DE3378333D1 - Lpc word recognizer utilizing energy features - Google Patents

Lpc word recognizer utilizing energy features

Info

Publication number
DE3378333D1
DE3378333D1 DE8383902724T DE3378333T DE3378333D1 DE 3378333 D1 DE3378333 D1 DE 3378333D1 DE 8383902724 T DE8383902724 T DE 8383902724T DE 3378333 T DE3378333 T DE 3378333T DE 3378333 D1 DE3378333 D1 DE 3378333D1
Authority
DE
Germany
Prior art keywords
utilizing energy
word recognizer
energy features
lpc
lpc word
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8383902724T
Other languages
English (en)
Inventor
Michael Brown
Lawrence Rabiner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of DE3378333D1 publication Critical patent/DE3378333D1/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/08Speech classification or search
    • G10L15/12Speech classification or search using dynamic programming techniques, e.g. dynamic time warping [DTW]
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/02Feature extraction for speech recognition; Selection of recognition unit
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
DE8383902724T 1982-08-26 1983-08-01 Lpc word recognizer utilizing energy features Expired DE3378333D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/411,834 US4519094A (en) 1982-08-26 1982-08-26 LPC Word recognizer utilizing energy features
PCT/US1983/001171 WO1984001049A1 (en) 1982-08-26 1983-08-01 Lpc word recognizer utilizing energy features

Publications (1)

Publication Number Publication Date
DE3378333D1 true DE3378333D1 (en) 1988-12-01

Family

ID=23630520

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383902724T Expired DE3378333D1 (en) 1982-08-26 1983-08-01 Lpc word recognizer utilizing energy features

Country Status (6)

Country Link
US (1) US4519094A (de)
EP (1) EP0118484B1 (de)
JP (1) JPS59501422A (de)
CA (1) CA1187994A (de)
DE (1) DE3378333D1 (de)
WO (1) WO1984001049A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4543957A (en) * 1983-06-13 1985-10-01 Ernest H. Friedman Human response apparatus and method
US4941178A (en) * 1986-04-01 1990-07-10 Gte Laboratories Incorporated Speech recognition using preclassification and spectral normalization
US4918733A (en) * 1986-07-30 1990-04-17 At&T Bell Laboratories Dynamic time warping using a digital signal processor
US4843562A (en) * 1987-06-24 1989-06-27 Broadcast Data Systems Limited Partnership Broadcast information classification system and method
US4926488A (en) * 1987-07-09 1990-05-15 International Business Machines Corporation Normalization of speech by adaptive labelling
US4829572A (en) * 1987-11-05 1989-05-09 Andrew Ho Chung Speech recognition system
US4937870A (en) * 1988-11-14 1990-06-26 American Telephone And Telegraph Company Speech recognition arrangement
US5073939A (en) * 1989-06-08 1991-12-17 Itt Corporation Dynamic time warping (DTW) apparatus for use in speech recognition systems
AU6070490A (en) * 1989-08-07 1991-03-11 Motorola, Inc. Speech recognition using spectral line frequencies
US6044343A (en) * 1997-06-27 2000-03-28 Advanced Micro Devices, Inc. Adaptive speech recognition with selective input data to a speech classifier
US6032116A (en) * 1997-06-27 2000-02-29 Advanced Micro Devices, Inc. Distance measure in a speech recognition system for speech recognition using frequency shifting factors to compensate for input signal frequency shifts
US6067515A (en) * 1997-10-27 2000-05-23 Advanced Micro Devices, Inc. Split matrix quantization with split vector quantization error compensation and selective enhanced processing for robust speech recognition
US6070136A (en) * 1997-10-27 2000-05-30 Advanced Micro Devices, Inc. Matrix quantization with vector quantization error compensation for robust speech recognition
US6003004A (en) 1998-01-08 1999-12-14 Advanced Recognition Technologies, Inc. Speech recognition method and system using compressed speech data
US6219642B1 (en) 1998-10-05 2001-04-17 Legerity, Inc. Quantization using frequency and mean compensated frequency input data for robust speech recognition
US6347297B1 (en) 1998-10-05 2002-02-12 Legerity, Inc. Matrix quantization with vector quantization error compensation and neural network postprocessing for robust speech recognition
CN108877768B (zh) * 2018-05-21 2020-12-11 广东省电信规划设计院有限公司 座机提示音识别方法、装置及计算机设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916105A (en) * 1972-12-04 1975-10-28 Ibm Pitch peak detection using linear prediction
US4156868A (en) * 1977-05-05 1979-05-29 Bell Telephone Laboratories, Incorporated Syntactic word recognizer
JPS5525150A (en) * 1978-08-10 1980-02-22 Nec Corp Pattern recognition unit
US4319085A (en) * 1980-04-08 1982-03-09 Threshold Technology Inc. Speech recognition apparatus and method
US4394538A (en) * 1981-03-04 1983-07-19 Threshold Technology, Inc. Speech recognition system and method
JPS58130393A (ja) * 1982-01-29 1983-08-03 株式会社東芝 音声認識装置

Also Published As

Publication number Publication date
WO1984001049A1 (en) 1984-03-15
CA1187994A (en) 1985-05-28
EP0118484A1 (de) 1984-09-19
EP0118484A4 (de) 1985-04-11
US4519094A (en) 1985-05-21
JPS59501422A (ja) 1984-08-09
EP0118484B1 (de) 1988-10-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee