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- Patents > 2009-04-30 > SECTION G PHYSICS > MUSICAL INSTRUMENTS; ACOUSTICS > SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION
Speech processing apparatus and method of speech processing
Abstract
The speech processing apparatus configured to split a first speech waveform and a second speech waveform into a plurality of frequency bands respectively to generate a first band speech waveform and a second band speech waveform each being a component of each frequency band; determine an overlap-added position between the first band speech waveform and the second band speech waveform by the each frequency band so that a high cross correlation between the first band speech waveform and the second band speech waveform is obtained; and overlap-add the first band speech waveform and the second band speech waveform by the each frequency band on the basis of the overlap-added position and integrates overlap-added band speech waveforms in the plurality of frequency bands over all the plurality of frequency bands to generate a concatenated speech waveform.
Filed on: 2008-07-21; Application Number: 12219385