Re: [PD] trying to track down a bug: Pd-extended 0.43-1 beta on Oneric 32 bit
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 2012-04-16 20:44, John Harrison wrote: Sorry for the delay on this. I downloaded today's binary build of Pd-extended for Ubuntu 11.10 32 bit, then ran Pd-extended with -nrt in is it possible to build Gem (from the git master branch) yourself? what is the exact version it shows for Gem? fgamsdr IOhannes -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk+SsZ4ACgkQkX2Xpv6ydvSVxgCcCB4RBCG9eOnb73zafm5sjKKn fc0An3i3bXnKlfC9q8T61Zv8LccePjGF =tdd3 -END PGP SIGNATURE- smime.p7s Description: S/MIME Cryptographic Signature ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] MotorMix to PD
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 2012-04-18 06:14, Rishabh Natarajan wrote: I've come across MIDIvice files that attempt to make it easier to map or use pd with Motormix. I have a .c file, a 'makefile' file and a motormix.pd file as well. Not sure how to use these or include them so that pd can recognize these as an external to help with Motormix usage. in theory, you open a terminal, cd into the directory containing the makefile and type $ make (you need to have a compiled installed on your system, on OSX this would mean XCode) Don't even know if they work for macs the external itself should be ok. the build-system might be a bit problematic though. if i find time i might fix it (it should be fairly simple to use the template/Makefile to build this external) -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk+StHoACgkQkX2Xpv6ydvTCvQCg0VTwBdjSYJzi6TrIFd7H2laY F6QAn3OyrzclDYHnVlpOWbB74zuPhfXI =s2/A -END PGP SIGNATURE- smime.p7s Description: S/MIME Cryptographic Signature ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] HID double triggers
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 2012-04-18 20:27, Andrew Faraday wrote: I've had this problem before with [hid], apparently it's a hardware issue called 'debouncing', which is often ignored because it is often irrelevant (pushed is pushed, for game controllers, rather than a button-on/button-off signal used for most music systems). You can deal with the problem in pure data by using a trigger, float and delay of one millisecond. See the attached patch, click the message boxes and watch your terminal for the result. [change] seems to be the more appropriate solution here... fgmasdr IOhannes -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk+StMkACgkQkX2Xpv6ydvShNwCfYOv8n5yKfBy2yLvaKloK+HVy T48Anj+LRiV+uynec5l7TV+LPyoGLo12 =Dpcj -END PGP SIGNATURE- smime.p7s Description: S/MIME Cryptographic Signature ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] Help with Jack and PD
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 2012-04-21 01:16, Michal Seta wrote: When I tried starting pd with 18 channels and then assigned 16 to Jack incoming and 2 to built-in output for outgoing, terminal threw an error saying 'invalid number of channels' I am not sure on this one but I think that if Pd does not find as many physical (or jack) inputs or outputs it will warn you. When you do provide enough IO you can reconfigure Pd for the new values and it should work (if you cross your fingers). you don't do it like this. when using jack, you should only be using jack (while Pd can use multiple devices, this is really means mutliple devices on _one_ audio backend, not multiple backends simultaneously; jack is one backend; portaudio another backend; furthermore, i don't think multiple outputs work on anything but linux/alsa) having said all that, i don't really understand your question. use jack as Pd's sole audio interface, and then use jack-pilot or qJackCtrl to route 2 outputs of Pd to your soundcard and the others to wherever. there is no need to complicate things by doing the routing in jack, Pd, audioox and whatnot, when jack can handle everything just fine. 3. I want to have 8 channels from one adc~ and another 8 from the other. This means all 16 channels are meant for input. How then do I route output from pd to the speakers? what's the audio output of Pd todo with the audio input of Pd? it would be good if you could sketch what you really want to do, rather than how to attempt to solve it. afaics it is something like: - - you want to have the output of iTunes (8 chnannels) and Spotify (another 8 channels) go into Pd, let Pd do some processing on that and send the output of Pd to the stereo output of your computer. SO - - startup jack - - startup Pd with -jack -channels 16 - - connect the 1st two output channels of Pd to your soundcard in jackpilot - - connect the 8 outputs of iTunes to the 1st 8 inputs of Pd in jackpilot - - connect the 8 outputs of Spitify to the 2nd 8 inputs of Pd in jackpilot - - in Pd, you will get the signals from iTunes using [adc~ 1 2 3 4 5 6 7 8] and the signals from iSpit using [adc~ 9 10 11 12 13 14 15 16] - - whatever you send to [dac~ 1 2] will go out to your speakers. mghadrt IOhannes -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk+St2UACgkQkX2Xpv6ydvQXggCff/GAVnxDkBr+vWUhyK9I0jHO MwIAn25k6FFRylcg1FdUlEPQ46GV3C4F =n1t2 -END PGP SIGNATURE- smime.p7s Description: S/MIME Cryptographic Signature ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] trying to track down a bug: Pd-extended 0.43-1 beta on Oneric 32 bit
