[Realtek ALC269] Recording problem

[cybermaxx]

audio playback is OK but NOT recording

Asus EEE PC 1201N with realtek ALC269 (AZALIA AUDIO)
NVIDIA MCP 79
Ubuntu 10.10 Maverick

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: NVidia [HDA NVidia], device 0: ALC269 Analog [ALC269 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: cybermaxx 20481 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'NVidia'/'HDA NVidia at 0xf9f78000 irq 20'
   Mixer name : 'Nvidia MCP79/7A HDMI'
   Components : 'HDA:10ec0269,104383ce,00100004 HDA:10de0007,10de0101,00100100'
   Controls : 14
   Simple ctrls : 7
Date: Sun Jan 9 02:49:29 2011
InstallationMedia: Ubuntu-Netbook 10.10 "Maverick Meerkat" - Release i386 (20101007)
PackageArchitecture: all
ProcEnviron:
 LANG=fr_FR.utf8
 SHELL=/bin/bash
SelectedCard: 0 NVidia HDA-Intel - HDA NVidia
SourcePackage: alsa-driver
Symptom: audio
Title: [Realtek ALC269] Recording problem
dmi.bios.date: 04/29/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0326
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 1201N
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer INC.
dmi.chassis.version: x.x
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0326:bd04/29/2010:svnASUSTeKComputerINC.:pn1201N:pvrx.x:rvnASUSTeKComputerINC.:rn1201N:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
dmi.product.name: 1201N
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK Computer INC.

[Marco Chiappetta (mardurhack)]

Have you tried this?
1) open a terminal and type "alsamixer" (without quotes), press Enter.
2) The Alsa Mixer will appear, press F4 and go (with arrows) to the Capture slide on the right.
3) keep pressed Z until the left slide is at 0 then keep pressed E until the right slide is at 100.
4) Try to record through the integrated microphone.

A Graphical alternative is to use the Pulse Audio Control (pavucontrol) and do the same thing.

You have to keep the right and left channels unsynchronized. Hope I was clear enough! :)

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for alsa-driver (Ubuntu) because there has been no activity for 60 days.]