmann
Hallo Marius!

Only some small questions:
for what are the TAGS,TAGS,TAGS ? (in your csv file no object uses 
them)

OBJECTNAME,ABBREVIATION,DESCRIPTION,LIBRARY,CATEGORY,TAGS,TAGS,TAGS,HELP
 
PATCH

And to the categories: do you want to list objects per category 
afterwards, which would meen that we should choose between a fixed set 
of categories ?


Maybe we could just post more objects here in the list and then you 
could add the - although this migth not be optimal ... ;)

LG
Georg

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Re: [PD] please help me read mp3 files on a win2k system!!

2007-09-12 Thread Georg Holzmann
Thomas O Fredericks schrieb:
 I was able to play mp3s in Windows with through a vst and the vst~ 
 external. It worked great.
 The vst mp3 player: http://www.kvraudio.com/get/604.html (almost 
 everything can be controlled with vst~)

It is also possible to play mp3 files with the mpe player from iemlib 
(iem_mp3), which should work under windows too.
The object is called [mp3play~].

LG
Georg

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Re: [PD] please help me read mp3 files on a win2k system!!

2007-09-12 Thread Georg Holzmann
IOhannes m zmoelnig schrieb:
 Georg Holzmann wrote:
 
 It is also possible to play mp3 files with the mpe player from iemlib 
 (iem_mp3), which should work under windows too.
 The object is called [mp3play~].
 
 
 have your read this thread?

I thought yes, but maybe its a problem of my mail client.
At least I don't see any reference to mp3play ...

However, sorry for the noise if I repeated something ...

LG
Georg

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Re: [PD] iemmatrix for macosx

2007-09-11 Thread Georg Holzmann
Hallo!

 but even in the old autobuilds there is no iemmatrix.
 Is it called matrix instead of iemmatrix? or is it stripped into single 
 objects (mtx_and...). 
 
 i don't know.
 iemmatrix can be build as single object collection, so it is pd-extended 
 ready.
 i will not add it, but i thought georg has already done so (?)

Yes I have added iemmatrix and they should be in the autobuilds (also 
for OS-X, I just checked the makefile).
The library is called iemmatrix, so an [import iemmatrix] should work.

But these changes are only in the latest pd-extended which is not 
released yet ...

LG
Georg

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Re: [PD] reminder for tuesday

2007-09-11 Thread Georg Holzmann
marius schebella schrieb:
 ähem... where is the chat? can I use iChat?
 marius.

IRC (freenode), dataflow channel.

Don't know if iChat is an IRC client ...

LG
Georg

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Re: [PD] reminder for tuesday

2007-09-09 Thread Georg Holzmann
marius schebella schrieb:
 hi,
 could someone repeat when and where the chat session for pd 
 documentation will be on tuesday?

I think 18:00 UTC ?

LG
Georg

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Re: [PD] new external: closemsg

2007-09-04 Thread Georg Holzmann
Hallo Thomas!

Is there any problem in just using [closebang] ?
(as e.g. in the patch here 
http://www.mail-archive.com/[EMAIL PROTECTED]/msg00174.html, or I don't know 
if someone else already made such an external)

As you describe the behaviour of your object IMHO it sounds not very 
consistent and would possibly introduce bugs in patches ...

LG
Georg

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Re: [PD] new external: closemsg

2007-09-04 Thread Georg Holzmann
Hallo!

Thomas O Fredericks schrieb:
 I have been waiting (count in years) for the long promised closebang. As 
 for many PD promises, I am tired of waiting... I got work to do!

I understand that - so maybe you can simply make an external out of the 
[colsebang] patch ?
(I did not look into the patch - so I don't know ...)

 As you describe the behaviour of your object IMHO it sounds not very
 consistent and would possibly introduce bugs in patches ...
 
 If used properly (as for inter-patch and not inner-patch stuff) it 
 should not. No using [t a a ] to connect multiple multiple inlets to one 
 outlet will possibly introduce bugs also.

I don't understand this. The only problem here is communication, because 
the behaviour would be a part of closebang ...

LG
Georg

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Re: [PD] Gem and ieee1394 firewire cam on linux debian

2007-08-22 Thread Georg Holzmann
Tim Boykett schrieb:
 Apologies for a slight stuff up,
 
 The suggestion I made here, I now notice deep in the source, has been  
 made.
 with the message
 
 |device /dev/dv1394/0(
 
 to pix_video I could have made this work all those days ago.

It should be documented in the help patch though ...

LG
Georg

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Re: [PD] Gem and ieee1394 firewire cam on linux debian

2007-08-22 Thread Georg Holzmann
Tim Boykett schrieb:
 Apologies for a slight stuff up,
 
 The suggestion I made here, I now notice deep in the source, has been  
 made.
 with the message
 
 |device /dev/dv1394/0(
 
 to pix_video I could have made this work all those days ago.

