[LAU] linux sound archiitecture [was pulseaudio headaches]

[Ng Oon-Ee]

On Wed, 2009-12-30 at 09:00 +0530, Rustom Mody wrote:
> 2009/12/29 Ng Oon-Ee <ngoonee at gmail.com>:
> > On Tue, 2009-12-29 at 16:21 +0530, Rustom Mody wrote:
> >> 2009/12/28 Ng Oon-Ee <ngoonee at gmail.com>:
> >> > On Sun, 2009-12-27 at 21:35 +0530, Rustom Mody wrote:
> >> >> I recently was introduced to nted
> >> >> Tried it on my debian-lenny desktop and it works nicely.
> >> >> But now need it on my laptop for a travel-demo session.
> >> >>
> >> >> Now the laptop (was) running hardy which has some pulseaudio headaches.
> >> >> In any case I had to upgrade because the clone monitor which is needed
> >> >> for a presentation does not work in hardy
> >> >>
> >> >> Now the headaches increase!  Pulseaudio more and more tightly
> >> >> integrated into ubuntu and nted (or is it timidity?) does not like it
> >> >> at all.
> >> >> Managed to remove pulse (with some associated packages)
> >> >>
> >> >> nted works once again but I cant adjust volume and and clicks and
> >> >> other ubuntu sounds which could be configured with
> >> >> System->preferences->sound wont come up saying: Waiting for sound
> >> >> system to respond.
> >> >>
> >> >> Any suggestions?
> >> >
> >> > Ubuntu sans Pulseaudio is a pain to get working. You'd probably have
> >> > better luck getting nted to run on pulseaudio.
> >> >
> >> > A quick search reveals
> >> > http://vsr.informatik.tu-chemnitz.de/staff/jan/nted/doc/ch01s50.html
> >>
> >> That link basically says dont use pulseaudio (if you want to use nted)
> >>
> >> >
> >> > Having never used nted before, I can't really comment much, but wouldn't
> >> > using JACK solve things, since pulseaudio now plays quite well with jack
> >> > (jackdmp, not jack 0.118 or whatever they're on now for jack1).
> >>
> >> The last time I tried jack (this was on debian about a year back) my
> >> sound stopped working.  Of course Ive not idea how to use jack so Im
> >> not complaining.
> >>
> >> If you could tell me what packages to try Ill try and see.
> >>
> >> Also (if some such thing is there) I would very much like to see
> >> something about linux sound architecture.  IOW jack, pulse and esd all
> >> seem to be 'servers' of some sort and (from what you say) jack seems
> >> to work well with pulse but pulse and esd are an either-or. So whats
> >> the bigger picture of all this.
> >
> > Sorry, no link for you, but here's my understanding.
> >
> > Control of audio devices in Linux is done by ALSA ...
> 
> Thanks for taking the time to write this up.
> 
> Just found this on the ubuntu wiki
> http://ubuntuforums.org/showthread.php?p=5931543
> It sounds detailed and exhaustive but I am not sure how authoritative.
> It would be real neat if some more authoritative figures could read
> that and comment...
> 
> Thanks again and happy new year to all
> 
> Rustom

Sounds okay to me (layman).