AU771454B2 - Using gain-adaptive quantization and non-uniform symbol lengths for audio coding - Google Patents

Using gain-adaptive quantization and non-uniform symbol lengths for audio coding Download PDF

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Publication number
AU771454B2
AU771454B2 AU42279/00A AU4227900A AU771454B2 AU 771454 B2 AU771454 B2 AU 771454B2 AU 42279/00 A AU42279/00 A AU 42279/00A AU 4227900 A AU4227900 A AU 4227900A AU 771454 B2 AU771454 B2 AU 771454B2
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Australia
Prior art keywords
components
subband
signal
gain factor
component
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Expired
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AU42279/00A
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AU4227900A (en
Inventor
Grant Allen Davidson
Charles Quito Robinson
Michael Mead 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)
AU42279/00A 1999-04-16 2000-04-11 Using gain-adaptive quantization and non-uniform symbol lengths for audio coding Expired AU771454B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US29357799A 1999-04-16 1999-04-16
US09/293577 1999-04-16
US09/349645 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 (2)

Publication Number Publication Date
AU4227900A AU4227900A (en) 2000-11-02
AU771454B2 true AU771454B2 (en) 2004-03-25

Family

ID=26968028

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42279/00A Expired AU771454B2 (en) 1999-04-16 2000-04-11 Using gain-adaptive quantization and non-uniform symbol lengths for audio coding

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
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 (2)

* 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
US5924064A (en) * 1996-10-07 1999-07-13 Picturetel Corporation Variable length coding using a plurality of region bit allocation patterns

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0717392B1 (en) * 1994-05-25 2001-08-16 Sony Corporation Encoding method, decoding method, encoding-decoding method, encoder, decoder, and encoder-decoder
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
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
US5924064A (en) * 1996-10-07 1999-07-13 Picturetel Corporation Variable length coding using a plurality of region bit allocation patterns

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
JP4843142B2 (ja) 2011-12-21
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
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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