DESCR 454 B

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