Perception of noise-vocoded sine-wave speech of Japanese pitch-accent words

Author:

Shinohara Yasuaki1ORCID

Affiliation:

1. Faculty of Commerce, Waseda University, 1-6-1 Nishiwaseda, Shinjuku-ku, Tokyo 169-8050, Japan

Abstract

The present study examined whether the identification accuracy of Japanese pitch-accent words increased after the sine-wave speech underwent noise vocoding, which eliminates the quasi-periodicity of the sine-wave speech. The results demonstrated that Japanese listeners were better at discriminating sine-wave speech than noise-vocoded sine-wave speech, with no significant difference in identification between the two conditions. They identify sine-wave pitch-accent words to some extent using acoustic cues other than the pitch accent. The noise vocoder used in the present study might not have been substantially effective for Japanese listeners to show a significant difference in the identification between the two conditions.

Funder

Waseda University

Publisher

Acoustical Society of America (ASA)

Subject

Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics

Reference25 articles.

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2. Intonational structure in Japanese and English

3. Boersma, P. , and Weenink, D. (2022). “ Praat: Doing phonetics by computer (version 6.2.09) [computer program],” http://www.praat.org/ (Last viewed 4/12/2022).

4. Factors Affecting the Intelligibility of Sine-Wave Speech

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