Data processing: speech signal processing – linguistics – language – Speech signal processing – Recognition
Reexamination Certificate
2011-04-19
2011-04-19
McFadden, Susan (Department: 2626)
Data processing: speech signal processing, linguistics, language
Speech signal processing
Recognition
Reexamination Certificate
active
07930180
ABSTRACT:
Speech recognition is performed at high speed by processing respective paths of multi-path speech recognition in parallel. A distance calculation unit receives temporal data sequence of acoustic features, calculates the distance values between all acoustic models and the speech features in the respective frames, and writes them in a distance value buffer. An acoustic lookahead unit receives distance values from a plurality of distance value buffers, calculates lookahead values which are relative priorities of respective recognition units, and writes them into the lookahead value buffer. A word string matching unit receives information from a plurality of distance value buffers and the lookahead value buffers, and recognizes the entire utterance in frame synchronization by adequately selecting matching words using the lookahead values to thereby generate a recognition result.
REFERENCES:
patent: 4742547 (1988-05-01), Watanabe
patent: 4975959 (1990-12-01), Benbassat
patent: 4989249 (1991-01-01), Oka et al.
patent: 5241649 (1993-08-01), Niyada
patent: 6249761 (2001-06-01), Phillips et al.
patent: 6442520 (2002-08-01), Buhrke et al.
patent: 7548651 (2009-06-01), Shozakai et al.
patent: 2 391 679 (2004-02-01), None
patent: 63-208138 (1988-08-01), None
patent: 03-045840 (1991-07-01), None
patent: 04-232998 (1992-08-01), None
patent: 06-214595 (1994-08-01), None
patent: 7-200372 (1995-08-01), None
patent: 2000-206984 (2000-07-01), None
patent: 3226716 (2001-08-01), None
patent: 2003-029781 (2003-01-01), None
patent: WO 03/036618 (2003-05-01), None
S. Ortmanns et al., “Look-Ahead Techniques for Fast Beam Search,” 1997 International Conference on Acoustics Speech and Signal Processing, Apr. 1997, vol. 3, pp. 1783-1786.
T. Hori et al., “A Study on a Phoneme-graph-based Hypothesis Restriction for Large Vocabulary Continuous Speech Recognition,” Transactions of Information Processing Society of Japan, Apr. 1999, vol. 40, No. 4, pp. 1365-1373.
J. Jou et al., “An efficient VLSI Architecture for HMM-Based Speech Recognition,” The 8thIEEE International Conference on Electronics, Circuits and Systems (ICECS 2001), Sep. 2001, vol. 1, pp. 469-472.
S. Ortmanns et al., “Look-Ahead Techniques for Fast Beam Search,” 1997 International Conference on Acoustics Speech and Signal Processing, Apr. 1997, vol. 3, pp. 1783-1786.
Ishikawa Shinya
Yamabana Kiyoshi
Foley & Lardner LLP
McFadden Susan
NEC Corporation
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