with Intel UHD graphic card as well as Nvidia GEFORCE RTX. I had difficult to get Microphone working and seeking some help.
Thank you in advance.
These are the testing steps I tried:
(1)
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kflee@Acer-Predator:~$ inxi -Fxxz |grep ALSA
Sound Server-1: ALSA v: k5.15.0-100-generic running: yes
kflee@Acer-Predator:~$
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Audio:
Device-1: Intel vendor: Acer Incorporated ALI driver: snd_hda_intel
v: kernel bus-ID: 0000:00:1f.3 chip-ID: 8086:7a50
Device-2: NVIDIA vendor: Acer Incorporated ALI driver: snd_hda_intel
v: kernel bus-ID: 0000:01:00.1 chip-ID: 10de:22be
Sound Server-1: ALSA v: k5.15.0-100-generic running: yes
Sound Server-2: PulseAudio v: 15.99.1 running: yes
Sound Server-3: PipeWire v: 0.3.48 running: yes
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root@Acer-Predator:/etc/pulse# arecord -l
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC245 Analog [ALC245 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 2: ALC245 Alt Analog [ALC245 Alt Analog]
Subdevices: 3/3
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
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kflee@Acer-Predator:~$ arecord -f cd -d 10 --device="hw:0,0" /tmp/test-mic.wav
Recording WAVE '/tmp/test-mic.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
Warning: rate is not accurate (requested = 44100Hz, got = 48000Hz)
please, try the plug plugin
(4)
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kflee@Acer-Predator:~$ aplay /tmp/test-mic.wav
^?