EP0899720A3 - Quantisation des coefficients de prédiction linéaire - Google Patents
Quantisation des coefficients de prédiction linéaire Download PDFInfo
- 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
Links
- 238000013139 quantization Methods 0.000 title abstract 2
- 239000011159 matrix material Substances 0.000 abstract 2
- 238000005311 autocorrelation function Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000005070 sampling Methods 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 1
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)
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 (fr) | 1999-03-03 |
EP0899720A3 true EP0899720A3 (fr) | 1999-09-15 |
EP0899720B1 EP0899720B1 (fr) | 2004-12-15 |
Family
ID=22008595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98306906A Expired - Lifetime EP0899720B1 (fr) | 1997-08-28 | 1998-08-27 | Quantisation des coefficients de prédiction linéaire |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0899720B1 (fr) |
JP (1) | JPH11143498A (fr) |
DE (1) | DE69828119D1 (fr) |
Families Citing this family (9)
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 |
CN100370517C (zh) * | 2002-07-16 | 2008-02-20 | 皇家飞利浦电子股份有限公司 | 一种对编码信号进行解码的方法 |
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 |
CN106104682B (zh) * | 2014-01-15 | 2020-03-24 | 三星电子株式会社 | 用于对线性预测编码系数进行量化的加权函数确定装置和方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0905680A2 (fr) * | 1997-08-28 | 1999-03-31 | Texas Instruments Inc. | Procédé de quantisation des paramètres LPC utilisant une Quantisation prédictive commutée |
-
1998
- 1998-08-27 EP EP98306906A patent/EP0899720B1/fr not_active Expired - Lifetime
- 1998-08-27 JP JP10242058A patent/JPH11143498A/ja active Pending
- 1998-08-27 DE DE69828119T patent/DE69828119D1/de not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0905680A2 (fr) * | 1997-08-28 | 1999-03-31 | Texas Instruments Inc. | Procédé de quantisation des paramètres LPC utilisant une Quantisation prédictive commutée |
Non-Patent Citations (5)
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 |
---|---|
EP0899720A2 (fr) | 1999-03-03 |
DE69828119D1 (de) | 2005-01-20 |
JPH11143498A (ja) | 1999-05-28 |
EP0899720B1 (fr) | 2004-12-15 |
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