Looking for a way to verify audio input to my digipi running a Digi rig mobile

[Mike Easter]

Good afternoon everyone, 

    I was looking for a way to verify the audio input to my digipi I custom built an interface cable for my digirig mobile. I've got PTT control but I'm unsure if I'm getting good audio input or not off of the cable. The transceiver I'm using is an icom ic281h so I had to custom make the cable. 

I know that there's alsa mixer but I was wondering if there was a way to at least through the command line see a visual representation of the input audio levels.

Thanks for all the help. 

73

Mike

[Craig]

Hi Mike,  stop all services to free up your audio device, then run this in the Shell,

arecord -vv -f cd -D hw:0,0 /dev/null

it'll show a VU meter.  open/close your squelch to get an idea.


cool,
-craig
KM6LYW

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[Michael Easter]

Just the info I was looking for, thank you sir. I figured it was something you had thought of and baked in, but I don't have a ton of free time to go digging through documentation so I appreciate your patience and quick reply.

Michael Easter

Do not be too moral. You may cheat yourself out of much life. Aim above morality. Be not simply good; be good for something. -Thoreau