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
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