Book on DAFX - Digital Audio Effects (Second Edition) Edited by Udo Zölzer ISBN: 978-0-470-66599-2 John Wiley & Sons, 2011

Chapter 6

P. Dutilleux, G. De Poli, A. von dem Knesebeck and U. Zölzer

Contents

• Introduction
• Variable speed replay
• Time stretching
  • Historical methods – Phonogène
  • Synchronous overlap and add (SOLA)
  • Pitch-synchronous overlap and add (PSOLA)
• Pitch shifting
  • Historical methods – Harmonizer
  • Pitch shifting by time stretching and resampling
  • Pitch shifting by delay-line modulation
  • Pitch shifting by PSOLA and formant preservation
• Time shuffling and granulation
  • Time shuffling
  • Granulation
• Conclusion
• Sound and music
• References

Contents