Re: [LAD] User eXperience in Linux Audio

[Thijs van severen]

2015-04-21 8:21 GMT+02:00 Gordonjcp :

> On Tue, Apr 21, 2015 at 08:16:05AM +0200, Thijs van severen wrote:
> > We need to be aware of the fact that most people on this list are devs
> and
> > therefore do NOT represent the average user
> > In other words : "I dont like splash screens so i'm not going to
> implement
> > one" is (IMHO) a very very wrong attitude.  The same goes for any other
> > feature
>
> I still don't get why splash screens are a "good thing".  I don't want a
> big modal picture blotting out the middle quarter of the screen just
> because an app is waiting to start up.  Maybe there are other things I'd
> like to do with the computer while I'm waiting.
>

i dont think it has to be modal, and i'm also curious what other thing you
will be doing in those 3-5 sec that the splash is there
surprise me :-)


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Re: [LAD] User eXperience in Linux Audio

[Gordonjcp]

On Tue, Apr 21, 2015 at 08:16:05AM +0200, Thijs van severen wrote:
> We need to be aware of the fact that most people on this list are devs and
> therefore do NOT represent the average user
> In other words : "I dont like splash screens so i'm not going to implement
> one" is (IMHO) a very very wrong attitude.  The same goes for any other
> feature

I still don't get why splash screens are a "good thing".  I don't want a big 
modal picture blotting out the middle quarter of the screen just because an app 
is waiting to start up.  Maybe there are other things I'd like to do with the 
computer while I'm waiting.

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Re: [LAD] User eXperience in Linux Audio

[Thijs van severen]

Hi Harry
Just wondering where you got your inspriation for the above list?
There are of course numerous documents on ui design .Something like this
http://www.ambysoft.com/essays/userInterfaceDesign.html (but there are
better documents that go into the details. I just i cant find them right
now :-)
I,m not sure if these guidelines explicitly mention splash screens, but i'm
pretty sure that getting feedback from the app about what it is doing is
high on the list

We need to be aware of the fact that most people on this list are devs and
therefore do NOT represent the average user
In other words : "I dont like splash screens so i'm not going to implement
one" is (IMHO) a very very wrong attitude.  The same goes for any other
feature
Keep it simple and dont use 'alt-b' for what the rest of the world knows as
'ctrl-c' because you think thats better. It's not

Anyway, thumbs up for this effort !

Grtz
Thijs
Op 19-apr.-2015 00:40 schreef "Harry van Haaren" :

> Hi All,
>
> As promised just at the closing ceremony of LAC, an email opening the
> discussion of User Experience on Linux Audio. To all Developers,
> please use this as a checklist and consider supporting each item. It
> will improve the user experience.
>
> 1: Splash Screen
> If an app takes more than one quarter of a second to open, use a
> splash screen to give feedback. Feel free to contact me directly to
> collaborate on a splash screen graphic if necessary. Ensure the splash
> is shown immediately, before lengthy operations such as scanning for
> files or loading content.
>
> 2: Presets
> Synths and Effect plugins often provide presets - show a preset
> selection "in" the main UI, or 1 click away. A fast way to browse
> presets greatly enhances UX when searching for a sound. Ideally
> support "scroll-wheel" interaction for changing presets.
>
> 3: Hotkeys
> - Ctrl Q,  Quit
> - Ctrl W, Close Project
> - Ctrl S, Save
> - Ctrl Shift S, Save As
> - Escape, Context sensitive "close"
>
> I'm aware most of the recommendations above are obvious, and that many
> programs support these already.
> Cheers, -Harry
>
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Re: [LAD] GuitarSynth

[Gianfranco Ceccolini]

FalkTX helped me with the QT4/QT5 issue and I got it working

Nice to play around. Fast pitch detection and reliable in most cases. The 
performance drops a lot when using the 6th string though.

Nevertheless, good work Gerald!