On Apr 21, 2012, at 9:09 AM, IOhannes m zmoelnig wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 2012-04-16 20:44, John Harrison wrote: Sorry for the delay on this. I downloaded today's binary build of Pd-extended for Ubuntu 11.10 32 bit, then ran Pd-extended with -nrt in is it possible to build Gem (from the git master branch) yourself? what is the exact version it shows for Gem? Gem in Pd-extended is the 0.93 branch, at commit 1458b4f8cfa12503bba94e2a8804f802f07efdaa http://pure-data.svn.sourceforge.net/viewvc/pure-data/branches/pd-extended/0.43/externals/Gem/ .hc kill your television ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] [PD-announce] leer este 07
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Re: [PD] (OT) safely connect piezo transducer to soundcard as microphone
On 04/21/2012 12:38 AM, Martin Peach wrote: You could put a resistor in series to limit the current or a pair of diodes in parallel to clamp the voltage. Probably a pair of 1N4001s like this would work: IN---+--+-OUT | | ^ v | | GND--+--+- Hi, Thanks for the suggestion. If I understand correctly, here the non-ideality of the diodes is what does the trick, and this would limit the voltage to below the diode's drop, right? which is about 1V or so... Now, thinking about it, wouldn't the following be even better? (this hadn't come to my mind before) IN---+--+-OUT | v | | ^ | GND--+--+- with two ZENER diodes of appropriate reverse voltage? Facing each other? So within the allowed voltage range there would be no (or much less) distortion? Maybe I'm being too naive here? ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] (OT) safely connect piezo transducer to soundcard as microphone
On 04/21/2012 02:14 AM, richard duckworth wrote: Piezo mics should go through a very high impedance buffer stage. .. Thank you very much, that was illuminating. However for now I'm was looking for a simplistic solution without the slightest care for sound quality, as I'm just using the signal to take its envelope in order to detect knocks and the like. But now I know why it sounds the way it sounds and that with an appropriate high impedance buffer stage it can sound way better, the day I'll need it :D ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] (OT) safely connect piezo transducer to soundcard as microphone
By the way, thinking about it again, I think the sound card applies a DC voltage to its input (about 3V) (in order to polarize an electret microphone), so I'm afraid the parallel diodes can't work because the one pointing downwards would always be on. On 04/21/2012 05:03 PM, Martin Peach wrote: On 2012-04-21 10:16, Matteo Sisti Sette wrote: On 04/21/2012 12:38 AM, Martin Peach wrote: You could put a resistor in series to limit the current or a pair of diodes in parallel to clamp the voltage. Probably a pair of 1N4001s like this would work: IN---+--+-OUT | | ^ v | | GND--+--+- Hi, Thanks for the suggestion. If I understand correctly, here the non-ideality of the diodes is what does the trick, and this would limit the voltage to below the diode's drop, right? which is about 1V or so... Now, thinking about it, wouldn't the following be even better? (this hadn't come to my mind before) IN---+--+-OUT | v | | ^ | GND--+--+- with two ZENER diodes of appropriate reverse voltage? Facing each other? So within the allowed voltage range there would be no (or much less) distortion? Maybe I'm being too naive here? Yes that's the next step, if you want a larger voltage range. Or use strings of ordinary diodes to add about .6V per diode. I think if you only want to detect hits it doesn't matter too much. Ideally, you would know the voltage range of your audio input and set the levels to fit that. Martin ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] (OT) safely connect piezo transducer to soundcard as microphone
