A library to adjust the sound tempo, pitch and playback rate (debug info)
SoundTouch is an open-source audio processing library for changing the tempo, pitch and playback rates of audio streams or audio files. The library additionally supports estimating stable beats-per-minute rates for audio tracks.
- Tempo (time stretch): Changes the sound to play at faster or slower tempo than originally without affecting the sound pitch.
- Pitch (key) : Changes the sound pitch or key while keeping the original tempo (speed).
Playback Rate : Changes both tempo and pitch together as if a vinyl disc was played at different RPM rate.