What is the proper way to declare the built-in microphone as mono?












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I had some strange issues with the built-in microphone on a Lenovo Ideapad laptop under Lnux Mint 19.1. For example, it was not working with Skype, but was working with Gnome Sound Recorder. The microphone input volume indicator in Sound configuration window was also acting strangely and seemed mostly insensitive to sounds.



I could fix the issue by using PulseAudio Volume Control and disabling one of the two microphone "channels" as suggested in Ubuntu Help wiki or elsewhere:
enter image description here



I believe that the built-in microphone is mono, so I would like to configure it as mono and not to have to manually disable one of the two "input channels." Moreover, changing the input volume in system's Sound configuration window breaks the workaround, and one of the "channels" has to be disabled through the PulseAudio Volume Control again.










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    I had some strange issues with the built-in microphone on a Lenovo Ideapad laptop under Lnux Mint 19.1. For example, it was not working with Skype, but was working with Gnome Sound Recorder. The microphone input volume indicator in Sound configuration window was also acting strangely and seemed mostly insensitive to sounds.



    I could fix the issue by using PulseAudio Volume Control and disabling one of the two microphone "channels" as suggested in Ubuntu Help wiki or elsewhere:
    enter image description here



    I believe that the built-in microphone is mono, so I would like to configure it as mono and not to have to manually disable one of the two "input channels." Moreover, changing the input volume in system's Sound configuration window breaks the workaround, and one of the "channels" has to be disabled through the PulseAudio Volume Control again.










    share|improve this question

























      0












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      0







      I had some strange issues with the built-in microphone on a Lenovo Ideapad laptop under Lnux Mint 19.1. For example, it was not working with Skype, but was working with Gnome Sound Recorder. The microphone input volume indicator in Sound configuration window was also acting strangely and seemed mostly insensitive to sounds.



      I could fix the issue by using PulseAudio Volume Control and disabling one of the two microphone "channels" as suggested in Ubuntu Help wiki or elsewhere:
      enter image description here



      I believe that the built-in microphone is mono, so I would like to configure it as mono and not to have to manually disable one of the two "input channels." Moreover, changing the input volume in system's Sound configuration window breaks the workaround, and one of the "channels" has to be disabled through the PulseAudio Volume Control again.










      share|improve this question













      I had some strange issues with the built-in microphone on a Lenovo Ideapad laptop under Lnux Mint 19.1. For example, it was not working with Skype, but was working with Gnome Sound Recorder. The microphone input volume indicator in Sound configuration window was also acting strangely and seemed mostly insensitive to sounds.



      I could fix the issue by using PulseAudio Volume Control and disabling one of the two microphone "channels" as suggested in Ubuntu Help wiki or elsewhere:
      enter image description here



      I believe that the built-in microphone is mono, so I would like to configure it as mono and not to have to manually disable one of the two "input channels." Moreover, changing the input volume in system's Sound configuration window breaks the workaround, and one of the "channels" has to be disabled through the PulseAudio Volume Control again.







      linux-mint audio pulseaudio laptop microphone






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      asked 18 mins ago









      Alexey

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      4901719



























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