« Reply #10 on: June 28, 2020, 05:29:19 PM »
There is an app on Mojave which controls sound input & output. It's called AUDIO MIDI SETUP
On my machine it's located in the Applications folder > Utilities folder
On the left side it has a sidebar panel which lists all available inputs and outputs. When you click on each of them, you can adjust settings like # of channels, bit depth, sample rate, and format (float or integer? Mine doesn't offer options other than integer right now)
Found it in same location in Catalina. Only input option on left is "built in microphone." I read somewhere that the single audio port on recent/current Macs, though labeled "headphones" can also double as input but I cannot figure out how to make it happen.
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