Presentation 1995/12/15
Robust Speaker Adaptation Effective for Environmental Changes
Keizaburo TAKAGI, Koichi SHINODA, Hiroaki HATTORI, Takao WATANABE,
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Abstract(in English) This paper describes an unsupervised and incremental speaker adaptation method. In practical applications, environmental changes for each adaptation utterance often degrade the speaker adaptation performance. To cope with this problem, the proposed method first cancel the effect of environmental differences for each utterance by using REALISE. Then we apply speaker adaptation with autonomous control using tree structure. The evaluation experiment was carried out for the utterances recorded from six speakers under three conditions in a vehicle environment. For the purpose of simulating rapidly changing environment, any two of the adjacent utterances are presented. In different conditions to the adaptation process. The evaluation results were 79%, 90%, and 95% for without processing, only applying REALISE, and proposed method after 100 words adaptation, respectively.
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Keyword(in English) speech recognition / speaker adaptation / environment adaptation / unsupervised adaptation / incremental adaptation
Paper # SP95-100
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Committee SP
Conference Date 1995/12/15(1days)
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Registration To Speech (SP)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Robust Speaker Adaptation Effective for Environmental Changes
Sub Title (in English)
Keyword(1) speech recognition
Keyword(2) speaker adaptation
Keyword(3) environment adaptation
Keyword(4) unsupervised adaptation
Keyword(5) incremental adaptation
1st Author's Name Keizaburo TAKAGI
1st Author's Affiliation Information Technology Research Laboratories, NEC Corporation()
2nd Author's Name Koichi SHINODA
2nd Author's Affiliation Information Technology Research Laboratories, NEC Corporation
3rd Author's Name Hiroaki HATTORI
3rd Author's Affiliation Information Technology Research Laboratories, NEC Corporation
4th Author's Name Takao WATANABE
4th Author's Affiliation Information Technology Research Laboratories, NEC Corporation
Date 1995/12/15
Paper # SP95-100
Volume (vol) vol.95
Number (no) 431
Page pp.pp.-
#Pages 8
Date of Issue