New user with an ICUSBAUDIO7D

Alan Corey <[email protected]>
Newsgroups gmane.linux.alsa.user
Message-ID <CAOh3dDYyfjAQZ=a66VUZT=qbdkFv1oKOpdbqc55D_qjcxWTp4g@mail.gmail.com>
I have a StarTech ICUSBAUDIO7D
https://www.startech.com/Cards-Adapters/Sound/USB-Audio/USB-7-Channel-Audio-Adapter-with-SPDIF~ICUSBAUDIO7D
which I want to use the mic input on. Mostly I'm vague on the Alsa
syntax for specifying devices and especially subdevices.

My alsa-info output is at
http://alsa-project.org/db/?f=d225395a5fefc44d18a4b055d35d630450113660

I bought this USB audio card originally to use with a Raspberry Pi and
a guitar, now I'd like to record some nature sounds with electret
mikes.  I've never gotten recording with it to work at all, playback
does work well.  Using Alsa 1.0.27+1 under Raspbian Buster.

-- 
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Cities are cages built to contain excess people and keep them from
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