rubberband(1) on Linux
The text a4cf57ce3cc1, as Debian 7 (Wheezy) shipped it.
an audio time-stretching and pitch-shifting utility program
Flags it lists
-
--bl-transients -
--crisp -
--debug -
--frequency -
--help -
--no-peaklock -
--no-softening -
--no-threads -
--no-transients -
--pitch -
--precise -
--quiet -
--realtime -
--tempo -
--threads -
--time -
--window-long -
--window-short -
-P -
-R -
-T -
-d -
-f -
-h -
-n -
-p -
-q -
-t