DE60011606T3 - Audiokodierung mit verstärkungsadaptiver quantisierung und symbolen verschiedener länge - Google Patents

Audiokodierung mit verstärkungsadaptiver quantisierung und symbolen verschiedener länge Download PDF

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Publication number
DE60011606T3
DE60011606T3 DE60011606T DE60011606T DE60011606T3 DE 60011606 T3 DE60011606 T3 DE 60011606T3 DE 60011606 T DE60011606 T DE 60011606T DE 60011606 T DE60011606 T DE 60011606T DE 60011606 T3 DE60011606 T3 DE 60011606T3
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Prior art keywords
components
subband signal
component
quantized
subband
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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 - Lifetime
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DE60011606T
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German (de)
English (en)
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DE60011606D1 (de
DE60011606T2 (de
Inventor
Allen Grant DAVIDSON
Quito Charles ROBINSON
Mead Michael TRUMAN
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Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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Priority claimed from US09/349,645 external-priority patent/US6246345B1/en
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    • 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
    • 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
    • G10L19/0204—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 using subband decomposition
    • G10L19/0208—Subband vocoders

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  • 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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE60011606T 1999-04-16 2000-04-11 Audiokodierung mit verstärkungsadaptiver quantisierung und symbolen verschiedener länge Expired - Lifetime DE60011606T3 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US293577 1981-08-17
US29357799A 1999-04-16 1999-04-16
US09/349,645 US6246345B1 (en) 1999-04-16 1999-07-08 Using gain-adaptive quantization and non-uniform symbol lengths for improved audio coding
US349645 1999-07-08
PCT/US2000/009604 WO2000063886A1 (en) 1999-04-16 2000-04-11 Using gain-adaptive quantization and non-uniform symbol lengths for audio coding

Publications (3)

Publication Number Publication Date
DE60011606D1 DE60011606D1 (de) 2004-07-22
DE60011606T2 DE60011606T2 (de) 2005-06-23
DE60011606T3 true DE60011606T3 (de) 2008-01-24

Family

ID=26968028

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60011606T Expired - Lifetime DE60011606T3 (de) 1999-04-16 2000-04-11 Audiokodierung mit verstärkungsadaptiver quantisierung und symbolen verschiedener länge

Country Status (17)

Country Link
EP (1) EP1175670B2 (enExample)
JP (1) JP4843142B2 (enExample)
KR (1) KR100893281B1 (enExample)
CN (1) CN1158646C (enExample)
AR (1) AR023444A1 (enExample)
AT (1) ATE269574T1 (enExample)
AU (1) AU771454B2 (enExample)
BR (1) BRPI0010672B1 (enExample)
CA (1) CA2368453C (enExample)
DE (1) DE60011606T3 (enExample)
DK (1) DK1175670T4 (enExample)
ES (1) ES2218148T5 (enExample)
HK (1) HK1045747B (enExample)
MX (1) MXPA01010447A (enExample)
MY (1) MY122486A (enExample)
TW (1) TW536692B (enExample)
WO (1) WO2000063886A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
DE102004007200B3 (de) 2004-02-13 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
DE102004007184B3 (de) 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
DE102004007191B3 (de) 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
CN100486332C (zh) * 2005-11-17 2009-05-06 广达电脑股份有限公司 合成子频带滤波的方法及装置
WO2007096551A2 (fr) * 2006-02-24 2007-08-30 France Telecom Procede de codage binaire d'indices de quantification d'une enveloppe d'un signal, procede de decodage d'une enveloppe d'un signal et modules de codage et decodage correspondants
DE102006022346B4 (de) * 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalcodierung
KR101482199B1 (ko) * 2006-07-24 2015-01-14 마벨 월드 트레이드 리미티드 오디오 모니터링을 구비한 자기 및 광학 회전형 저장 시스템
CN101622667B (zh) * 2007-03-02 2012-08-15 艾利森电话股份有限公司 用于分层编解码器的后置滤波器
US9236063B2 (en) 2010-07-30 2016-01-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dynamic bit allocation
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
MX343471B (es) * 2011-08-29 2016-11-07 Ibex Pt Holdings Co Ltd Metodo para generar un bloque de prediccion en modo de prediccion de vector de movimiento avanzada (amvp).
EP2933799B1 (en) * 2012-12-13 2017-07-12 Panasonic Intellectual Property Corporation of America Voice audio encoding device, voice audio decoding device, voice audio encoding method, and voice audio decoding method
CN114420152B (zh) * 2021-12-08 2025-07-08 深圳市东微智能科技股份有限公司 声音频带调整方法、装置、设备及存储介质
CN116366411B (zh) * 2023-03-28 2024-03-08 扬州宇安电子科技有限公司 一种多比特信号量化自适应门限生成及量化方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365553A (en) * 1990-11-30 1994-11-15 U.S. Philips Corporation Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal
KR960704300A (ko) * 1994-05-25 1996-08-31 이데이 노부유키 부호화 방법, 복호화 방법, 부호화/복호화 방법, 부호화 장치, 복호화 장치 및 부호화/복호화 장치(Encoding method, decoding method, encoding/decoding method, encoding apparatus, decoding apparatus, and encoding/decoding apparatus)
JP3307138B2 (ja) * 1995-02-27 2002-07-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
US5924064A (en) * 1996-10-07 1999-07-13 Picturetel Corporation Variable length coding using a plurality of region bit allocation patterns
US6006179A (en) * 1997-10-28 1999-12-21 America Online, Inc. Audio codec using adaptive sparse vector quantization with subband vector classification

Also Published As

Publication number Publication date
AU4227900A (en) 2000-11-02
HK1045747A1 (en) 2002-12-06
KR100893281B1 (ko) 2009-04-17
ATE269574T1 (de) 2004-07-15
TW536692B (en) 2003-06-11
EP1175670B2 (en) 2007-09-19
WO2000063886A1 (en) 2000-10-26
MY122486A (en) 2006-04-29
EP1175670A1 (en) 2002-01-30
KR20010112434A (ko) 2001-12-20
JP4843142B2 (ja) 2011-12-21
CA2368453A1 (en) 2000-10-26
ES2218148T3 (es) 2004-11-16
BR0010672A (pt) 2002-02-19
AR023444A1 (es) 2002-09-04
JP2002542522A (ja) 2002-12-10
ES2218148T5 (es) 2008-02-16
DE60011606D1 (de) 2004-07-22
DK1175670T3 (da) 2004-10-11
BRPI0010672B1 (pt) 2016-06-07
CA2368453C (en) 2009-12-08
AU771454B2 (en) 2004-03-25
DK1175670T4 (da) 2007-11-19
MXPA01010447A (es) 2002-07-30
DE60011606T2 (de) 2005-06-23
CN1158646C (zh) 2004-07-21
HK1045747B (zh) 2004-12-31
EP1175670B1 (en) 2004-06-16
CN1347549A (zh) 2002-05-01

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