Having a similar issue on Linux Mint Debian like #51. Haven't tested it
yet with VLC, but making calls through Google Mail/Voice is crackling
ferociously.
$ lspci | grep -i audio
00:14.2 Audio device: Advanced Micro Devices [AMD] nee ATI SBx00 Azalia (Intel
HDA) (rev 40)
06:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI Cayman/Antilles HDMI
Audio [Radeon HD 6900 Series]
#23 fixed it.
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https://bugs.launchpad.net/bugs/751265
Title:
pulseaudio distorts VLC audio
Status in “pulseaudio” package in Ubuntu:
Confirmed
Bug description:
Binary package hint: pulseaudio
Audio quality full of hiss (similar to what it might sound like if you pulled
your headphone/speaker plug out halfway). The hiss distortion is constant and
affects all VLC 1.1.8 audio. True for all audio sources: internet stream, mp3,
cd, flv, etc.
Problem occurred on a clean install of Ubuntu 11.04 beta (32-bit) using only
the included repositories, and updated as of today's date. Pulseaudio version:
1:0.9.22+stable-queue-24-g67d18-0ubuntu2
Disabling pulseaudio allows VLC to play cleanly. Have not observed audio
distortion with other players using pulseaudio.
Would like to see VLC operate properly with pulseaudio. I had no issues on
same machine using Ubuntu 10.10 and VLC 1.1.4.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: pulseaudio 1:0.9.22+stable-queue-24-g67d18-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/pcmC0D0p: blaine 2039 F...m vlc
Card0.Amixer.info:
Card hw:0 'Audigy2'/'SB Audigy 2 [SB0350b] (rev.4, serial:0x20061102) at
0xcc80, irq 19'
Mixer name : 'SigmaTel STAC9750,51'
Components : 'AC97a:83847650'
Controls : 211
Simple ctrls : 46
Card1.Amixer.info:
Card hw:1 'U0x46d0x8ca'/'USB Device 0x46d:0x8ca at usb-:00:1d.7-6, high
speed'
Mixer name : 'USB Mixer'
Components : 'USB046d:08ca'
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 - 3072
Mono: Capture 0 [0%] [18.00dB] [off]
Card2.Amixer.info:
Card hw:2 'Generic'/'HD-Audio Generic at 0xefddc000 irq 43'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100200'
Controls : 4
Simple ctrls : 1
Card2.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Tue Apr 5 06:32:13 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110330)
ProcEnviron:
LANGUAGE=en_US:en
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: pulseaudio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/08/2007
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A07
dmi.board.name: 0HJ054
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA07:bd01/08/2007:svnDellInc.:pnDellDM051:pvr:rvnDellInc.:rn0HJ054:rvr:cvnDellInc.:ct6:cvr:
dmi.product.name: Dell DM051
dmi.sys.vendor: Dell Inc.
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