Distributed voice recognition system using acoustic feature...

Data processing: speech signal processing – linguistics – language – Speech signal processing – Recognition

Reexamination Certificate

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C704S255000

Reexamination Certificate

active

07024359

ABSTRACT:
A voice recognition system applies speaker-dependent modification functions to acoustic feature vectors prior to voice recognition pattern matching against a speaker-independent acoustic model. An adaptation engine matches a set of acoustic feature vectors X with an adaptation model to select a speaker-dependent feature vector modification function f( ), which is then applied to X to form a modified set of acoustic feature vectors f(X). Voice recognition is then performed by correlating the modified acoustic feature vectors f(X) with a speaker-independent acoustic model.

REFERENCES:
patent: 4926488 (1990-05-01), Nadas et al.
patent: 5864810 (1999-01-01), Digalakis et al.
patent: 5890113 (1999-03-01), Takagi
patent: 5956683 (1999-09-01), Jacobs et al.
patent: 6070139 (2000-05-01), Miyazawa et al.
patent: 6363348 (2002-03-01), Besling et al.
patent: 6421641 (2002-07-01), Huang et al.
patent: 0779609 (1997-06-01), None
patent: 0661690 (1997-07-01), None
B. Logan: “Maximum Likelihood Sequential Adaptation,” 6thEuropean Conference on Speech Communication and Technology. EUROSPEECH '99, vol. 1 of 6, Sep. 5-9, 1999, pp. 17-20.
M.J.F. Gales: “Transformation Smoothing for Speaker and Environmental Adaptation,” 5thEuropean Conference on Speech Communication and Technology, EUROSPEECH '97, vol. 4 of 5, Sep. 22-25, 1997, pp. 2067-2070.
C.J. Leggetter, et al., “Maximum Likelihood Linear Regression for Speaker Adaptation of Continuous Density Hidden Markov Models,” Department of Engineering, University of Cambridge (UK). Computer Speech and Language, Academic Press Limited, 1995. (pp. 171-185).
Jun-Ichi Takahashi, et al., “Vector-Field-Smoothed Bayesian Learning for Fast and Incremental Speaker/Telephone-Channel Adaptation,” Advanced LSI Laboratory, NTT Human Interface Laboratories; Computer Speech and Language, 1997. (pp. 127-146).

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