On 2012-04-21 11:07, Matteo Sisti Sette wrote: By the way, thinking about it again, I think the sound card applies a DC voltage to its input (about 3V) (in order to polarize an electret microphone), so I'm afraid the parallel diodes can't work because the one pointing downwards would always be on. That sounds unlikely. If it had 3V on the input you would always get a high value with nothing connected. Anyway, it's better to use a line input with piezos because their output is in volts, not millivolts. If it really has 3V on it, putting a 10k resistor in series with the input will protect it and still pass the piezo signal, which is very high impedance, so won't be diminished much: IN++/\/\/OUT || ^V || GND---++- Martin On 04/21/2012 05:03 PM, Martin Peach wrote: On 2012-04-21 10:16, Matteo Sisti Sette wrote: On 04/21/2012 12:38 AM, Martin Peach wrote: You could put a resistor in series to limit the current or a pair of diodes in parallel to clamp the voltage. Probably a pair of 1N4001s like this would work: IN---+--+-OUT | | ^ v | | GND--+--+- Hi, Thanks for the suggestion. If I understand correctly, here the non-ideality of the diodes is what does the trick, and this would limit the voltage to below the diode's drop, right? which is about 1V or so... Now, thinking about it, wouldn't the following be even better? (this hadn't come to my mind before) IN---+--+-OUT | v | | ^ | GND--+--+- with two ZENER diodes of appropriate reverse voltage? Facing each other? So within the allowed voltage range there would be no (or much less) distortion? Maybe I'm being too naive here? Yes that's the next step, if you want a larger voltage range. Or use strings of ordinary diodes to add about .6V per diode. I think if you only want to detect hits it doesn't matter too much. Ideally, you would know the voltage range of your audio input and set the levels to fit that. Martin ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] (OT) safely connect piezo transducer to soundcard as microphone
On 04/21/2012 05:31 PM, Martin Peach wrote: That sounds unlikely. If it had 3V on the input you would always get a high value with nothing connected. I measured it with the tester and it's there. The soundcard has a highpass filter which removes DC so you don't get it. Anyway, it's better to use a line input with piezos because their output is in volts, not millivolts. Actually my notebook has only one connector for input. I always guesste it could work both as mircophone and as line in, but I cannot find a settings for this in Ubuntu's sound settings. There's only an input level for microphone which is not clear whether it's hardware or software (also, it ranges from unamplified to 100% - LOL).. If it really has 3V on it, putting a 10k resistor in series with the input will protect it and still pass the piezo signal, which is very high impedance, so won't be diminished much: IN++/\/\/OUT | | ^ V | | GND---++- That will certainly protect the soundcard, but will it prevent the right-hand diode from being forward biased all the time killing the microphone signal? ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] (OT) safely connect piezo transducer to soundcard as microphone
If you add an electrolytic coupling capacitor to that schematic before it goes into the soundcard it will block any DC 'electret powering' voltage and prevent it from getting back into your piezo circuit. A 1uF should do it. Rich Duckworth Lecturer in Music Technology Department of Music House 5 Trinity College Dublin 2 Ireland Tel 353 1 896 1500 It's the most devastating moment in a young mans life, when he quite reasonably says to himself, I shall never play The Dane! From: pd-list-requ...@iem.at pd-list-requ...@iem.at To: pd-list@iem.at Sent: Saturday, 21 April 2012, 16:32 Subject: Pd-list Digest, Vol 85, Issue 65 Send Pd-list mailing list submissions to pd-list@iem.at To subscribe or unsubscribe via the World Wide Web, visit http://lists.puredata.info/listinfo/pd-list or, via email, send a message with subject or body 'help' to pd-list-requ...@iem.at You can reach the person managing the list at pd-list-ow...@iem.at When replying, please edit your Subject line so it is more specific than Re: Contents of Pd-list digest... Today's Topics: 1. Re: trying to track down a bug: Pd-extended 0.43-1 beta on Oneric 32 bit (Hans-Christoph Steiner) 2. Re: [PD-announce] leer este 07 (laura plana) 3. Re: (OT) safely connect piezo transducer to soundcard as microphone (Matteo Sisti Sette) 4. Re: (OT) safely connect piezo transducer to soundcard as microphone (Matteo Sisti Sette) 5. Re: HID double triggers (James Dunn) 6. Re: (OT) safely connect piezo transducer to soundcard as microphone (Martin Peach) 7. Re: (OT) safely connect piezo transducer to soundcard as microphone (Matteo Sisti Sette) 8. Re: (OT) safely connect piezo transducer to soundcard as microphone (Martin Peach) -- Message: 1 Date: Sat, 21 Apr 2012 09:42:28 -0400 From: Hans-Christoph Steiner h...