MY122486A - 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

Info

Publication number
MY122486A
MY122486A MYPI20001607A MYPI20001607A MY122486A MY 122486 A MY122486 A MY 122486A MY PI20001607 A MYPI20001607 A MY PI20001607A MY PI20001607 A MYPI20001607 A MY PI20001607A MY 122486 A MY122486 A MY 122486A
Authority
MY
Malaysia
Prior art keywords
gain
coding
adaptive quantization
uniform length
huffman coding
Prior art date
Application number
MYPI20001607A
Other languages
English (en)
Inventor
Grant Allen Davidson
Charles Quito Robinson
Michael M Truman
Original Assignee
Dolby Lab Licensing Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26968028&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MY122486(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/349,645 external-priority patent/US6246345B1/en
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of MY122486A publication Critical patent/MY122486A/en

Links

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
    • 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

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
MYPI20001607A 1999-04-16 2000-04-14 Using gain-adaptive quantization and non-uniform symbol lengths for audio coding MY122486A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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

Publications (1)

Publication Number Publication Date
MY122486A true MY122486A (en) 2006-04-29

Family

ID=26968028

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20001607A MY122486A (en) 1999-04-16 2000-04-14 Using gain-adaptive quantization and non-uniform symbol lengths for audio coding

Country Status (17)

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

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
DE102004007184B3 (de) 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
DE102004007200B3 (de) 2004-02-13 2005-08-11 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
US8315880B2 (en) * 2006-02-24 2012-11-20 France Telecom Method for binary coding of quantization indices of a signal envelope, method for decoding a signal envelope and corresponding coding and decoding modules
DE102006022346B4 (de) 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalcodierung
JP5057590B2 (ja) * 2006-07-24 2012-10-24 マーベル ワールド トレード リミテッド 回転式データストレージデバイス用の制御システムおよびデータストレージデバイス
EP2132732B1 (de) * 2007-03-02 2012-03-07 Telefonaktiebolaget LM Ericsson (publ) Nachfilter für geschichtete codecs
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
BR112014004914B1 (pt) * 2011-08-29 2022-04-12 Ibex Pt Holdings Co., Ltd Método de codificação de uma imagem em um modo amvp
MX341885B (es) 2012-12-13 2016-09-07 Panasonic Ip Corp America Dispositivo de codificacion de sonido de voz, dispositivo de decodificacion de sonido de voz, metodo de codificacion de sonido de voz y metodo de decodificacion de sonido de voz.
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
EP0717392B1 (de) * 1994-05-25 2001-08-16 Sony Corporation Verfahren und vorrichtung zur kodierung, dekodierung und kodierung-dekodierung
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
DE60011606T3 (de) 2008-01-24
CA2368453C (en) 2009-12-08
HK1045747B (zh) 2004-12-31
AU771454B2 (en) 2004-03-25
BR0010672A (pt) 2002-02-19
CN1158646C (zh) 2004-07-21
DK1175670T3 (da) 2004-10-11
JP4843142B2 (ja) 2011-12-21
ATE269574T1 (de) 2004-07-15
CA2368453A1 (en) 2000-10-26
KR100893281B1 (ko) 2009-04-17
JP2002542522A (ja) 2002-12-10
EP1175670A1 (de) 2002-01-30
DE60011606D1 (de) 2004-07-22
KR20010112434A (ko) 2001-12-20
DE60011606T2 (de) 2005-06-23
EP1175670B1 (de) 2004-06-16
WO2000063886A1 (en) 2000-10-26
ES2218148T5 (es) 2008-02-16
AU4227900A (en) 2000-11-02
HK1045747A1 (en) 2002-12-06
MXPA01010447A (es) 2002-07-30
ES2218148T3 (es) 2004-11-16
EP1175670B2 (de) 2007-09-19
BRPI0010672B1 (pt) 2016-06-07
TW536692B (en) 2003-06-11
AR023444A1 (es) 2002-09-04
CN1347549A (zh) 2002-05-01
DK1175670T4 (da) 2007-11-19

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