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Some improvements on the synchronized-overlap-add method of time scale modification for use in real-time speech compression and noise filtering

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2 Author(s)
Wayman, J.L. ; Ford Aerosp. & Commun. Corp., Palo Alto, CA, USA ; Wilson, D.L.

The synchronized-overlap-add (SOLA) method of time-scale modification has proven to be a useful technique for speech compression, both alone and when cascaded with other methods. The authors present a modification of the method which, while costing approximately 3% in compression ratio, increases the computation speed of the method by 30% and results in much higher quality transmission. They also show how the method can be used as a correlation filter for removing white noise from speech

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Acoustics, Speech and Signal Processing, IEEE Transactions on  (Volume:36 ,  Issue: 1 )