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- SoundTouch is an open-source audio processing library for changing the
- Tempo, Pitch and Playback Rates of audio streams or files:
- * Tempo (time-stretch): changes the sound to play at faster or slower
- speed than original, without affecting the sound pitch
- * Pitch (key): changes the sound pitch or key, without affecting the
- sound tempo or speed
- * Playback Rate: changes both the sound tempo and pitch, as if an LP
- disc was played at wrong RPM rate
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