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

[Pavel Machek]

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...?

Best regards,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html