Public bug reported:
Binary package hint: pulseaudio
Whenever I try playing more than one stream simultaneously (say
rhythmbox and a flash video on firefox) on my external sound card, the
sound gets very scratchy. This does not happen when I play simultaneous
streams on the computer's internal sound card, or my friend's external
sound card.
If it helps, here's the audio device:
Hardware ID: 0d8c:0006
description: Audio Device
product: USB Audio
vendor: C-Media Electronics, Inc.
physical id: 1
bus info: u...@5:1
version: 0.10
capabilities: usb-1.10 audio-control
configuration: driver=usbhid maxpower=500mA speed=12.0MB/s
ProblemType: Bug
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: aritra 4169 F.... mixer_applet2
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf8400000 irq 22'
Mixer name : 'Realtek ALC268'
Components : 'HDA:10ec0268,103c30cc,00100003
HDA:10573055,10573055,00100700'
Controls : 17
Simple ctrls : 12
Card1.Amixer.info:
Card hw:1 'Audio'/'USB Audio at usb-0000:00:1d.0-1, full speed'
Mixer name : 'USB Mixer'
Components : 'USB0d8c:0006'
Controls : 12
Simple ctrls : 7
DistroRelease: Ubuntu 9.04
NonfreeKernelModules: nvidia
Package: pulseaudio 1:0.9.14-0ubuntu20.1
ProcEnviron:
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: pulseaudio
Uname: Linux 2.6.28-11-generic x86_64
mtime.conffile..etc.pulse.daemon.conf: 2009-05-06T17:54:50.370541
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug
--
Pulseaudio outputs scratchy sound when multiple streams are played
simultaneously
https://bugs.launchpad.net/bugs/372802
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