[Expired for pulseaudio (Ubuntu) because there has been no activity for
60 days.]
** Changed in: pulseaudio (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1247280
Title:
[43192RU, Conexant CX20585, Mic, Internal] Crackling sound
Status in pulseaudio package in Ubuntu:
Expired
Bug description:
Recording through internal microphone produces crackling noise on
playback. This happens regardless of settings for input device using
alsamixer. When using the ubuntu-bug wizard I said the first test
passed because the audio was remarkably better than the 2nd but there
was still minor crackling, so I am not sure how to do some ALSA only
tests to verify the culprit really is PulseAudio, please advise.
Update: I just discovered arecord and did a test. The crackling is
still present with arecord.
Update2: I used set options snd-hda-intel position_fix=2 a second time
and it appears audio is recording correctly now (and saved correctly).
I had it set to 1 for a long time it appears, not sure if I hadn't
added that if it would do the same behaviour of set options snd-hda-
intel position_fix=2.
Tried so far:
https://wiki.ubuntu.com/Audio/PositionReporting
set options snd-hda-intel position_fix=1
load-module module-udev-detect tsched=0
Related issues:
http://askubuntu.com/questions/315282/crackling-sound-from-microphone-recently-in-13-04
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: pulseaudio 1:3.0-0ubuntu6
ProcVersionSignature: Ubuntu 3.8.0-32.47-generic 3.8.13.10
Uname: Linux 3.8.0-32-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: elijah 2775 F.... pulseaudio
/dev/snd/controlC0: elijah 2775 F.... pulseaudio
elijah 11562 F.... alsamixer
Date: Fri Nov 1 17:29:49 2013
InstallationDate: Installed on 2013-06-04 (150 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
ProcEnviron:
TERM=screen
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: pulseaudio
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:MID successful
Symptom_Card: Built-in Audio - HDA Intel MID
Symptom_Jack: Mic, Internal
Symptom_PulseAudioRecordingTest: PulseAudio recording test through plughw:MID
failed
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [43192RU, Conexant CX20585, Mic, Internal] Underruns, dropouts or
crackling sound
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/27/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 6NET74WW (1.34 )
dmi.board.name: 43192RU
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr6NET74WW(1.34):bd10/27/2010:svnLENOVO:pn43192RU:pvrThinkPadW510:rvnLENOVO:rn43192RU:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 43192RU
dmi.product.version: ThinkPad W510
dmi.sys.vendor: LENOVO
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