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** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/715020
Title:
[Realtek ALC1200] Playback problem
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
Playback is distorted and cracky. I noticed that when I have alsamixer
open, and I change the volume with gnome-panel or my keyboard's volume
buttons, the PCM volume changes along with the Master volume. Playback
sounds properly when PCM is set around 81 (just below the red level).
But changing the volume globally changes the PCM also. I also noticed
that ALC1200 isn't listed in the supported devices on
http://www.kernel.org/doc/Documentation/sound/alsa/HD-Audio-Models.txt
. I've also attached the output from alsa-info.sh.
Hope all this is useful!
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-25.44-generic 2.6.35.10
Uname: Linux 2.6.35-25-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: quaff 2730 F.... pulseaudio
/dev/snd/controlC0: quaff 2730 F.... pulseaudio
/dev/snd/pcmC0D0p: quaff 2730 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf9ff8000 irq 44'
Mixer name : 'Realtek ALC1200'
Components : 'HDA:10ec0888,104382fe,00100101'
Controls : 40
Simple ctrls : 22
Card1.Amixer.info:
Card hw:1 'U0x46d0x8b1'/'USB Device 0x46d:0x8b1 at usb-0000:00:1d.2-1, full
speed'
Mixer name : 'USB Mixer'
Components : 'USB046d:08b1'
Controls : 2
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'Mic',0
Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
Capture channels: Mono
Limits: Capture 0 - 3
Mono: Capture 2 [67%] [50.00dB] [off]
Date: Mon Feb 7 22:36:21 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
ProcEnviron:
LANG=en_CA.utf8
SHELL=/bin/bash
SelectedCard: 0 Intel HDA-Intel - HDA Intel
SourcePackage: alsa-driver
Symptom: audio
Title: [Realtek ALC1200] Playback problem
dmi.bios.date: 11/28/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0902
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5QL PRO
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0902:bd11/28/2008:svnSystemmanufacturer:pnP5QLPRO:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5QLPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5QL PRO
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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