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Message #76850
[Bug 441195] Re: [karmic][lucid] Intel HDA 82801G (ICH7) | STAC9200 - Mixer controlling wrong settings
That version is no more supported
** Changed in: pulseaudio (Ubuntu)
Status: New => Invalid
** Changed in: pulseaudio
Importance: Unknown => Undecided
** Changed in: pulseaudio
Remote watch: PulseAudio sound server #457 => None
** Changed in: pulseaudio
Status: New => Invalid
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https://bugs.launchpad.net/bugs/441195
Title:
[karmic][lucid] Intel HDA 82801G (ICH7) | STAC9200 - Mixer controlling
wrong settings
Status in PulseAudio sound server:
Invalid
Status in linux package in Ubuntu:
Invalid
Status in pulseaudio package in Ubuntu:
Invalid
Bug description:
Binary package hint: pulseaudio
Hi, this might not be a bug in pulseaudio but I wasn't sure of the
right package for this.
Basically each of the volume controls in gnome seem to control the
wrong mixer channel.
The exact device ID is:
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)
00:1b.0 0403: 8086:27d8 (rev 01)
Sliding the volume control with alsamixer open, I see behaviour where
at the top 80% of the volume range, the Master level is changed from 0
to 100%. In the ~5% or so below that, the LFE level is changed from 0
to 100%. In the bottom ~15%, the PCM level is dropped.
This seems like quite deliberate behaviour, but for this laptop it is
entirely inappropriate. Between the 15% and 20% setting for instance
the subwoofer speaker goes from 0% to 100%, with the treble speakers
off. It sounds *awful*!
More appropriate behaviour for this laptop is to have LFE at ~100% and
Master at ~85%, and then just changing PCM between about 100% and 25%
will give good levels for most environments. Alternatively, you can
adjust both LFE and Master together - ideally with LFE slightly higher
than Master - and leave PCM on high and this will achieve a similar
effect.
ProblemType: Bug
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: samv 1781 F.... pulseaudio
/dev/snd/pcmC0D0p: samv 1781 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xefffc000 irq 21'
Mixer name : 'SigmaTel STAC9200'
Components : 'HDA:83847690,102801cd,00102201 HDA:14f12bfa,14f100c3,00090000'
Controls : 13
Simple ctrls : 7
Date: Sat Oct 3 21:53:10 2009
DistroRelease: Ubuntu 9.10
Package: pulseaudio 1:0.9.18-0ubuntu3
ProcEnviron:
LANG=en_NZ.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-11.36-generic
SourcePackage: pulseaudio
Uname: Linux 2.6.31-11-generic x86_64
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