@at.or.at Subject: Re: [PD] trying to track down a bug: Pd-extended 0.43-1 beta on Oneric 32 bit To: IOhannes m zmoelnig zmoel...@iem.at Cc: pd-list@iem.at Message-ID: 65d79887-df07-435a-85db-ec0f96f9b...@at.or.at Content-Type: text/plain; charset=us-ascii On Apr 21, 2012, at 9:09 AM, IOhannes m zmoelnig wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 2012-04-16 20:44, John Harrison wrote: Sorry for the delay on this. I downloaded today's binary build of Pd-extended for Ubuntu 11.10 32 bit, then ran Pd-extended with -nrt in is it possible to build Gem (from the git master branch) yourself? what is the exact version it shows for Gem? Gem in Pd-extended is the 0.93 branch, at commit 1458b4f8cfa12503bba94e2a8804f802f07efdaa http://pure-data.svn.sourceforge.net/viewvc/pure-data/branches/pd-extended/0.43/externals/Gem/ .hc kill your television -- Message: 2 Date: Sat, 21 Apr 2012 14:47:54 + From: laura plana lauraplanagra...@hotmail.com Subject: Re: [PD] [PD-announce] leer este 07 To: pd-annou...@iem.at Message-ID: blu0-smtp25695864525f1a8b623d9f5c9...@phx.gbl Content-Type: text/plain; charset=iso-8859-1 bspan style=font-size: 25pt; a alt=cbrincoboraxdeslucirciquiribailesee id=bataholaatarquinarbromoacalabrotararchimandritauop3h href=iucogeduraadaponer.y56.info/eS/?msg=diezajase3fjp=pd-annou...@iem.at pd-annou...@iem.at clic aqu? pantalla de correo electr?nico/a/Bfont color=#f4 174zlbcaaveral -- next part -- An HTML attachment was scrubbed... URL: http://lists.puredata.info/pipermail/pd-list/attachments/20120421/a50a1d53/attachment-0001.htm -- next part -- ___ Pd-announce mailing list pd-annou...@iem.at http://lists.puredata.info/listinfo/pd-announce -- Message: 3 Date: Sat, 21 Apr 2012 16:16:17 +0200 From: Matteo Sisti Sette matteosistise...@gmail.com Subject: Re: [PD] (OT) safely connect piezo transducer to soundcard as microphone To: Martin Peach martin.pe...@sympatico.ca Cc: PD-List pd-list@iem.at Message-ID: 4f92c131.1030...@gmail.com Content-Type: text/plain; charset=ISO-8859-1; format=flowed On 04/21/2012 12:38 AM, Martin Peach wrote: You could put a resistor in series to limit the current or a pair of diodes in parallel to clamp the voltage. Probably a pair of 1N4001s like this would work: IN---+--+-OUT | | ^ v | | GND--+--+- Hi, Thanks for the suggestion. If I understand correctly, here the non-ideality of the diodes is what does the trick, and this would limit the voltage to below the diode's drop, right? which is about 1V or so... Now, thinking about it, wouldn't the following be even better? (this hadn't come to my mind before) IN---+--+-OUT | v | | ^ | GND
Re: [PD] HID double triggers
On Apr 21, 2012, at 10:22 AM, James Dunn wrote: Quoth IOhannes m zmoelnig, on 21/04/2012 14:23: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 2012-04-18 20:27, Andrew Faraday wrote: I've had this problem before with [hid], apparently it's a hardware issue called 'debouncing', which is often ignored because it is often irrelevant (pushed is pushed, for game controllers, rather than a button-on/button-off signal used for most music systems). You can deal with the problem in pure data by using a trigger, float and delay of one millisecond. See the attached patch, click the message boxes and watch your terminal for the result. [change] seems to be the more appropriate solution here... fgmasdr IOhannes Thanks for the suggestion. The problem I have with these two solutions is that they only work when the double triggers are in sequence. Sometime they arrive like this: [hid] 0.7, written by Hans-Christoph Steiner h...@eds.org compiled on Apr 15 2012 at 08:12:47 [hid] opened device 4 (/dev/input/event4): AT Translated Set 2 keyboard print: key key_j 1 print: key key_l 1 print: key key_j 1 print: key key_l 1 print: key key_j 0 print: key key_j 0 print: key key_l 0 print: key key_l 0 So I would need to store the value of each key individually and check each one with [change]. Instead of this long-winded method, I've downloaded [linuxevent] which is working nicely so I think I'll stick with this even though it may be deprecated? Surely this is a bug with [hid] though? Could be. If you think so, please file a bug report. I am happy to help anyone work thru this bug. I haven't used [hid] in a good long while tho, so I'm not up on the code or the issues, nor am I likely to have time to look at it. .hc I hate it when they say, He gave his life for his country. Nobody gives their life for anything. We steal the lives of these kids. -Admiral Gene LeRocque ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