I should be documented in the help patch though ...

LG
Georg

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Re: [PD] Gem and ieee1394 firewire cam on linux debian

2007-08-15 Thread Georg Holzmann
Hallo!

 But I am having no luck with pix_video or pdp_v4l. The main problem
 seems to be that (apparently) recently the naming conventions
 in debian and possibly linux in general were changed. So there is
 no more /dev/video0 for the v4l mode, and for pix_video trying to
 work directly with ieee1394, I get complaints that /dev/ieee1394/dv/ 
 host/PAL/in
 Is a directory.

Yes we had this discussion quite some time ago: I think you can open the 
device with sending the message [driver /dev/ieee1394/dv/host/PAL/in( 
(fill in your device) to [pix_video]. If not let me know, then the fix 
was not added ...

LG
Georg

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Re: [PD] image object and spaces in filenames

2007-08-09 Thread Georg Holzmann
Hallo Marius!

 I would like to know if it is better to send such problems only as a bug 
 report from the source forge site?

Don't think that its a bug, more a limitation of pd.
You can:
- rename all spaces in your filenames with _ (which is quite easy with 
a shell script)
- make your path-symbol e.g. in python-pyext (where you can make strings 
with spaces) and then send it to the image object

LG
Georg

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Re: [PD] image object and spaces in filenames

2007-08-09 Thread Georg Holzmann
Hallo!

 I was not talking about [pix_image], but [image] (originally in ggee).

ok, sorry - I thought you speak about [pix_image] ...

LG
Georg

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Re: [PD] image object and spaces in filenames

2007-08-09 Thread Georg Holzmann
Mathieu Bouchard schrieb:
 On_Thu,_9_Aug_2007,_Roman_Haefeli_wrote:_this_is,_what_i_was_trying_to_say:_you_cannot_expect_symbols_with_spaces_to_work_in_pd_(or_can_i?_correct_me,_if_i_am_wrong)_using_spaces_is_always_a_hack._that_is_why_expressed_uncertainty_about_this_behaviour_being_a_bug.
  
 
 
 Yes,_using_spaces_is_always_a_hack_because_one_can_write_everything_one_needs_to_write_using_only_underscores_just_like_this.|_Mathieu_Bouchard_-_tél:+1.514.383.3801,_Montréal_QC_Canada

your_comments_are_always_the_best_ones_..._;)

LG
Georg

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Re: [PD] RIP James E. Tittle II

2007-06-21 Thread Georg Holzmann
Hallo!

 Sad to hear this. Guestbook doesn't like my browser so..
 Happy hacking James, wherever you have gone.
 

some more photo-links from mathieu:

  some notes in the piksel04 log:
  http://www.piksel.no/piksel04/photoblog5.html
 
  and a picture of James in his red striped shirt:
  http://www.piksel.no/piksel04/landmark_tue_02/big/12.jpg

clearer photos, a few weeks older, in Graz:

http://artengine.ca/matju/guckes/2004-09-29/dscn8146.jpg
trying t-shirt

http://artengine.ca/matju/guckes/2004-09-29/dscn8245.jpg
with Martin Pichlmair, Cyrille Henry and uh...

http://artengine.ca/matju/guckes/2004-09-30/dscn8322.jpg
with Hans-Christoph Steiner, Lluis Gomez i Bigorda, Yves Degoyon, Tom 
Schouten, Frank Barknecht, Johannes Zmölnig.

http://artengine.ca/matju/guckes/2004-10-01/dscn8486.jpg
with Thomas Musil

http://artengine.ca/matju/guckes/2004-10-04/dscn8905.jpg
with Alexandre Castonguay and I

http://artengine.ca/matju/guckes/2004-10-04/dscn8930.jpg
http://artengine.ca/matju/guckes/2004-10-04/dscn8931.jpg
http://artengine.ca/matju/guckes/2004-10-04/dscn8947.jpg

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Re: [PD] cross-correlation in pd ?

2007-06-18 Thread Georg Holzmann
Hallo!

 The problem is that two of the objects I have in the patch that Andy sent me
 1- tab_mul
 2- tab_cross_corr

these should be in the iem_tab external (included in latest pd extended)

LG
Georg

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Re: [PD] DSP abstractions [was: netpd ...]

2007-06-17 Thread Georg Holzmann
Hallo!

 no: loading the library or the libdir is not necessary in pd-extended,
 because [filter~] is directly in the extra folder.
  
 It is? Pd-extended continues to surprise/confuse me sometimes ... How
 is it decided what is directly in extra and what not? 

No, its not in extra - at least not in the latest autobuild versions ...
Everything (binaries and abs) are in the extra/iemlib folder.

LG
Georg

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