PulseAudio overuses 'Boost' control of microphone input producing bad audio quality
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
pulseaudio (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
Om my notebook PulseAudio detects 2 ports on embedded sound card:
1) analog-
2) analog-
PulseAudio module "module-
This behavior seems right.
However, if I record sound with auto selected port, audio quality is very poor. There is loud noise in background. But if I switch to "wrong" port audio quality becomes great. E.g. I have to manually select "analog-
Example of record:
http://
This record is made via headset microphone. During first half of record source port analog-
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: pulseaudio 1:2.1-0ubuntu4
ProcVersionSign
Uname: Linux 3.5.0-18-generic x86_64
ApportVersion: 2.6.1-0ubuntu6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
Date: Sat Dec 1 16:34:31 2012
InstallationDate: Installed on 2012-07-01 (152 days ago)
InstallationMedia: Xubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MarkForUpload: True
SourcePackage: pulseaudio
UpgradeStatus: Upgraded to quantal on 2012-10-21 (40 days ago)
dmi.bios.date: 04/03/2012
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 06QB
dmi.board.
dmi.board.name: 300E4Z/
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: FAB1
dmi.chassis.
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.
dmi.modalias: dmi:bvnPhoenixT
dmi.product.name: 300E4Z/
dmi.product.
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
Changed in pulseaudio (Ubuntu): | |
status: | New → Confirmed |
Changed in pulseaudio (Ubuntu): | |
status: | Fix Committed → Fix Released |
post the pulseaudio verbose log when you plug and unplug the mic
did pulseaudio retain the total dB (Capture Volume + Boost) ?
Simple mixer control 'Mic Boost',0
Capabilities: volume penum
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: 0 - 3
Front Left: 0 [0%] [0.00dB]
Front Right: 0 [0%] [0.00dB]
Simple mixer control 'Internal Mic Boost',0
Capabilities: volume penum
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: 0 - 3
Front Left: 3 [100%] [36.00dB]
Front Right: 3 [100%] [36.00dB]