[Pkg-pulseaudio-devel] Bug#551194: pulseaudio: Noise when only one app is using PA

Roland Mas lolando at debian.org
Fri Oct 16 13:28:00 UTC 2009

Package: pulseaudio
Version: 0.9.19-1
Severity: normal

I'm getting lots of noise over my music when only one app is playing sound.
Starting another player shuts that noise down and the sound becomes clear
again, even if that other player is muted in the PA per-application mixer.
The sound stays clear even with more than two apps running.

There also seems to be one "magic" value for the volume where I get clear
sound even with only one application.  Found by trial and error.

The apps I used for testing were XMMS2, totem and Xine.

roland at mirexpress ~ $ lspci | grep -i audio
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50)
roland at mirexpress ~ $ lsmod | grep snd
snd_via82xx            20692  4 
snd_ac97_codec         91264  1 snd_via82xx
ac97_bus                1456  1 snd_ac97_codec
snd_pcm                62396  3 snd_via82xx,snd_ac97_codec
snd_page_alloc          8180  2 snd_via82xx,snd_pcm
snd_mpu401_uart         6124  1 snd_via82xx
snd_seq_midi            5688  0 
snd_rawmidi            18596  2 snd_mpu401_uart,snd_seq_midi
snd_seq_midi_event      6212  1 snd_seq_midi
snd_seq                42436  2 snd_seq_midi,snd_seq_midi_event
snd_timer              17436  2 snd_pcm,snd_seq
snd_seq_device          6136  3 snd_seq_midi,snd_rawmidi,snd_seq
gameport               10248  4 analog,snd_via82xx,ns558
snd                    49060  15 snd_via82xx,snd_ac97_codec,snd_pcm,snd_mpu401_uart,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore               6184  1 snd

-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.30-2-686 (SMP w/1 CPU core)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages pulseaudio depends on:
ii  adduser                     3.111        add and remove users and groups
ii  consolekit                  0.3.1-1      framework for defining and trackin
ii  libasound2                  1.0.21a-1    shared library for ALSA applicatio
ii  libasyncns0                 0.3-1        Asyncronous name service query lib
ii  libc6                       2.9-27       GNU C Library: Shared libraries
ii  libcap2                     1:2.17-1     support for getting/setting POSIX.
ii  libdbus-1-3                 1.2.16-2     simple interprocess messaging syst
ii  libflac8                    1.2.1-2+b1   Free Lossless Audio Codec - runtim
ii  libgdbm3                    1.8.3-7      GNU dbm database routines (runtime
ii  libice6                     2:1.0.5-1    X11 Inter-Client Exchange library
ii  libltdl7                    2.2.6a-4     A system independent dlopen wrappe
ii  libogg0                     1.1.4~dfsg-1 Ogg bitstream library
ii  libpulse0                   0.9.19-1     PulseAudio client libraries
ii  libsamplerate0              0.1.7-3      Audio sample rate conversion libra
ii  libsm6                      2:1.1.1-1    X11 Session Management library
ii  libsndfile1                 1.0.20-3     Library for reading/writing audio 
ii  libspeexdsp1                1.2~rc1-1    The Speex extended runtime library
ii  libudev0                    146-5        libudev shared library
ii  libvorbis0a                 1.2.3-3      The Vorbis General Audio Compressi
ii  libvorbisenc2               1.2.3-3      The Vorbis General Audio Compressi
ii  libwrap0                    7.6.q-18     Wietse Venema's TCP wrappers libra
ii  libx11-6                    2:1.2.2-1    X11 client-side library
ii  libxtst6                    2:1.0.3-1    X11 Testing -- Resource extension 
ii  lsb-base                    3.2-23       Linux Standard Base 3.2 init scrip
ii  udev                        146-5        /dev/ and hotplug management daemo

Versions of packages pulseaudio recommends:
ii  gstreamer0.10-pulseaudio      0.10.16-3  GStreamer plugin for PulseAudio
ii  libasound2-plugins            1.0.21-1   ALSA library additional plugins
ii  pulseaudio-esound-compat      0.9.19-1   PulseAudio ESD compatibility layer
ii  pulseaudio-module-x11         0.9.19-1   X11 module for PulseAudio sound se

Versions of packages pulseaudio suggests:
pn  paman                         <none>     (no description available)
pn  paprefs                       <none>     (no description available)
pn  pavucontrol                   <none>     (no description available)
pn  pavumeter                     <none>     (no description available)
ii  pulseaudio-utils              0.9.19-1   Command line tools for the PulseAu

-- no debconf information

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