ES2218148T5 - Empleo de cuantificacion de ganancia adaptable y longitudes no uniformes de simbolos para codificcion de audio. - Google Patents

Empleo de cuantificacion de ganancia adaptable y longitudes no uniformes de simbolos para codificcion de audio. Download PDF

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Publication number
ES2218148T5
ES2218148T5 ES00922036T ES00922036T ES2218148T5 ES 2218148 T5 ES2218148 T5 ES 2218148T5 ES 00922036 T ES00922036 T ES 00922036T ES 00922036 T ES00922036 T ES 00922036T ES 2218148 T5 ES2218148 T5 ES 2218148T5
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Spain
Prior art keywords
components
subband
signal
block
component
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Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES00922036T
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English (en)
Spanish (es)
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ES2218148T3 (es
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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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=ES2218148(T5) "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 Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of ES2218148T3 publication Critical patent/ES2218148T3/es
Application granted granted Critical
Publication of ES2218148T5 publication Critical patent/ES2218148T5/es
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/032Quantisation or dequantisation of spectral components
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • G10L19/0208Subband 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)
ES00922036T 1999-04-16 2000-04-11 Empleo de cuantificacion de ganancia adaptable y longitudes no uniformes de simbolos para codificcion de audio. Expired - Lifetime ES2218148T5 (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US29357799A 1999-04-16 1999-04-16
US293577 1999-04-16
US349645 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

Publications (2)

Publication Number Publication Date
ES2218148T3 ES2218148T3 (es) 2004-11-16
ES2218148T5 true ES2218148T5 (es) 2008-02-16

Family

ID=26968028

Family Applications (1)

Application Number Title Priority Date Filing Date
ES00922036T Expired - Lifetime ES2218148T5 (es) 1999-04-16 2000-04-11 Empleo de cuantificacion de ganancia adaptable y longitudes no uniformes de simbolos para codificcion de audio.

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 (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
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
CN101390158B (zh) * 2006-02-24 2012-03-14 法国电信公司 量化索引的编码方法、解码信号包络方法、编解码模块
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
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
CN107257480B (zh) * 2011-08-29 2020-05-29 苗太平洋控股有限公司 以amvp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
WO1995032499A1 (fr) * 1994-05-25 1995-11-30 Sony Corporation Procede de codage, procede de decodage, procede de codage-decodage, codeur, decodeur et codeur-decodeur
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
BR0010672A (pt) 2002-02-19
DE60011606T3 (de) 2008-01-24
AU771454B2 (en) 2004-03-25
CN1158646C (zh) 2004-07-21
DE60011606D1 (de) 2004-07-22
ES2218148T3 (es) 2004-11-16
DK1175670T4 (da) 2007-11-19
JP4843142B2 (ja) 2011-12-21
MXPA01010447A (es) 2002-07-30
KR20010112434A (ko) 2001-12-20
TW536692B (en) 2003-06-11
EP1175670B2 (de) 2007-09-19
MY122486A (en) 2006-04-29
CA2368453C (en) 2009-12-08
JP2002542522A (ja) 2002-12-10
HK1045747B (zh) 2004-12-31
EP1175670A1 (de) 2002-01-30
CN1347549A (zh) 2002-05-01
WO2000063886A1 (en) 2000-10-26
AU4227900A (en) 2000-11-02
BRPI0010672B1 (pt) 2016-06-07
KR100893281B1 (ko) 2009-04-17
EP1175670B1 (de) 2004-06-16
AR023444A1 (es) 2002-09-04
CA2368453A1 (en) 2000-10-26
HK1045747A1 (en) 2002-12-06
DE60011606T2 (de) 2005-06-23
ATE269574T1 (de) 2004-07-15
DK1175670T3 (da) 2004-10-11

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