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** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/818534
Title:
P5KPL Sound card distorced sound with ALSA
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
Hello everyone,
I am experiencing a bug that I never had before with alsa.
Since one year I was using Arch Linux instead of Ubuntu (I love ubuntu
but the bolt and the outdated packages... no for me), and all work,
but when I update to Gnome3 I was experiencing a but with the sound
applet. When I use the keyboard shortcut to level up the sound,
instead of stopping at 100% the sound continues and the 100% is the
100%+14db boost.
That had as effect to distorted the sound, and turning all the sound
incompressible. So, because I didn't had the time to solve and I
really want to come back to Unity again (I can't leave without it
:S)... I was happy to not see the bug (because of the Gnome2 base).
But since yesterday, I am experiencing the same bug, but in another
way.
Let me explain, when using the shortcut of the keyboard to control the
sound, and go to the maximum of the bar, if I look at the sound applet
I really see 100% so thats good... but if I launch alsamixer I see
that he is using 100%+14db... and to have a good sound I have the put
the Master at -40.25db.
My english is horrible, so for you to understand clearly what I am
talking about I made some pictures of my Ubuntu (PS : I have the same
Ubuntu 11.04 in my Asus 1215N and the bug don't exist in there... the
100% for the Master (in alsamixer) is 0db (and not +14db), and the
minimum is -65.25db (and not -40.25db).
Sound at 0% :
http://img18.imageshack.us/img18/6564/soundat0.png
Sound without Amplification :
http://img16.imageshack.us/img16/4599/soundwithnoampli.png
Sound at 100% - Boost:
http://img196.imageshack.us/img196/3722/soundwith100percent.png
Sound with 100% + Boost:
http://img651.imageshack.us/img651/4371/soundboostactivated.png
Thanks in Advance,
Luis Da Costa
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-11.47-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: VT1708B Analog [VT1708B Analog]
Subdevices: 2/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: aliasbody 1446 F.... pulseaudio
/dev/snd/pcmC0D0p: aliasbody 1446 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf9ffc000 irq 44'
Mixer name : 'VIA VT1708B 8-Ch'
Components : 'HDA:1106e721,104382ea,00100100'
Controls : 35
Simple ctrls : 19
Date: Sat Jul 30 15:10:11 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=pt_PT:pt_BR:en
PATH=(custom, no user)
LANG=pt_PT.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/20/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0603
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5KPL-AM
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.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.:bvr0603:bd08/20/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5KPL-AM:rvrx.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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