KR100893281B1 - 오디오 코딩을 위해 이득-적응형 양자화 및 비균일 심볼길이를 사용하는 방법 및 장치 - Google Patents

오디오 코딩을 위해 이득-적응형 양자화 및 비균일 심볼길이를 사용하는 방법 및 장치 Download PDF

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KR100893281B1
KR100893281B1 KR1020017013223A KR20017013223A KR100893281B1 KR 100893281 B1 KR100893281 B1 KR 100893281B1 KR 1020017013223 A KR1020017013223 A KR 1020017013223A KR 20017013223 A KR20017013223 A KR 20017013223A KR 100893281 B1 KR100893281 B1 KR 100893281B1
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subband
signal
component
gain
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KR20010112434A (ko
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그랜트알렌 데이비드손
찰스 큐이토 로빈슨
마이클 미드 트루만
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돌비 레버러토리즈 라이쎈싱 코오포레이션
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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)
KR1020017013223A 1999-04-16 2000-04-11 오디오 코딩을 위해 이득-적응형 양자화 및 비균일 심볼길이를 사용하는 방법 및 장치 Expired - Lifetime KR100893281B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US29357799A 1999-04-16 1999-04-16
US09/293,577 1999-04-16
US09/349,645 1999-07-08
US09/349,645 US6246345B1 (en) 1999-04-16 1999-07-08 Using gain-adaptive quantization and non-uniform symbol lengths for improved audio coding

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KR20010112434A KR20010112434A (ko) 2001-12-20
KR100893281B1 true KR100893281B1 (ko) 2009-04-17

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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)
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MX (1) MXPA01010447A (enExample)
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WO (1) WO2000063886A1 (enExample)

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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

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EP0717392A1 (en) * 1994-05-25 1996-06-19 Sony Corporation Encoding method, decoding method, encoding-decoding method, encoder, decoder, and encoder-decoder
US5924064A (en) * 1996-10-07 1999-07-13 Picturetel Corporation Variable length coding using a plurality of region bit allocation patterns

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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
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
US6006179A (en) * 1997-10-28 1999-12-21 America Online, Inc. Audio codec using adaptive sparse vector quantization with subband vector classification

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0717392A1 (en) * 1994-05-25 1996-06-19 Sony Corporation Encoding method, decoding method, encoding-decoding method, encoder, decoder, and encoder-decoder
US5924064A (en) * 1996-10-07 1999-07-13 Picturetel Corporation Variable length coding using a plurality of region bit allocation patterns

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
International Standard ISO/IEC 11172-3, First Edition, 1993-08-01: Information technology-Coding of moving pictures and associated audio for digital storage media at up to about 1,5 Mbit/s-Part3:Audio *
International Standard ISO/IEC 11172-3, First Edition, 1993-08-01: Information technology-Coding of moving pictures and associated audio for digital storage media at up to about 1,5 Mbit/s-Part3:Audio*

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AU4227900A (en) 2000-11-02
DE60011606T3 (de) 2008-01-24
HK1045747A1 (en) 2002-12-06
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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