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1
Description of acoustic variations by hidden Markov models with tree structure ...
Hayamizu, Satoru; Lee, Kai-Fu; Hsiao-Wuen Hon. - : Carnegie Mellon University, 2007
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Description of acoustic variations by hidden Markov models with tree structure ...
Hayamizu, Satoru; Lee, Kai-Fu; Hsiao-Wuen Hon. - : Carnegie Mellon University, 2007
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3
The SPHINX-II speech recognition system : an overview
In: Computer speech and language. - Amsterdam [u.a.] : Elsevier 7 (1993) 2, 137-148
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4
Recognition and verification
Shikano, Kiyohiro (Mitarb.); Itakura, Fumitada (Mitarb.); Ghitza, Oded (Mitarb.)...
In: Advances in speech signal processing. - New York [u.a.] : Dekker (1992), 417-738
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5
Vocabulary and Environment Adaptation in Vocabulary-Independent Speech Recognition
In: DTIC (1992)
Abstract: In this paper, we are looking into the adaptation issues of vocabulary-independent (VI) systems. Just as with speaker- adaptation in speaker-independent system, two vocabulary adaptation algorithms [5] are implemented in order to tailor the VI subword models to the target vocabulary. The first algorithm is to generate vocabulary-adapted clustering decision trees by focusing on relevant allophones during tree generation and reduces the VI error rate by 9%. The second algorithm, vocabulary-bias training, is to give the relevant allophones more prominence by assign more weight to them during Baum-Welch training of the generalized allophonic models and reduces the VI error rate by 15%. Finally, in order to overcome the degradation caused by the different acoustic environments used for VI training and testing, CDCN and ISDCN originally designed for microphone adaptation are incorporated into our VI system and both reduce the degradation of VI cross-environment recognition by 50%. ; Prepared in cooperation with Apple Computer, Inc., Cupertino, CA.
Keyword: *ALGORITHMS; *SPEECH RECOGNITION; *VOCABULARY; ACOUSTICS; ADAPTATION; DEGRADATION; ENVIRONMENTS; Linguistics; MICROPHONES; TARGETS; Voice Communications; WORDS(LANGUAGE)
URL: http://www.dtic.mil/docs/citations/ADA457730
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA457730
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6
Recent Progress in Robust Vocabulary-Independent Speech Recognition
In: DTIC (1991)
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7
Corrective and reinforcement learning for speaker-independent continuous speech recognition
In: Computer speech and language. - Amsterdam [u.a.] : Elsevier 4 (1990) 3, 231-245
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8
Recent progress and future outlook of the SPHINX speech recognition system
In: Computer speech and language. - Amsterdam [u.a.] : Elsevier 4 (1990) 1, 57-69
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9
Speech recognition
Lee, Kai-Fu (Mitarb.); Hon, Hsiao-Wuen (Mitarb.); Hwang, Mei-Yuh (Mitarb.)...
In: Speech communication. - Amsterdam [u.a.] : Elsevier 9 (1990) 5-6, 497-564
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10
Systems
Kimball, O.A. (Mitarb.); Krasner, M.A. (Mitarb.); Kubala, G.F. (Mitarb.)...
In: Readings in speech recognition. - San Mateo, Calif. : Kaufmann (1990), 551-618
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11
Stochastic approaches
Souza, Peter V. de (Mitarb.); Huang, X.D. (Mitarb.); Jack, M.A. (Mitarb.)...
In: Readings in speech recognition. - San Mateo, Calif. : Kaufmann (1990), 263-370
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12
Automatic speech recognition : the development of the SPHINX system
Lee, Kai-Fu. - Boston [u.a.] : Kluwer, 1989
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13
Word recognition in large vocabularies
In: Speech communication. - Amsterdam [u.a.] : Elsevier 7 (1988) 4, 333-431
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