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Old 04-10-2004, 10:03 PM   #1
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how can multi program share one sound card

i'm using Debian ,gnome 2.4 with esd
alsa drivers 1.0.3 with utils and libs
onboard sound controller:intel845 82801BA ,ac97 realtek ALC650
i can user the mixer and tune the sound
but only one program can user the /dev/dsp at the same time
so how can i make serveral program using sound device at the same time?
Old 04-11-2004, 08:05 AM   #2
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There are two ways around this. Method one is the dmixer plugin for ALSA. Have a look at the ALSA WIKI and it gives pretty good instructions there. The drawback is that it only works for ALSA-aware apps (like mplayer or xmms). Programs with OSS output will claim exclusive access to you sound card as before.

Method two is employing the use of a sound server. Some sound servers include esd, arts, yiff and jack. Of these, jack is the highest quality and lowest latency but I think it may not be supported by some programs. From what I've been told, arts is very bad and a good thing to stay away from. It is, however very widely supported.


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