EP0539103A3 - Generalized analysis-by-synthesis speech coding method and apparatus - Google Patents

Generalized analysis-by-synthesis speech coding method and apparatus Download PDF

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Publication number
EP0539103A3
EP0539103A3 EP19920309442 EP92309442A EP0539103A3 EP 0539103 A3 EP0539103 A3 EP 0539103A3 EP 19920309442 EP19920309442 EP 19920309442 EP 92309442 A EP92309442 A EP 92309442A EP 0539103 A3 EP0539103 A3 EP 0539103A3
Authority
EP
European Patent Office
Prior art keywords
coding method
speech coding
synthesis speech
generalized analysis
generalized
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.)
Granted
Application number
EP19920309442
Other versions
EP0539103A2 (en
EP0539103B1 (en
Inventor
Willem Bastiaan Kleijn
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
American Telephone and Telegraph 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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of EP0539103A2 publication Critical patent/EP0539103A2/en
Publication of EP0539103A3 publication Critical patent/EP0539103A3/en
Application granted granted Critical
Publication of EP0539103B1 publication Critical patent/EP0539103B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L2019/0001—Codebooks
    • G10L2019/0012—Smoothing of parameters of the decoder interpolation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
EP92309442A 1991-10-25 1992-10-16 Generalized analysis-by-synthesis speech coding method and apparatus Expired - Lifetime EP0539103B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78268691A 1991-10-25 1991-10-25
US782686 1991-10-25

Publications (3)

Publication Number Publication Date
EP0539103A2 EP0539103A2 (en) 1993-04-28
EP0539103A3 true EP0539103A3 (en) 1993-08-11
EP0539103B1 EP0539103B1 (en) 1998-04-29

Family

ID=25126860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92309442A Expired - Lifetime EP0539103B1 (en) 1991-10-25 1992-10-16 Generalized analysis-by-synthesis speech coding method and apparatus

Country Status (4)

Country Link
EP (1) EP0539103B1 (en)
JP (1) JP3662597B2 (en)
DE (1) DE69225293T2 (en)
ES (1) ES2115646T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2102080C (en) * 1992-12-14 1998-07-28 Willem Bastiaan Kleijn Time shifting for generalized analysis-by-synthesis coding
US5704003A (en) * 1995-09-19 1997-12-30 Lucent Technologies Inc. RCELP coder
ATE192259T1 (en) * 1995-11-09 2000-05-15 Nokia Mobile Phones Ltd METHOD FOR SYNTHESIZING A VOICE SIGNAL BLOCK IN A CELP ENCODER
US6113653A (en) * 1998-09-11 2000-09-05 Motorola, Inc. Method and apparatus for coding an information signal using delay contour adjustment

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON ACOUSTICS,SPEECH AND SIGNAL PROCESSING. vol. 36, no. 9, September 1988, NEW YORK US pages 1437 - 1444 SHIRAKI, HONDA 'LPC speech coding based on variable length segment quantization' *
IEEE TRANSACTIONS ON COMMUNICATIONS vol. 38, no. 11, November 1990, NEW YORK US pages 1935 - 1937 LEE, UN 'On reducing computational complexity of codebook search in CELP coding' *
INTERNATIONAL CONFERENCE ON ACOUSTICS SPEECH AND SIGNAL PROCESSING vol. 1, 23 March 1992, SAN FRANCISCO USA pages 337 - 340 KLEIJN ET AL 'Generalized analysis by synthesis coding and its application to pitch prediction' *
INTERNATIONAL JOURNAL OF ELECTRONICS vol. 67, no. 2, August 1989, LONDON GB pages 173 - 178 PALIWAL 'Reduced complexity stochastically excited coder for the low bit rate coding of speech' *

Also Published As

Publication number Publication date
EP0539103A2 (en) 1993-04-28
JPH05232995A (en) 1993-09-10
DE69225293D1 (en) 1998-06-04
ES2115646T3 (en) 1998-07-01
DE69225293T2 (en) 1998-09-10
JP3662597B2 (en) 2005-06-22
EP0539103B1 (en) 1998-04-29

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