It doesn't look like you are running this code from a command-line utility, but
I thought I'd mention that I had a similar issue due to a weirdness with iTerm,
but my utility worked fine in Terminal.
Your code shows my 3rd party plugs when I run it in an empty Obj-C MacOS app
(from Xcode
Fred,
To my knowledge, you can not explicitly do that with AVAudioSession. Even the
setPreferredDataSource’s location setup can be misleading: Everything depends
on the Polar Pattern you choose. So an Omni Polar Pattern on “Front” will
result in using two microphones to achieve it. There is
