sndfile-convert(1) on Linux
The text e8d7f1e16ec6, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
convert sound files from one format to another
Flags it lists
-
-alaw -
-dwvw12 -
-dwvw16 -
-dwvw24 -
-endian -
-float32 -
-gsm610 -
-ima-adpcm -
-ms-adpcm -
-normalize -
-override-sample-rate -
-pcm16 -
-pcm24 -
-pcm32 -
-pcms8 -
-pcmu8 -
-ulaw -
-vorbis