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
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 (en) 1999-04-16 2000-04-11 Using gain-adaptive quantization and non-uniform symbol lengths for audio coding

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 (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
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
MY122486A (en) 2006-04-29

Similar Documents

Publication Publication Date Title
DE60011606D1 (de) Audiokodierung mit verstärkungsadaptiver quantisierung und symbolen verschiedener länge
DE60308457D1 (de) Adaptive Modulation und Kodierung
AU2003302570A8 (en) Small signal threshold and proportional gain distributed digital communications
AU2001295860A1 (en) Soft decision maximum likelihood encoder and decoder
EP1154408A3 (de) Multimodale Sprachkodierung und Geräuschunterdrückung
GB2404539B (en) Adaptive modulation and coding
DE60230856D1 (de) Audiosignaldecodierungseinrichtung und audiosignalcodierungseinrichtung
AU6725500A (en) Voice encoder and voice encoding method
AU2001253014A1 (en) Adaptive power allocation with selective determination of modulation and coding
DE69940068D1 (de) Kodierung und dekodierung mehrkanaliger signale
HUP0204142A3 (en) Anti-egfrviii scfv-antibodies with improved cytotoxicity and yield, immunotoxins based thereon, and methods of use thereof
GB2374640B (en) Sliding bearing and method of manufacturing the same
GB0124460D0 (en) Telecommumination device with improved call-priority notification function and method of notification of call-priority
PL352993A1 (en) Methods of treating and/or suppressing weight gain
DE60212446D1 (de) Gegenstand mit retroreflektierenden und im radiofrequenzbereich ansprechenden eigenschaften
DE60132998D1 (de) Speiseeisprodukt und dessen herstellung
DE60044096D1 (de) Videokodierung und -dekodierung
GB0115187D0 (en) Copper-based sliding material method of manufacturing and same and sliding bearing
AU2003271995A1 (en) Huffman coding and decoding
GB0107405D0 (en) Field effect transistor structure and method of manufacture
DE60003368D1 (de) Viterbi Dekodierer und Sender
DE60229032D1 (de) Pseudo-Differenzverstärker und Analog-Digitalwandler mit einem solchen Verstärker
DE69902778D1 (de) Lautsprecherapparat und fernsehgerät
AU2003291087A8 (en) Ionene oligomers and polymers
EP1183682A4 (de) Quantisierung von spektralen sprachamplituden variabler dimension durch spektrale interpolation zwischen vorhergehenden und nachfolgenden rahmen

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1175670

Country of ref document: EP

UEP Publication of translation of european patent specification

Ref document number: 1175670

Country of ref document: EP