STRAIGHT, exploitation of the other aspect of VOCODER: Perceptually isomorphic decomposition of speech sounds

Hideki Kawahara

doi:10.1250/ast.27.349

Acoustical Science and Technology

Online ISSN : 1347-5177
Print ISSN : 1346-3969
ISSN-L : 0369-4232

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STRAIGHT, exploitation of the other aspect of VOCODER: Perceptually isomorphic decomposition of speech sounds

Hideki Kawahara

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Keywords: Periodicity, Excitation source, Spectral analysis, Speech perception, VOCODER

JOURNAL FREE ACCESS

2006 Volume 27 Issue 6 Pages 349-353

DOI https://doi.org/10.1250/ast.27.349

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Abstract

STRAIGHT, a speech analysis, modification synthesis system, is an extension of the classical channel VOCODER that exploits the advantages of progress in information processing technologies and a new conceptualization of the role of repetitive structures in speech sounds. This review outlines historical backgrounds, architecture, underlying principles, and representative applications of STRAIGHT.

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