do you mean the recorded singal is too low ?
use alsamixer to make sure that pa does not chane the mic boost or mute
the capture volume
can you record from hw:0,0 instead of default ?
there is only internal mic at node 0x12 and there is no mic jack pin complex
no int mic phantom jack kcontrol and only mic boost volume
analog-input-microphone: Microphone (priority 8700, available: unknown)
properties:
Node 0x12 [Pin Complex] wcaps 0x40000b: Stereo Amp-In
Control: name="Mic Boost Volume", index=0, device=0
ControlAmp: chs=3, dir=In, idx=0, ofs=0
Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x2f, mute=0
Amp-In vals: [0x03 0x03]
Pincap 0x00000020: IN
Pin Default 0x90a60930: [Fixed] Mic at Int N/A
Conn = Digital, Color = Unknown
DefAssociation = 0x3, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x20: IN
post pulseaudio log to find out why the fallback port is added
https://wiki.ubuntu.com/PulseAudio/Log
analog-input: Analog Input (priority 10000, available: unknown)
properties:
A fallback for devices that lack separate Mic/Line/Aux/Video/TV
; Tuner/FM elements
http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/paths/analog-input.conf
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https://bugs.launchpad.net/bugs/1070325
Title:
[UX31A, Realtek ALC269VB, Mic, Internal] No sound at all
Status in “alsa-driver” package in Ubuntu:
New
Bug description:
On Asus UX31A, Ubuntu 12.10, it is impossible to record anything from
the internal microphone.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: alsa-base 1.0.25+dfsg-0ubuntu3
Uname: Linux 3.5.3-030503-generic i686
ApportVersion: 2.6.1-0ubuntu3
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jpic 2346 F.... pulseaudio
CurrentDmesg: Aborted (core dumped)
Date: Tue Oct 23 14:34:34 2012
InstallationMedia: This
PackageArchitecture: all
ProcEnviron:
TERM=rxvt-unicode
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/zsh
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jpic 2346 F.... pulseaudio
Symptom_Jack: Mic, Internal
Symptom_Type: No sound at all
Title: [UX31A, Realtek ALC269VB, Mic, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/03/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: UX31A.212
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: UX31A
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrUX31A.212:bd08/03/2012:svnASUSTeKCOMPUTERINC.:pnUX31A:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX31A:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: UX31A
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
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