EP0899720A3 - Quantisierung der linearen Prädiktion Koeffizienten - Google Patents

Quantisierung der linearen Prädiktion Koeffizienten Download PDF

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Publication number
EP0899720A3
EP0899720A3 EP98306906A EP98306906A EP0899720A3 EP 0899720 A3 EP0899720 A3 EP 0899720A3 EP 98306906 A EP98306906 A EP 98306906A EP 98306906 A EP98306906 A EP 98306906A EP 0899720 A3 EP0899720 A3 EP 0899720A3
Authority
EP
European Patent Office
Prior art keywords
quantization
impulse response
computing
jacobian matrix
lsf
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
EP98306906A
Other languages
English (en)
French (fr)
Other versions
EP0899720A2 (de
EP0899720B1 (de
Inventor
Alan V. Mccree
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of EP0899720A2 publication Critical patent/EP0899720A2/de
Publication of EP0899720A3 publication Critical patent/EP0899720A3/de
Application granted granted Critical
Publication of EP0899720B1 publication Critical patent/EP0899720B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] 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
    • G10L2019/0013—Codebook search algorithms
    • G10L2019/0014—Selection criteria for distances

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP98306906A 1997-08-28 1998-08-27 Quantisierung der linearen Prädiktionskoeffizienten Expired - Lifetime EP0899720B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5711497P 1997-08-28 1997-08-28
US57114P 1997-08-28

Publications (3)

Publication Number Publication Date
EP0899720A2 EP0899720A2 (de) 1999-03-03
EP0899720A3 true EP0899720A3 (de) 1999-09-15
EP0899720B1 EP0899720B1 (de) 2004-12-15

Family

ID=22008595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98306906A Expired - Lifetime EP0899720B1 (de) 1997-08-28 1998-08-27 Quantisierung der linearen Prädiktionskoeffizienten

Country Status (3)

Country Link
EP (1) EP0899720B1 (de)
JP (1) JPH11143498A (de)
DE (1) DE69828119D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW408298B (en) * 1997-08-28 2000-10-11 Texas Instruments Inc Improved method for switched-predictive quantization
KR100464310B1 (ko) * 1999-03-13 2004-12-31 삼성전자주식회사 선 스펙트럼 쌍을 이용한 패턴 정합 방법
KR100474969B1 (ko) * 2002-06-04 2005-03-10 에스엘투 주식회사 음성신호 부호화를 위한 선 스펙트럼 계수의 벡터 양자화방법과 이를 위한 마스킹 임계치 산출 방법
KR101001170B1 (ko) * 2002-07-16 2010-12-15 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
KR100647290B1 (ko) 2004-09-22 2006-11-23 삼성전자주식회사 합성된 음성의 특성을 이용하여 양자화/역양자화를선택하는 음성 부호화/복호화 장치 및 그 방법
JP5142727B2 (ja) * 2005-12-27 2013-02-13 パナソニック株式会社 音声復号装置および音声復号方法
CN101320565B (zh) * 2007-06-08 2011-05-11 华为技术有限公司 感知加权滤波方法及感知加权滤波器
KR101747917B1 (ko) * 2010-10-18 2017-06-15 삼성전자주식회사 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법
EP4095854A1 (de) * 2014-01-15 2022-11-30 Samsung Electronics Co., Ltd. Gewichtungsfunktionsbestimmungsvorrichtung und verfahren zur quantisierung linearer prädiktionscodierungskoeffizienten

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0905680A2 (de) * 1997-08-28 1999-03-31 Texas Instruments Inc. Verfahren zur Quantisierung der LPC Parametern mittels geschalteter prädiktiven Quantisierung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0905680A2 (de) * 1997-08-28 1999-03-31 Texas Instruments Inc. Verfahren zur Quantisierung der LPC Parametern mittels geschalteter prädiktiven Quantisierung

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
COHN R P ET AL: "Incorporating perception into LSF quantization some experiments", 1997 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING (CAT. NO.97CB36052), 1997 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, MUNICH, GERMANY, 21-24 APRIL 1997, 1997, Los Alamitos, CA, USA, IEEE Comput. Soc. Press, USA, pages 1347 - 1350 vol.2, XP002109403, ISBN: 0-8186-7919-0 *
GARDNER W R ET AL: "THEORETICAL ANALYSIS OF THE HIGH-RATE VECTOR QUANTIZATION OF PLC PARAMETERS", IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING, vol. 3, no. 5, 1 September 1995 (1995-09-01), pages 367 - 381, XP000641961, ISSN: 1063-6676 *
MCCREE A ET AL: "A 1.7 kb/s MELP coder with improved analysis and quantization", PROCEEDINGS OF THE 1998 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, ICASSP '98 (CAT. NO.98CH36181), PROCEEDINGS OF THE 1998 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, SEATTLE, WA, USA, 12-1, 1998, New York, NY, USA, IEEE, USA, pages 593 - 596 vol.2, XP002109401, ISBN: 0-7803-4428-6 *
MCCREE A ET AL: "A 2.4 kbit/s MELP coder candidate for the new U.S. Federal Standard", 1996 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING CONFERENCE PROCEEDINGS (CAT. NO.96CH35903), 1996 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING CONFERENCE PROCEEDINGS, ATLANTA, GA, USA, 7-10 M, 1996, New York, NY, USA, IEEE, USA, pages 200 - 203 vol. 1, XP002109402, ISBN: 0-7803-3192-3 *
PALIWAL K K ET AL: "EFFICIENT VECTOR QUANTIZATION OF LPC PARAMETERS AT 24 BITS/FRAME", SPEECH PROCESSING 1, TORONTO, MAY 14 - 17, 1991, vol. 1, no. CONF. 16, 14 May 1991 (1991-05-14), INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, pages 661 - 664, XP000245315, ISBN: 0-7803-0003-3 *

Also Published As

Publication number Publication date
JPH11143498A (ja) 1999-05-28
DE69828119D1 (de) 2005-01-20
EP0899720A2 (de) 1999-03-03
EP0899720B1 (de) 2004-12-15

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