Regards

Gianfranco


> Em 20/04/2015, à(s) 18:40, Gianfranco Ceccolini  
> escreveu:
> 
> When building in KXStudio I get the following error
> 
> gian@gian-Latitude-D630:~/build$ make
> /usr/lib/x86_64-linux-gnu/qt4/bin/uic ../GuitarSynth/mainwindow.ui -o 
> ui_mainwindow.h
> /usr/lib/x86_64-linux-gnu/qt4/bin/uic ../GuitarSynth/SynthBase.ui -o 
> ui_SynthBase.h
> g++ -c -m64 -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB 
> -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++-64 
> -I../GuitarSynth -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui 
> -I/usr/include/qt4 -I. -I. -I../GuitarSynth -I. -o main.o 
> ../GuitarSynth/main.cpp
> g++ -c -m64 -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB 
> -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++-64 
> -I../GuitarSynth -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui 
> -I/usr/include/qt4 -I. -I. -I../GuitarSynth -I. -o mainwindow.o 
> ../GuitarSynth/mainwindow.cpp
> In file included from ../GuitarSynth/synthbase.h:21:0,
>  from ../GuitarSynth/squaresynth.h:19,
>  from ../GuitarSynth/mainwindow.cpp:19:
> ../GuitarSynth/synthcontrol.h:21:27: fatal error: QtWidgets/QDial: No such 
> file or directory
>  #include 
>^
> compilation terminated.
> 
> 
> Any hint on where I can find the  QtWidgets/QDial ?
> 
> I already installed libqt4-dev 
> 
> Best
> 
> Gianfranco
> 
> 2015-04-18 0:30 GMT+02:00 Gerald  >:
> Hi guys, I've started/hacked a small project called GuitarSynth. It is
> meant as a playfield for exploring pitchdetection and synthesis for
> Guitar, since I'm a guitarist. You can get on Github (git clone
> https://github.com/geraldmwangi/GuitarSynth.git 
> ).
> Its really basic but its fun to play with. It take an audio signal (your
> guitar) extracts the fundamental pitch and drives some wavetable synths.
> Feel free to manipulate it, I'll be happy to grant people write access
> to the repo.
> Btw on IRC my Nick is JimsonDrift, the name of my band (see
> www.jimson-drift.de ).
> Cheers Gerald
> 
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> 
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> 
> 

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Re: [LAD] GuitarSynth

[Gerald]

Thanx. Fixed that and the warnings

On 20.04.2015 21:21, Guido Scholz wrote:
> Am Mon, 20. Apr 2015 um 20:09:17 +0200 schrieb Gerald:
>
> Hi Gerald,
>
>> Yes thats true. I built it on Ubuntu 14.04 and on Arch Linux both with qt5.
>> which distro are you on?
> if you fix line 21 in file synthcontrol.h from
>
>   #include 
>
> to
>
>   #include 
>
> your code will compile with Qt4 as well.
>
> But btw. I got some serious compiler warnings. I recommend to carefully
> fix them too.
>
> Guido
>
> PS: Your e-mail quoting style irritates me.
>
>
>
>> Gerald
>>
>> On 20.04.2015 19:57, Guido Scholz wrote:
>>> Am Mon, 20. Apr 2015 um 18:40:26 +0200 schrieb Gianfranco Ceccolini:
>>>
 When building in KXStudio I get the following error
>>> [...]
  from ../GuitarSynth/mainwindow.cpp:19:
 ../GuitarSynth/synthcontrol.h:21:27: fatal error: QtWidgets/QDial: No such 
 file
 or directory
  #include 
^
 compilation terminated.


 Any hint on where I can find the  QtWidgets/QDial ?
>>> $ locate QDial
>>>
>>>   /usr/include/qt4/QtGui/QDial
>>>   ...
>>>   /usr/include/qt5/QtWidgets/QDial
>>>
>>> This looks like you should go for Qt5 instead of Qt4.
>>>
>>> Guido
>>>
>>>
>>>
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Re: [LAD] GuitarSynth

[Guido Scholz]

Am Mon, 20. Apr 2015 um 20:09:17 +0200 schrieb Gerald:

Hi Gerald,

> Yes thats true. I built it on Ubuntu 14.04 and on Arch Linux both with qt5.
> which distro are you on?

if you fix line 21 in file synthcontrol.h from

  #include 

to

  #include 

your code will compile with Qt4 as well.

But btw. I got some serious compiler warnings. I recommend to carefully
fix them too.

Guido

PS: Your e-mail quoting style irritates me.



> Gerald
> 
> On 20.04.2015 19:57, Guido Scholz wrote:
> > Am Mon, 20. Apr 2015 um 18:40:26 +0200 schrieb Gianfranco Ceccolini:
> >
> >> When building in KXStudio I get the following error
> > [...]
> >>  from ../GuitarSynth/mainwindow.cpp:19:
> >> ../GuitarSynth/synthcontrol.h:21:27: fatal error: QtWidgets/QDial: No such 
> >> file
> >> or directory
> >>  #include 
> >>^
> >> compilation terminated.
> >>
> >>
> >> Any hint on where I can find the  QtWidgets/QDial ?
> > $ locate QDial
> >
> >   /usr/include/qt4/QtGui/QDial
> >   ...
> >   /usr/include/qt5/QtWidgets/QDial
> >
> > This looks like you should go for Qt5 instead of Qt4.
> >
> > Guido
> >
> >
> >
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Re: [LAD] GuitarSynth

[Gerald]

