soundtouch: soundtouch (sound processing library)
soundtouch:
soundtouch: SoundTouch is a library for changing tempo, pitch and playback rate
soundtouch: of digital sound.  
soundtouch: SoundStretch is a command-line application for changing tempo, pitch
soundtouch: and playback rates of WAV sound files. This program also
soundtouch: demonstrates how the "SoundTouch" library can be used to process
soundtouch: sound in own programs.
soundtouch:
soundtouch: soundtouch home: http://www.surina.net/soundtouch/
soundtouch: