From alsa-user-owner@alsa.jcu.cz  Wed Nov 11 15:43:30 1998
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Date: Wed, 11 Nov 1998 15:41:15 +0100 (CET)
From: Jaroslav Kysela <perex@jcu.cz>
To: Bernable Loic <leto@thorgal.minet.net>
cc: alsa-user@jcu.cz
Subject: Re: Not important ...
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On Wed, 11 Nov 1998, Bernable Loic wrote:

> Hello guys
> 
> I have a question, but it is not really related to technical points of ALSA.
> However, as you are concerned about all that deals with sound, I think you
> could provide me an answer.
> 
> Well, I was just wondering if it was possible to have sound multiplexed from
> different sources. I have a SB 64 and, for exemple, I want to hear bells (like
> the message bell in Licq) when using X11amp.
> 
> When I tried to play several audio files simultaneously, it always answered me
> that he can't open /dev/dsp.
> 
> Is this a linux/kernel/structure problem, or a sound architecture one ?
> Is this a limitation a linux, or is the development planned for this point, or
> does it already exist (in that case, beat me, whip me !) ?

We have big discussion about PCM mixing to exclusive hardware in
alsa-devel mailing list and here are results:

1) ALSA driver willn't have mixing interface in kernel...
2) Mixing should be done in user space...
   Look to EsounD or other sound servers on the net...

							Jaroslav

-----
Jaroslav Kysela <perex@jcu.cz>
Academic Computer Centre, University of South Bohemia
Branisovska 31, C. Budejovice, CZ-370 05 Czech Republic


