aucat(1) on OpenBSD
The text 226f5c07eb9b, as OpenBSD 4.9, OpenBSD 4.8 shipped it.
audio server and stream manipulation tool
Flags it lists
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-U -
-a -
-b -
-d -
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-f -
-h -
-i -
-j -
-l -
-m -
-n -
-o -
-q -
-r -
-s -
-t -
-u -
-v -
-x -
-z