Acoustical Science and Technology
Online ISSN : 1347-5177
Print ISSN : 1346-3969
ISSN-L : 0369-4232
INVITED REVIEWS
Speech enhancement using harmonic-structure-based phase reconstruction
Yukoh Wakabayashi
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2019 Volume 40 Issue 3 Pages 162-169

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Abstract

Recent work has shown that phase information is useful for further improving the performance of speech enhancement, source separation, and speech synthesis. In the speech enhancement field, the combination of amplitude and phase estimations improves the perceived quality more than only amplitude estimation. In this paper, we review two harmonic-structure-based phase estimation methods with temporal and frequency constraints on the harmonic speech phase. In addition, we describe important parameters for phase estimation, such as the frame shift length and window function of the short-time Fourier transform. Subjective experiments using listening tests and future work for phase processing are briefly described.

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© 2019 by The Acoustical Society of Japan
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