A speech parameter generation algorithm using local variance for HMM-based speech synthesis

Vataya Chunwijitra, Takashi Nose, Takao Kobayashi

研究成果: Conference contribution

2 被引用数 (Scopus)

抄録

This paper proposes a parameter generation algorithm using lo-cal variance (LV) constraint of spectral parameter trajectory for HMM-based speech synthesis. In the parameter generation pro-cess, we take account of both the HMM likelihood of speech feature vectors and a likelihood for LVs. To model LV precisely, we use dynamic features of LV with context-dependent HMMs. The objective experimental results show that the proposed tech-nique can generate a better spectral trajectory in terms of the spectral and LV distortions than a conventional technique with global variance (GV) constraint. The subjective experimental results also show that the proposed technique significantly im-prove the reproducibility of the synthetic speech than the con-ventional one.

本文言語English
ホスト出版物のタイトル13th Annual Conference of the International Speech Communication Association 2012, INTERSPEECH 2012
ページ1150-1153
ページ数4
出版ステータスPublished - 2012 12 1
外部発表はい
イベント13th Annual Conference of the International Speech Communication Association 2012, INTERSPEECH 2012 - Portland, OR, United States
継続期間: 2012 9 92012 9 13

出版物シリーズ

名前13th Annual Conference of the International Speech Communication Association 2012, INTERSPEECH 2012
2

Conference

Conference13th Annual Conference of the International Speech Communication Association 2012, INTERSPEECH 2012
CountryUnited States
CityPortland, OR
Period12/9/912/9/13

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Communication

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