speaker-test(1) on Linux
The text 286515632f76, as Debian 7 (Wheezy) shipped it.
command-line speaker test tone generator for ALSA
Flags it lists
-
--buffer -
--channels -
--device -
--frequency -
--help -
--nloops -
--nperiods -
--period -
--rate -
--speaker -
--test -
--wavdir -
--wavfile -
-D -
-P -
-W -
-b -
-c -
-f -
-l -
-p -
-r -
-s -
-t -
-w