hetro(1) on Linux
The text 0ca0e83574c1, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
hetrodyne filter analysis for the Csound adsyn generator
Flags it lists
-
-M -
-b -
-c -
-d -
-f -
-h -
-l -
-m -
-n -
-s