Yes thats true. I built it on Ubuntu 14.04 and on Arch Linux both with qt5.
which distro are you on?
Gerald

On 20.04.2015 19:57, Guido Scholz wrote:
> Am Mon, 20. Apr 2015 um 18:40:26 +0200 schrieb Gianfranco Ceccolini:
>
>> When building in KXStudio I get the following error
> [...]
>>  from ../GuitarSynth/mainwindow.cpp:19:
>> ../GuitarSynth/synthcontrol.h:21:27: fatal error: QtWidgets/QDial: No such 
>> file
>> or directory
>>  #include 
>>^
>> compilation terminated.
>>
>>
>> Any hint on where I can find the  QtWidgets/QDial ?
> $ locate QDial
>
>   /usr/include/qt4/QtGui/QDial
>   ...
>   /usr/include/qt5/QtWidgets/QDial
>
> This looks like you should go for Qt5 instead of Qt4.
>
> Guido
>
>
>
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Re: [LAD] GuitarSynth

[Guido Scholz]

Am Mon, 20. Apr 2015 um 18:40:26 +0200 schrieb Gianfranco Ceccolini:

> When building in KXStudio I get the following error

[...]
>                  from ../GuitarSynth/mainwindow.cpp:19:
> ../GuitarSynth/synthcontrol.h:21:27: fatal error: QtWidgets/QDial: No such 
> file
> or directory
>  #include 
>                            ^
> compilation terminated.
> 
> 
> Any hint on where I can find the  QtWidgets/QDial ?

$ locate QDial

  /usr/include/qt4/QtGui/QDial
  ...
  /usr/include/qt5/QtWidgets/QDial

This looks like you should go for Qt5 instead of Qt4.

Guido

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Re: [LAD] User eXperience in Linux Audio

[Guido Scholz]

Am Sat, 18. Apr 2015 um 23:40:10 +0100 schrieb Harry van Haaren:

> Hi All,

Hi Harry,
 
> 1: Splash Screen
> If an app takes more than one quarter of a second to open, use a
> splash screen to give feedback. Feel free to contact me directly to
> collaborate on a splash screen graphic if necessary. Ensure the splash
> is shown immediately, before lengthy operations such as scanning for
> files or loading content.

to be honest, I personally do not like spash sreens. If you implement
such a feature do not forget to give your user a preferences option to
disable it:
 
 [ ] Do not show (this annoying) spash sreen

[...]

> I'm aware most of the recommendations above are obvious, and that many
> programs support these already.

I would like to add one more point:

4: Support internationalization

Guido

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Re: [LAD] GuitarSynth

[Gianfranco Ceccolini]

When building in KXStudio I get the following error

gian@gian-Latitude-D630:~/build$ make
/usr/lib/x86_64-linux-gnu/qt4/bin/uic ../GuitarSynth/mainwindow.ui -o
ui_mainwindow.h
/usr/lib/x86_64-linux-gnu/qt4/bin/uic ../GuitarSynth/SynthBase.ui -o
ui_SynthBase.h
g++ -c -m64 -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB
-DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++-64
-I../GuitarSynth -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui
-I/usr/include/qt4 -I. -I. -I../GuitarSynth -I. -o main.o
../GuitarSynth/main.cpp
g++ -c -m64 -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB
-DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++-64
-I../GuitarSynth -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui
-I/usr/include/qt4 -I. -I. -I../GuitarSynth -I. -o mainwindow.o
../GuitarSynth/mainwindow.cpp
In file included from ../GuitarSynth/synthbase.h:21:0,
 from ../GuitarSynth/squaresynth.h:19,
 from ../GuitarSynth/mainwindow.cpp:19:
../GuitarSynth/synthcontrol.h:21:27: fatal error: QtWidgets/QDial: No such
file or directory
 #include 
   ^
compilation terminated.


Any hint on where I can find the  QtWidgets/QDial ?

I already installed libqt4-dev

Best

Gianfranco

2015-04-18 0:30 GMT+02:00 Gerald :

> Hi guys, I've started/hacked a small project called GuitarSynth. It is
> meant as a playfield for exploring pitchdetection and synthesis for
> Guitar, since I'm a guitarist. You can get on Github (git clone
> https://github.com/geraldmwangi/GuitarSynth.git).
> Its really basic but its fun to play with. It take an audio signal (your
> guitar) extracts the fundamental pitch and drives some wavetable synths.
> Feel free to manipulate it, I'll be happy to grant people write access
> to the repo.
> Btw on IRC my Nick is JimsonDrift, the name of my band (see
> www.jimson-drift.de).
> Cheers Gerald
>
> ___
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> http://lists.linuxaudio.org/listinfo/linux-audio-dev
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