Public bug reported:
Binary package hint: pulseaudio
I had to comment out this module to get rid of the highly annoying hiss.
The speakers would hiss even when the device is muted, when it has
volume at 0%, when the headphones are connected. The hiss only stops
when something starts playing and the device un-"suspends" (though what
kind of suspend would cause a hiss, not a total silence, I wonder?).
ProblemType: Bug
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0c: victor 10728 F...m pulseaudio
/dev/snd/pcmC0D0p: victor 10728 F...m pulseaudio
/dev/snd/controlC0: victor 1848 F.... kmix
victor 10728 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0x44080000 irq 22'
Mixer name : 'Analog Devices AD1981'
Components : 'HDA:11d41981,11790311,00100200
HDA:11c13026,11790001,00100700'
Controls : 14
Simple ctrls : 12
Date: Sat Nov 14 15:34:48 2009
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Package: pulseaudio 1:0.9.19-0ubuntu4
ProcEnviron:
LANGUAGE=
LANG=ru_RU.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: pulseaudio
Uname: Linux 2.6.31-14-generic i686
XsessionErrors: (polkit-gnome-authentication-agent-1:1868): GLib-CRITICAL **:
g_once_init_leave: assertion `initialization_value != 0' failed
mtime.conffile..etc.pulse.default.pa: 2009-11-14T15:30:43.839874
mtime.conffile..etc.pulse.system.pa: 2009-11-02T21:52:34.929667
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
module-suspend-on-idle causes speakers to hiss
https://bugs.launchpad.net/bugs/482635
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