JP4843142B2 - 音声符号化のための利得−適応性量子化及び不均一符号長の使用 - Google Patents

音声符号化のための利得−適応性量子化及び不均一符号長の使用 Download PDF

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JP4843142B2
JP4843142B2 JP2000612930A JP2000612930A JP4843142B2 JP 4843142 B2 JP4843142 B2 JP 4843142B2 JP 2000612930 A JP2000612930 A JP 2000612930A JP 2000612930 A JP2000612930 A JP 2000612930A JP 4843142 B2 JP4843142 B2 JP 4843142B2
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component
components
subband signal
quantized
signal
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JP2002542522A (ja
JP2002542522A5 (enExample
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デビッドソン、グラント・アレン
ロビンソン、チャールス・キート
トルーマン、マイケル・ミード
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Dolby Laboratories Licensing Corp
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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)
JP2000612930A 1999-04-16 2000-04-11 音声符号化のための利得−適応性量子化及び不均一符号長の使用 Expired - Lifetime JP4843142B2 (ja)

Applications Claiming Priority (5)

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
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)

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JP2002542522A JP2002542522A (ja) 2002-12-10
JP2002542522A5 JP2002542522A5 (enExample) 2007-06-14
JP4843142B2 true JP4843142B2 (ja) 2011-12-21

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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)
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
DE102004007191B3 (de) 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
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
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
KR101364979B1 (ko) * 2006-02-24 2014-02-20 오렌지 신호 엔벨로프의 양자화 인덱스들의 이진 코딩 방법과 신호엔벨로프의 디코딩 방법, 및 대응하는 코딩 모듈과 디코딩모듈
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
WO2008108701A1 (en) * 2007-03-02 2008-09-12 Telefonaktiebolaget Lm Ericsson (Publ) Postfilter for layered codecs
US20120029926A1 (en) 2010-07-30 2012-02-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
CN104883576B (zh) * 2011-08-29 2017-11-14 苗太平洋控股有限公司 以amvp模式产生预测区块的方法
JP6535466B2 (ja) 2012-12-13 2019-06-26 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 音声音響符号化装置、音声音響復号装置、音声音響符号化方法及び音声音響復号方法
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08237132A (ja) * 1995-02-27 1996-09-13 Sony Corp 信号符号化方法及び装置、信号復号化方法及び装置、並びに情報記録媒体及び情報伝送方法

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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
EP0717392B1 (en) * 1994-05-25 2001-08-16 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
US6006179A (en) * 1997-10-28 1999-12-21 America Online, Inc. Audio codec using adaptive sparse vector quantization with subband vector classification

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08237132A (ja) * 1995-02-27 1996-09-13 Sony Corp 信号符号化方法及び装置、信号復号化方法及び装置、並びに情報記録媒体及び情報伝送方法

Also Published As

Publication number Publication date
DK1175670T3 (da) 2004-10-11
EP1175670A1 (en) 2002-01-30
DK1175670T4 (da) 2007-11-19
DE60011606T3 (de) 2008-01-24
AU4227900A (en) 2000-11-02
WO2000063886A1 (en) 2000-10-26
CA2368453A1 (en) 2000-10-26
KR20010112434A (ko) 2001-12-20
DE60011606D1 (de) 2004-07-22
MY122486A (en) 2006-04-29
ES2218148T5 (es) 2008-02-16
TW536692B (en) 2003-06-11
EP1175670B2 (en) 2007-09-19
KR100893281B1 (ko) 2009-04-17
CN1347549A (zh) 2002-05-01
AU771454B2 (en) 2004-03-25
HK1045747A1 (en) 2002-12-06
MXPA01010447A (es) 2002-07-30
ATE269574T1 (de) 2004-07-15
ES2218148T3 (es) 2004-11-16
HK1045747B (zh) 2004-12-31
BRPI0010672B1 (pt) 2016-06-07
EP1175670B1 (en) 2004-06-16
CA2368453C (en) 2009-12-08
JP2002542522A (ja) 2002-12-10
BR0010672A (pt) 2002-02-19
DE60011606T2 (de) 2005-06-23
AR023444A1 (es) 2002-09-04
CN1158646C (zh) 2004-07-21

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