• Microphone only send buzz sound


    I’m trying to record something using builtin microphone but it only records a buzz sound, when I check sound from gnome setting; input level is to the max (screen shot) and it’s the same in pavucontrol (screnshot 2)
    note that I have same issue on windows but when I connect my headphone the buzz sound stops microphone works just fine

    Screenshot from 2019-03-16 00-26-09.png
    Screenshot from 2019-03-16 00-31-21.png

  • Check settings with alsamixer from terminal… Press [F6] to choose the right card. May post a screenshot of running alsamixer

  • Here is the screenshot from alsamixer

    Screenshot from 2019-03-16 20-39-11.png

  • https://bbs.archlinux.org/viewtopic.php?id=225102

    https://antergos.com/wiki/hardware/getting-informations-on-soundproblems/

    on some soundchips it is helping to disable Auto-Mute or unmute systembeep / mute systembeep

  • Hi
    thanks for help, I’m updating this answer to help any one with same problem/

    1. using script alsa-info.sh in link above generate info file

    2. search for Codec in output (mine was Realtek ALC270)

    3. using this site find a list of models for your codec

    4. create this file using the model found in step 3 (replace laptop-amic with your own model)

    $ cat /etc/modprobe.d/alsa-base.conf
    options snd-hda-intel model=laptop-amic
    
    1. after reboot it my microphone worked fine (it only worked while headphone was connected but that’s good enough for me
microphone14 Posts 5Views 41
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