[SOLVED] Microphone is detected but no sound is recorded

Hello kind folks,
I have recently installed EOS on my ASUS TUF FX505DV laptop, and I have been having issues with the internal microphone and with analog headphone mics being detected but not recording any sound except for some light static.

Just to be clear, I have the most recent versions of all packages and I’m running KDE Plasma. Here are some system data that might be useful:

inxi -Axxx
  Device-1: NVIDIA TU106 High Definition Audio vendor: ASUSTeK
    driver: snd_hda_intel v: kernel pcie: speed: 5 GT/s lanes: 8
    bus-ID: 01:00.1 chip-ID: 10de:10f9 class-ID: 0403
  Device-2: AMD Family 17h/19h HD Audio vendor: ASUSTeK
    driver: snd_hda_intel v: kernel pcie: speed: 8 GT/s lanes: 16
    bus-ID: 05:00.6 chip-ID: 1022:15e3 class-ID: 0403
  Sound Server-1: ALSA v: k5.19.6-arch1-1 running: yes
  Sound Server-2: sndio v: N/A running: no
  Sound Server-3: PulseAudio v: 16.1 running: no
  Sound Server-4: PipeWire v: 0.3.57 running: yes
arecord -l
**** List of CAPTURE Hardware Devices ****
card 1: Generic [HD-Audio Generic], device 0: ALC233 Analog [ALC233 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
~ arecord -vv -f dat /dev/null 
Recording WAVE '/dev/null' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
ALSA <-> PipeWire PCM I/O Plugin
Its setup is:
  stream       : CAPTURE
  access       : RW_INTERLEAVED
  format       : S16_LE
  subformat    : STD
  channels     : 2
  rate         : 48000
  exact rate   : 48000 (48000/1)
  msbits       : 16
  buffer_size  : 24000
  period_size  : 6000
  period_time  : 125000
  tstamp_mode  : NONE
  tstamp_type  : MONOTONIC
  period_step  : 1
  avail_min    : 6000
  period_event : 0
  start_threshold  : 1
  stop_threshold   : 24000
  silence_threshold: 0
  silence_size : 0
  boundary     : 6755399441055744000
#+                                                 | 00%
lsmod |grep hda
snd_hda_codec_realtek   167936  1
snd_hda_codec_generic    98304  1 snd_hda_codec_realtek
ledtrig_audio          16384  1 snd_hda_codec_generic
snd_hda_codec_hdmi     86016  1
snd_hda_intel          61440  2
snd_intel_dspcfg       36864  1 snd_hda_intel
snd_hda_codec         188416  4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_core          118784  5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hwdep              16384  1 snd_hda_codec
snd_pcm               172032  4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd                   126976  16 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm

Alsamixer displaying all devices

(both the internal and the headphone mics are detected and unmuted, but no sound is detected from them).

I have tried several possible fixes to this problem:

  • booting from an LTS kernel does nothing;

  • no result was obtained by tweaking power settings;

  • no result was obtained by applying the required tweaks for my specific chipset in /etc/modprobe.d/modprobe.conf (Realtek ALC233).


arecord --duration=5 --format=dat --device=hw:1,0 test-mic.wav

works, but the only output is static.

Any help would be greatly appreciated.

…is a problematic machine, when it comes to any chipset- and related driver-issues on linux.

Do a web-search for
ASUS TUF snd_hda_intel micophone issue

Turns out, the solution was the right search string away…
From the first result for that search: https://forums.linuxmint.com/viewtopic.php?t=316400
I solved the issue by adding the following line to /etc/modprobe.d/snd-hda-intel-headset.conf and rebooting.
options snd-hda-intel model=dell-headset-multi

GG my man @ivanhoe, sometimes you just gotta teach a noob how to google.

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