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** Changed in: alsa-driver (Ubuntu)
Status: Triaged => Incomplete
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https://bugs.launchpad.net/bugs/548707
Title:
SSV 0x1458 needs numsteps cap to 0 dB offset
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
Binary package hint: pulseaudio
On Lucid I am finding my sound easily distorts with the volume set to
30% or less. I found a blog post at
http://phronetic.wordpress.com/2009/10/30/loud-and-distorted-sound-in-
ubuntu-9-10/ and observed that the PCM in alsamixer was always at
100%. I followed the change described in the post and changed:
volume = merge
to
volume = ignore
Then restarted pulseaudio and the sound no longer distorts.
ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: insanity 8111 F.... pulseaudio
/dev/snd/pcmC0D0p: insanity 8111 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfc100000 irq 22'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,1458e601,00100001'
Controls : 40
Simple ctrls : 22
CheckboxSubmission: 627843f773788cb8684bdb11b1715f9c
CheckboxSystem: 9038dc5b445882e24b06ebe5cf05c9fc
Date: Fri Mar 26 21:34:54 2010
DistroRelease: Ubuntu 10.04
NonfreeKernelModules: nvidia
Package: pulseaudio 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu12
[modified: usr/share/pulseaudio/alsa-mixer/paths/analog-output.conf.common]
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
SourcePackage: pulseaudio
Uname: Linux 2.6.32-17-generic x86_64
mtime.conffile..etc.pulse.default.pa: 2010-02-20T22:57:37.213481
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: insanity 8111 F.... pulseaudio
/dev/snd/pcmC0D0p: insanity 8111 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfc100000 irq 22'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,1458e601,00100001'
Controls : 40
Simple ctrls : 22
CheckboxSubmission: 627843f773788cb8684bdb11b1715f9c
CheckboxSystem: 9038dc5b445882e24b06ebe5cf05c9fc
DistroRelease: Ubuntu 10.04
NonfreeKernelModules: nvidia
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
Tags: lucid
Uname: Linux 2.6.32-17-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare users
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: insanity 2446 F.... pulseaudio
insanity 2468 F.... alsamixer
/dev/snd/pcmC0D0p: insanity 2446 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfc100000 irq 22'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,1458e601,00100001'
Controls : 40
Simple ctrls : 22
CheckboxSubmission: 627843f773788cb8684bdb11b1715f9c
CheckboxSystem: 9038dc5b445882e24b06ebe5cf05c9fc
DistroRelease: Ubuntu 10.04
NonfreeKernelModules: nvidia
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
Tags: lucid
Uname: Linux 2.6.32-17-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare users
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: insanity 1663 F.... pulseaudio
insanity 5821 F.... alsamixer
/dev/snd/pcmC0D0p: insanity 1663 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfc100000 irq 22'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,1458e601,00100001'
Controls : 40
Simple ctrls : 22
CheckboxSubmission: 627843f773788cb8684bdb11b1715f9c
CheckboxSystem: 9038dc5b445882e24b06ebe5cf05c9fc
DistroRelease: Ubuntu 10.04
NonfreeKernelModules: nvidia
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
Tags: lucid
Uname: Linux 2.6.32-17-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare users
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