Presentation	1999/12/20 Application of Phone Pair Model to Robust Speech Recognition Baojie Lee, Keikichi Hirose,
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Abstract(in English)	In the acoustic feature space, all phone positions suffer rather large shifts across speakers. Even within a speaker they are not so much stable due to utterance-to-utterance variations. However their relative positions are considered to be rather stable for a speaker. In previous works, we proposed a Phone Pair Model which utilizes the joint probability of twophones' acoustic feature vectors to catch these inter-speaker tied movements. In this paper, we report the results of our comparative experiments between one using solely phone HMMs and the other uses phone HMMs combined with Phone Pair Model. Remarkable increases in both Correctrate and Accuracy were achieved.
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Paper #	NLC99-104
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Conference Information
Committee	NLC
Conference Date	1999/12/20(1days)
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Registration To	Natural Language Understanding and Models of Communication (NLC)
Language	ENG
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Title (in English)	Application of Phone Pair Model to Robust Speech Recognition
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1st Author's Name	Baojie Lee
1st Author's Affiliation	()
2nd Author's Name	Keikichi Hirose
2nd Author's Affiliation
Date	1999/12/20
Paper #	NLC99-104
Volume (vol)	vol.99
Number (no)	523
Page	pp.pp.-
#Pages	5
Date of Issue