ATE269574T1 - Audiokodierung mit verstärkungsadaptiver quantisierung und symbolen verschiedener länge - Google Patents

Audiokodierung mit verstärkungsadaptiver quantisierung und symbolen verschiedener länge

Info

Publication number
ATE269574T1
ATE269574T1 AT00922036T AT00922036T ATE269574T1 AT E269574 T1 ATE269574 T1 AT E269574T1 AT 00922036 T AT00922036 T AT 00922036T AT 00922036 T AT00922036 T AT 00922036T AT E269574 T1 ATE269574 T1 AT E269574T1
Authority
AT
Austria
Prior art keywords
symbols
different length
audio coding
adaptive quantization
gain adaptive
Prior art date
Application number
AT00922036T
Other languages
German (de)
English (en)
Inventor
Grant Allen Davidson
Charles Quito Robinson
Michael Mead 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=ATE269574(T1) "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
Application granted granted Critical
Publication of ATE269574T1 publication Critical patent/ATE269574T1/de

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)
AT00922036T 1999-04-16 2000-04-11 Audiokodierung mit verstärkungsadaptiver quantisierung und symbolen verschiedener länge ATE269574T1 (de)

Applications Claiming Priority (3)

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
PCT/US2000/009604 WO2000063886A1 (fr) 1999-04-16 2000-04-11 Mise en oeuvre d'une quantification a gain adaptatif et de longueurs de symboles non uniformes pour codage audio

Publications (1)

Publication Number Publication Date
ATE269574T1 true ATE269574T1 (de) 2004-07-15

Family

ID=26968028

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00922036T ATE269574T1 (de) 1999-04-16 2000-04-11 Audiokodierung mit verstärkungsadaptiver quantisierung und symbolen verschiedener länge

Country Status (17)

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

Families Citing this family (13)

* 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
EP1989707A2 (fr) * 2006-02-24 2008-11-12 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
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
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
US8924222B2 (en) 2010-07-30 2014-12-30 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for coding of harmonic signals
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
CN107197272B (zh) * 2011-08-29 2019-12-06 苗太平洋控股有限公司 以合并模式对图像编码的方法
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
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
DE60011606T2 (de) 2005-06-23
JP4843142B2 (ja) 2011-12-21
ES2218148T3 (es) 2004-11-16
HK1045747B (zh) 2004-12-31
CA2368453A1 (fr) 2000-10-26
AU771454B2 (en) 2004-03-25
TW536692B (en) 2003-06-11
DK1175670T3 (da) 2004-10-11
WO2000063886A1 (fr) 2000-10-26
KR100893281B1 (ko) 2009-04-17
AR023444A1 (es) 2002-09-04
MY122486A (en) 2006-04-29
EP1175670A1 (fr) 2002-01-30
CN1158646C (zh) 2004-07-21
DK1175670T4 (da) 2007-11-19
CA2368453C (fr) 2009-12-08
JP2002542522A (ja) 2002-12-10
DE60011606T3 (de) 2008-01-24
ES2218148T5 (es) 2008-02-16
HK1045747A1 (en) 2002-12-06
EP1175670B1 (fr) 2004-06-16
BR0010672A (pt) 2002-02-19
KR20010112434A (ko) 2001-12-20
CN1347549A (zh) 2002-05-01
AU4227900A (en) 2000-11-02
MXPA01010447A (es) 2002-07-30
DE60011606D1 (de) 2004-07-22
EP1175670B2 (fr) 2007-09-19
BRPI0010672B1 (pt) 2016-06-07

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