PHONEME RECOGNITION IN VARIOUS STYLES OF UTTERANCE BASED ON MUTUAL INFORMATION CRITERION

Shigeki Okawa, Tetsunori Kobayashi, Katsuhiko Shirai

Research output: Contribution to conferencePaperpeer-review

3 Citations (Scopus)

Abstract

This paper discusses a highly reliable phoneme recognition method in various styles of utterance based on mutual information criterion. Mutual information is a good measure to build an effective phoneme dictionary in the process of optimal selection of acoustic features and integration of clusters. Using VQ code sequences organized by the hierarchical clustering method, phonemic likelihoods for each frame can be calculated. Phoneme recognition is performed with applying phonemic duration and bigram constraints of phonemes. Also, we cover an iterative training mechanism of the phoneme dictionary. The correct rate for phoneme is improved to 90.5% (8.4% insertion, 7.0% deletion) in the speaker independent recognition experiment for the continuous utterance.

Original languageEnglish
Pages1911-1914
Number of pages4
Publication statusPublished - 1994
Event3rd International Conference on Spoken Language Processing, ICSLP 1994 - Yokohama, Japan
Duration: 1994 Sep 181994 Sep 22

Conference

Conference3rd International Conference on Spoken Language Processing, ICSLP 1994
Country/TerritoryJapan
CityYokohama
Period94/9/1894/9/22

ASJC Scopus subject areas

  • Language and Linguistics
  • Linguistics and Language

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