[Pkg-n900-maint] [pulse]audio on N900 (was Re: pulseaudio playing tricks with me?!)

[Pali Rohár]

On Saturday 30 July 2016 23:55:04 Pavel Machek wrote:
> Hi!
> > > 
> > > Sound quality of call is currently awful. One reason may be that I'm
> > > using 4000Hz/stereo, which is very probably wrong, and I should use
> > > 8000Hz/mono. Unfortunately, on debian 7, even simple test program
> > > only works with 4000Hz or 44100Hz, but not with 8000Hz.
> > > 
> > > https://gitlab.com/libcmtspeechdata/libcmtspeechdata/blob/master/pa_t
> > > est.c
> > > 
> > > I tried same test on debian 8, and there it does not work at all
> > > 
> > > :-(. If anyone has idea what is wrong with pa_test (or sound setup on
> > > 
> > > n900), please let me know. This is not exactly easy to debug :-(.
> > > 
> > > Thanks,
> > > 									Pavel
> > 
> > :set flamemode on
> > 
> > Hi! You probably need to ask Lennart Poettering what you are doing wrong 
> > as pulseaudio always worked fine on Lennart's machine ;-)
> > 
> > :set flamemode off
> 
> Well, while that could be a lot of fun, I doubt it would help me.
> 
> > Can you try to use pulseaudio version from Maemo? Maybe that older 
> > version will work better with cmtspeech as cmtspeech plugin for 
> > pulseaudio was developed against that Maemo version.
> 
> Well, I dropped the plugin code, and used pulseaudio as a "normal
> client".
> 
> I did some experiments with ALSA, and it looks like hardware can not
> do 8000Hz/mono, but can only do 8000Hz/stereo...?

ccing jonwil, maybe he remember more details...

-- 
Pali Rohár
pali.rohar at gmail.com