Speech Signals Stretched by Phase-Vocoder Techniques With/Without Phase Offset Correction and PSOLA

Sound files are in a WAV format (sampling rate 16kHz, Linear coding)

Female speaker

Speedwith phase correctionwithout phase correctionPSOLA
 original signal: "The quick fox jumps over the lazy dog"
slowed down (factor 2) talk ! talk ! talk !
slowed down (factor 3) talk ! talk ! talk !
slowed down (factor 4) talk ! talk ! talk !
slowed down (factor 5)   talk ! talk !
slowed down (factor 6)   talk ! talk !

Male speaker

Speedwith phase correctionwithout phase correctionPSOLA
 original signal: "Notre famille a trois voitures"
slowed down (factor 2) talk ! talk ! talk !
slowed down (factor 3) talk ! talk ! talk !
slowed down (factor 4) talk ! talk ! talk !
slowed down (factor 5)   talk ! talk !
slowed down (factor 6)   talk ! talk !

Page created by Joseph Di Martino and modified by Laurent Pierron on the 8'th December 2004

The Psola speech files have been gracefully provided by Vincent Colotte

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