hts_engine(1) on Linux
The text 0976f41f2143, as Debian 8 (Jessie) shipped it.
HMM-based speech synthesis engine
Flags it lists
-
-a -
-b -
-fm -
-jf -
-jm -
-m -
-od -
-of -
-ol -
-om -
-or -
-ot -
-ow -
-p -
-r -
-s -
-u -
-vp -
-z