Formant pattern matching vocoder

Details Formant pattern matching vocoder Formant pattern matching vocoder

G - Physics

10

L

354/54

G10L 11/00 (2006.01) G10L 15/06 (2006.01) G10L 19/00 (2006.01)

Patent

CA 1277034

66446-398D ABSTRACT OF THE DISCLOSURE A formant pattern matching vocoder for matching an input speech signal with a reference speech signal on the basis of mutual angular data developed through polar coordinate conversion of a plurality of formant frequencies obtained from the input and reference speech signals. A specific embodiment has a sound source generator which generates a sound source signal based upon sound source data and a reference pattern mode which outputs a reference pattern specified by received label data. An orthogonal coordinate converter developes different formant frequencies by orthogonal coordinate conversion on the basis of received mutual angular data and absolute value data. A formant synthesizer generates a speech output in response to the outputs of the sound source generator and the orthogonal coordinate converter.

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