[System Product Name, Analog Devices AD1988B, Green Headphone Out, Front] Sound is weird

[DarkRedman]

Hi everyone, I'm reporting that but because i've a bug with the sound server. When I'm on stereo playing, no problem if I lower the sound. But with 5.1, if the sound is less than 100% it just add a very light white noise, a bit like the wind under the door, but the sound is not crackiling and doesn't have any distorsion.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-10.46-generic-pae 2.6.38.7
Uname: Linux 2.6.38-10-generic-pae i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: manuel 1776 F.... pulseaudio
 /dev/snd/controlC0: manuel 1776 F.... pulseaudio
 /dev/snd/pcmC0D0p: manuel 1776 F...m pulseaudio
Card0.Amixer.info:
 Card hw:0 'NVidia'/'HDA NVidia at 0xfe020000 irq 21'
   Mixer name : 'Nvidia MCP77/78 HDMI'
   Components : 'HDA:11d4198b,1043829b,00100400 HDA:10de0002,10de0101,00100000'
   Controls : 48
   Simple ctrls : 26
Card1.Amixer.info:
 Card hw:1 'U0x46d0x81b'/'USB Device 0x46d:0x81b at usb-0000:00:02.1-1, high speed'
   Mixer name : 'USB Mixer'
   Components : 'USB046d:081b'
   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 - 6144
   Mono: Capture 6144 [100%] [30.00dB] [on]
Date: Mon Jul 25 06:48:59 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110413)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=fr_FR:en
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:NVidia successful
Symptom_Card: Audio interne - HDA NVidia
Symptom_Jack: Green Headphone Out, Front
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: Digital clip or distortion, or "overdriven" sound
Title: [System Product Name, Analog Devices AD1988B, Green Headphone Out, Front] Sound is distorted
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/26/2008
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: ASUS M3N-HT Deluxe ACPI BIOS Revision 1301
dmi.board.name: M3N-HT DELUXE
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: 1.XX
dmi.chassis.asset.tag: 123456789000
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvrASUSM3N-HTDeluxeACPIBIOSRevision1301:bd08/26/2008:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM3N-HTDELUXE:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

[Raymond (superquad-vortex2)]

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[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for alsa-driver (Ubuntu) because there has been no activity for 60 days.]