Effect of speaking rate on the acceptability of change in segment duration

Makiko Muto, Hiroaki Kato, Minoru Tsuzaki, Yoshinori Sagisaka

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

An acceptability of segment duration changes in different speaking rates was studied to know perceptual characteristics for designing an objective naturalness measure in speech synthesis. Based on a series of our studies on intra-phrase positional dependency of perceptual acceptability, where listeners were more sensitive to the phrase-initial segment duration than the phrase-final one, we designed perceptual experiments using speech at three rates (fast, normal and slow) with or without a carrier sentence. The duration of each vowel at different phrase positions was either lengthened or shortened from 10 ms to 50 ms and listeners evaluated the acceptability of these changes. The results showed that the acceptability declined more rapidly as a speaking rate became faster and that the difference of acceptability declination between intraphrase positions was consistent. These results serve as fundamental data of speaking-rate dependent acceptability characteristics for designing an objective temporal naturalness.

Original languageEnglish
Title of host publication8th International Conference on Spoken Language Processing, ICSLP 2004
PublisherInternational Speech Communication Association
Pages345-348
Number of pages4
Publication statusPublished - 2004
Event8th International Conference on Spoken Language Processing, ICSLP 2004 - Jeju, Jeju Island, Korea, Republic of
Duration: 2004 Oct 42004 Oct 8

Other

Other8th International Conference on Spoken Language Processing, ICSLP 2004
CountryKorea, Republic of
CityJeju, Jeju Island
Period04/10/404/10/8

ASJC Scopus subject areas

  • Language and Linguistics
  • Linguistics and Language

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