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ALSA and Dmix

I am trying to set Dmix up correctly to work with ALSA to allow multiple
audio apps to function at the same time, i am using debian unstable and
have the latest alsa libs installed. when i do this:
keir@debian:~/Desktop/Music/Radiohead/Itch$ alsaplayer -o alsa -d
plug:dmix 01\ -\ Radiohead\ -\ Stop\ Whispering\ \(US\ Version\).mp3 

i get stuttering audio - despite not having anything else producing
audio in the background 

My /etc/asound.conf looks like this:
pcm.card0 {
type hw
card 0

pcm.!default {
type plug
slave.pcm "dmixer"


pcm.dmixer {
type dmix
ipc_key 1025
slave {
pcm "hw:0,0"
period_time 0
period_size 1024
buffer_size 4096
periods 128
rate 44100
bindings {
0 0
1 1

Keir Lawson

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