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WSOLA sound Time Scaling

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25 Jul 2013 (Updated )

WSOLA Algorithm implementation for time scaling(streching/compressing) in the time domain.

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Description

Implements the algorithm described in the paper by Werner VERHELST and Marc ROELANDS "AN OVERLAP-ADD TECHNIQUE BASED ON WAVEFORM SIMILARITY (WSOLA)
FOR HIGH QUALITY TIME-SCALE MODIFICATION OF SPEECH"
http://www.etro.vub.ac.be/research/dssp/PUB_FILES/int_conf/ICASSP-1993.pdf

Additions:
* Recursive for scale factors too large or too small for a single pass.
* Implements both cross-correlation and AMDF similarity

Required Products MATLAB
MATLAB release MATLAB 7.13 (R2011b)
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Updates
29 Jul 2013

Added recursion, amdf and a screenshot

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