[Aspire 5735, Realtek ALC268, Mic, Internal] Background noise and low volume
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
alsa-driver (Ubuntu) |
New
|
Undecided
|
Unassigned |
Bug Description
There is a high background sound covering voice when using internal mic, making it unusable.
If I reduce the mic volume, the problem is the same. It is worse when using amplification.
I haven't this problem withe usb mic.
Evrything was working properly before upgrading to Xenial.
The distribution I'm using is:
DISTRIB_ID=Ubuntu
DISTRIB_
DISTRIB_
DISTRIB_
uname -a
Linux cb-Aspire-5735 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:07:12 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
My computer is Acer Aspire 5735
The sound card is 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03).
The shipset is realtek alc268:
cat /proc/asound/pcm
00-00: ALC268 Analog : ALC268 Analog : playback 1 : capture 1
My version Alsa is
cat /proc/asound/
Advanced Linux Sound Architecture Driver Version k4.4.0-31-generic.
I have edited the file /etc/pulse/
Release: 16.04
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+
ProcVersionSign
Uname: Linux 4.4.0-34-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0c: cb 3322 F...m pulseaudio
/dev/snd/
/dev/snd/timer: cb 3322 f.... pulseaudio
CurrentDesktop: Unity
Date: Fri Aug 26 15:17:23 2016
InstallationDate: Installed on 2016-05-31 (86 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
JournalErrors:
Error: command ['journalctl', '-b', '--priority=
Users in the 'systemd-journal' group can see all messages. Pass -q to
turn off this notice.
No journal files were opened due to insufficient permissions.
PackageArchitec
ProcEnviron:
LANGUAGE=fr_LU:fr
PATH=(custom, no user)
XDG_RUNTIME_
LANG=fr_LU.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_
Symptom_Card: Audio interne - HDA Intel
Symptom_Jack: Mic, Internal
Symptom_
Symptom_Type: High background noise, or volume is too low
Title: [Aspire 5735, Realtek ALC268, Mic, Internal] Background noise or low volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/10/2008
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.08
dmi.board.name: CathedralPeak
dmi.board.vendor: Acer
dmi.board.version: Rev
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.
dmi.modalias: dmi:bvnPhoenixT
dmi.product.name: Aspire 5735
dmi.product.
dmi.sys.vendor: Acer