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Question Microphone from headphone does not work (and crackling sound)

uiytt

New member
Jun 4, 2020
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0
4
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Hi,
I'm using a headphone with a mic. The output sound works fine but I can't figure out how to make my mic work.
I'm on Omen Hp with a dual boot windows. My Pop os version is 20.4
After looking a lot through some forums here is some information I found :
My sound cart is a Realtek ALC295, I found no info about it in '/usr/share/doc/alsa-base/driver/HD-Audio-Models.txt.gz'
Here is my alsamixer :
alsamixer.png

Reinstalling alsa and pulseaudio seems to do nothing. pavucontrol doesn't seems to help, but it seems that on pavucontrol, the mic is detected as plugged in when it's plugged in.

I also run 'sudo lshw -c sound' for more information :
Code:
*-multimedia             
       description: Audio device
       produit: GP107GL High Definition Audio Controller
       fabricant: NVIDIA Corporation
       identifiant matériel: 0.1
       information bus: pci@0000:01:00.1
       version: a1
       bits: 32 bits
       horloge: 33MHz
       fonctionnalités: pm msi pciexpress bus_master cap_list
       configuration : driver=snd_hda_intel latency=0
       ressources : irq:17 mémoire:df080000-df083fff
  *-usb:0
       description: Vidéo
       produit: HP Wide Vision HD Camera
       fabricant: Chicony
       identifiant matériel: 6
       information bus: usb@1:6
       version: 32.22
       fonctionnalités: usb-2.00
       configuration : driver=uvcvideo maxpower=500mA speed=480Mbit/s
  *-multimedia
       description: Audio device
       produit: CM238 HD Audio Controller
       fabricant: Intel Corporation
       identifiant matériel: 1f.3
       information bus: pci@0000:00:1f.3
       version: 31
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: pm msi bus_master cap_list
       configuration : driver=snd_hda_intel latency=32
       ressources : irq:140 mémoire:dff28000-dff2bfff mémoire:dff00000-dff0ffff

I know I can make it work because on the same computer when I had Pop os 19.4, I found a workaround for it. Unfortunately, I don't remember how I did it !

Can someone please help or give me an idea of where to look for ? I passed most of my night trying to found a solution online :(
Thanks
 

derpOmattic

Pop!_Muse
Trusted User
Founding Member
Nov 23, 2018
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You can see it in Settings > sound? Check for the input device. Ensure the slider is on and the sensitivity is right. It may also be a setting inside the program you're trying to use. Just throwing things out there to possibly jog your memory. Someone recently fixed some sound issues by reinstalling the drivers and then enabling it in alsa again.
 

uiytt

New member
Jun 4, 2020
8
0
4
25
You can see it in Settings > sound? Check for the input device. Ensure the slider is on and the sensitivity is right. It may also be a setting inside the program you're trying to use. Just throwing things out there to possibly jog your memory. Someone recently fixed some sound issues by reinstalling the drivers and then enabling it in alsa again.
Sometime, I really hate myself, when after looking during 4-5 hours for solution online, I realise that I just forgot to check in the default settings if maybe my mic is down to 0%

I want to die of shame 😓
 

uiytt

New member
Jun 4, 2020
8
0
4
25
Ok so basically,
I have a constant crackling sound from my mic, I managed to make it a bit more bearable by adding this two line in /etc/modprobe.d/alsa-base.conf :
Code:
options snd-hda-intel position_fix=1
options snd-hda-intel model=3stack,alc295-hp-x360,auto
(I think it changed the crackling sound but I'm not 100% sure)

I tried changing load-module module-udev-detect to load-module module-udev-detect tsched=0 in /etc/pulse/default.pa but it didn't work.

This is what I'm getting when I'm doing : dmesg | grep hda
Code:
[    4.720848] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040380
[    4.720870] snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)
[    4.721523] snd_hda_intel 0000:00:1f.3: Applying patch firmware 'hda-jack-retask.fw'
[    4.721643] snd_hda_intel 0000:01:00.1: enabling device (0000 -> 0002)
[    4.721727] snd_hda_intel 0000:01:00.1: Disabling MSI
[    4.721734] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client
[    4.721743] snd_hda_intel 0000:01:00.1: Applying patch firmware 'hda-jack-retask.fw'
[    4.722014] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[    4.875819] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC295: line_outs=1 (0x17/0x0/0x0/0x0/0x0) type:speaker
[    4.875821] snd_hda_codec_realtek hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[    4.875822] snd_hda_codec_realtek hdaudioC0D0:    hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
[    4.875823] snd_hda_codec_realtek hdaudioC0D0:    mono: mono_out=0x0
[    4.875824] snd_hda_codec_realtek hdaudioC0D0:    inputs:
[    4.875825] snd_hda_codec_realtek hdaudioC0D0:      Mic=0x19
[    4.875826] snd_hda_codec_realtek hdaudioC0D0:      Mic=0x1b
[    4.875827] snd_hda_codec_realtek hdaudioC0D0:      Internal Mic=0x12
I tried modifying pin0x19 and pin 0x1b to see if one of them didn't cause a problem using : hdajackretask from alsa-tools.

I also tried modifying the default sample rate to 96k in /etc/pulse/daemon.conf

I can't find any other possible solution online :(
Does someone have an idea of how to solve that ?
Thanks ^^
 

Attachments

Mr.D

New member
Jun 10, 2020
5
1
4
39
Sometime, I really hate myself, when after looking during 4-5 hours for solution online, I realise that I just forgot to check in the default settings if maybe my mic is down to 0%

I want to die of shame 😓
Is all good. I've been there.
 

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