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Old 06-08-2006, 05:47 PM   #1
LQ Newbie
Registered: Jun 2005
Location: New Jersey
Distribution: Slackware, Ubuntu, Fedora
Posts: 22

Rep: Reputation: 15
Question Sound problem with Powerbook running Ubuntu

I have installed Ubuntu Dapper on a Powerbook (G4 500mhz), and the sound is garbled. Listening to music with Rhythmbox is impossible. After searching Google, I tried using a .asoundrc file to play with the buffer settings, but the sound was still all over the place. I found another forum post stating that using OSS emulation would work, I tried this with amaroK, and while this combined with the .asoundrc file improves playback significantly, I still get enough gaps in the audio to make it a problem for music.
The card was detected as a "Power Mac screamer", although curiosly, it stopped showing up as my default soundcard under System->Preferences->Sound (which is now blank).
Here is my .asoundrc file:
pcm.dsp {
    type plug
    slave.pcm "dmixer"

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

ctl.!default {
	type hw           
	card 0

pcm.dmixer  {
	type dmix
	ipc_key 1024
	slave {
	    pcm "hw:0,0"
	    period_time 0
            buffer_time 1360000 
	    buffer_size 32768
            rate 44100
            period_size 1024
	bindings {
	    0 0
	    1 1
    ctl.dmixer {
	type hw
	card 0


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