linux sound archiitecture [was pulseaudio headaches]

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2009/12/29 Ng Oon-Ee <ngoonee@xxxxxxxxx>:
> On Tue, 2009-12-29 at 16:21 +0530, Rustom Mody wrote:
>> 2009/12/28 Ng Oon-Ee <ngoonee@xxxxxxxxx>:
>> > 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
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