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How to test microphone with Audio Linux Sound Architecture ...
https://linuxconfig.org/how-to-test-microphone-with-audio-linux-sound-architecture-alsa#:~:text=Next%20record%20a%20short%2010%20seconds%20audio%20by,the%20arecord%20-l%20output%20in%20the%20previous%20step.
Ubuntu Manpage: speaker-test - command-line speaker test ...
https://manpages.ubuntu.com/manpages/trusty/man1/speaker-test.1.html
Produce stereo sound from one stereo jack: speaker-test -Dplug:front -c2 Produce 4 speaker sound from two stereo jacks: speaker-test -Dplug:surround40 -c4 Produce 5.1 speaker sound from three stereo jacks: speaker-test -Dplug:surround51 -c6 To send a nice low 75Hz tone to the Woofer and then exit without touching any other speakers: speaker-test -Dplug:surround51 -c6 …
How to test microphone on Ubuntu 20.04 Focal Fossa - …
https://linuxconfig.org/how-to-test-microphone-on-ubuntu-20-04-focal-fossa
Test microphone from command line First, step is to list all avaiable microphone devices. Open up your terminal window and enter the following command: $... Next record a short 10 seconds audio by using the following command: $ sudo arecord -f S16_LE -d 10 -r 16000... Now confirm that the microphone ...
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