librubberband-dev - 3.3.0+dfsg-2+b1 main

Rubber Band is a library and utility program that permits you to
change the tempo and pitch of an audio recording independently of one
another.
.
This package contains development files for linking against
librubberband, along with the static version of the library. API
documentation is available at
https://www.breakfastquay.com/rubberband/code-doc/ .