DE602005005441D1 - Audiocodierung auf der basis von blockgruppierung - Google Patents

Audiocodierung auf der basis von blockgruppierung

Info

Publication number
DE602005005441D1
DE602005005441D1 DE602005005441T DE602005005441T DE602005005441D1 DE 602005005441 D1 DE602005005441 D1 DE 602005005441D1 DE 602005005441 T DE602005005441 T DE 602005005441T DE 602005005441 T DE602005005441 T DE 602005005441T DE 602005005441 D1 DE602005005441 D1 DE 602005005441D1
Authority
DE
Germany
Prior art keywords
search
optimal
groups
control parameters
audiocoding
Prior art date
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.)
Active
Application number
DE602005005441T
Other languages
English (en)
Other versions
DE602005005441T2 (de
Inventor
Matthew Conrad Fellers
Mark Stuart Vinton
Claus Bauer
Grant Allen Davidson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories 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
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of DE602005005441D1 publication Critical patent/DE602005005441D1/de
Application granted granted Critical
Publication of DE602005005441T2 publication Critical patent/DE602005005441T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • G10L25/60—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination for measuring the quality of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Road Signs Or Road Markings (AREA)
DE602005005441T 2004-01-20 2005-01-19 Audiocodierung auf der basis von blockgruppierung Active DE602005005441T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US53798404P 2004-01-20 2004-01-20
US537984P 2004-01-20
PCT/US2005/001715 WO2005071667A1 (en) 2004-01-20 2005-01-19 Audio coding based on block grouping

Publications (2)

Publication Number Publication Date
DE602005005441D1 true DE602005005441D1 (de) 2008-04-30
DE602005005441T2 DE602005005441T2 (de) 2009-04-23

Family

ID=34807152

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005005441T Active DE602005005441T2 (de) 2004-01-20 2005-01-19 Audiocodierung auf der basis von blockgruppierung

Country Status (16)

Country Link
US (1) US7840410B2 (de)
EP (1) EP1706866B1 (de)
JP (1) JP5069909B2 (de)
KR (1) KR20060131798A (de)
CN (1) CN1910656B (de)
AT (1) ATE389932T1 (de)
AU (1) AU2005207596A1 (de)
CA (1) CA2552881A1 (de)
DE (1) DE602005005441T2 (de)
DK (1) DK1706866T3 (de)
ES (1) ES2299998T3 (de)
HK (1) HK1091024A1 (de)
IL (1) IL176483A0 (de)
PL (1) PL1706866T3 (de)
TW (1) TW200534602A (de)
WO (1) WO2005071667A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8154554B1 (en) 2006-07-28 2012-04-10 Nvidia Corporation Unified assembly instruction set for graphics processing
US8396119B1 (en) * 2009-09-30 2013-03-12 Ambarella, Inc. Data sample compression and decompression using randomized quantization bins
BR122020007866B1 (pt) 2009-10-21 2021-06-01 Dolby International Ab Sistema configurado para gerar um componente de alta frequência de um sinal de áudio, método para gerar um componente de alta frequência de um sinal de áudio e método para projetar um transpositor de harmônicos
JP2013050663A (ja) * 2011-08-31 2013-03-14 Nippon Hoso Kyokai <Nhk> 多チャネル音響符号化装置およびそのプログラム
CN103544957B (zh) 2012-07-13 2017-04-12 华为技术有限公司 音频信号的比特分配的方法和装置
CN105493182B (zh) * 2013-08-28 2020-01-21 杜比实验室特许公司 混合波形编码和参数编码语音增强
EP2993665A1 (de) * 2014-09-02 2016-03-09 Thomson Licensing Verfahren und Vorrichtung zur Codierung oder Decodierung von Teilbandkonfigurationsdaten für Teilbandgruppen
US9978388B2 (en) * 2014-09-12 2018-05-22 Knowles Electronics, Llc Systems and methods for restoration of speech components
WO2017027308A1 (en) 2015-08-07 2017-02-16 Dolby Laboratories Licensing Corporation Processing object-based audio signals
US20210350778A1 (en) * 2018-10-10 2021-11-11 Accusonus, Inc. Method and system for processing audio stems

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
EP0531538B1 (de) 1991-03-29 1998-04-15 Sony Corporation Reduzierung der Zusaztinformation bei Teilbandkodierungsverfahren
US6167375A (en) * 1997-03-17 2000-12-26 Kabushiki Kaisha Toshiba Method for encoding and decoding a speech signal including background noise
DE19730130C2 (de) * 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
US6300888B1 (en) * 1998-12-14 2001-10-09 Microsoft Corporation Entrophy code mode switching for frequency-domain audio coding
JP3739959B2 (ja) * 1999-03-23 2006-01-25 株式会社リコー デジタル音響信号符号化装置、デジタル音響信号符号化方法及びデジタル音響信号符号化プログラムを記録した媒体
JP2001154698A (ja) * 1999-11-29 2001-06-08 Victor Co Of Japan Ltd オーディオ符号化装置及びその方法
JP3597750B2 (ja) * 2000-04-11 2004-12-08 松下電器産業株式会社 グループ化方法及びグループ化装置
JP4635400B2 (ja) * 2001-09-27 2011-02-23 パナソニック株式会社 オーディオ信号符号化方法
JP3984468B2 (ja) * 2001-12-14 2007-10-03 松下電器産業株式会社 符号化装置、復号化装置及び符号化方法
DE60204038T2 (de) * 2001-11-02 2006-01-19 Matsushita Electric Industrial Co., Ltd., Kadoma Vorrichtung zum codieren bzw. decodieren eines audiosignals
JP4272897B2 (ja) * 2002-01-30 2009-06-03 パナソニック株式会社 符号化装置、復号化装置およびその方法
US7110941B2 (en) * 2002-03-28 2006-09-19 Microsoft Corporation System and method for embedded audio coding with implicit auditory masking
US20030215013A1 (en) * 2002-04-10 2003-11-20 Budnikov Dmitry N. Audio encoder with adaptive short window grouping
JP2003338998A (ja) * 2002-05-22 2003-11-28 Casio Comput Co Ltd 画像保存システム、及び画像保存装置
JP4062971B2 (ja) * 2002-05-27 2008-03-19 松下電器産業株式会社 オーディオ信号符号化方法
US7283968B2 (en) * 2003-09-29 2007-10-16 Sony Corporation Method for grouping short windows in audio encoding
JP2005165056A (ja) * 2003-12-03 2005-06-23 Canon Inc オーディオ信号符号化装置及び方法

Also Published As

Publication number Publication date
ATE389932T1 (de) 2008-04-15
US7840410B2 (en) 2010-11-23
JP2007523366A (ja) 2007-08-16
ES2299998T3 (es) 2008-06-01
EP1706866B1 (de) 2008-03-19
TW200534602A (en) 2005-10-16
IL176483A0 (en) 2006-10-05
JP5069909B2 (ja) 2012-11-07
WO2005071667A1 (en) 2005-08-04
KR20060131798A (ko) 2006-12-20
CN1910656A (zh) 2007-02-07
PL1706866T3 (pl) 2008-10-31
AU2005207596A1 (en) 2005-08-04
US20080133246A1 (en) 2008-06-05
CN1910656B (zh) 2010-11-03
CA2552881A1 (en) 2005-08-04
DK1706866T3 (da) 2008-06-09
EP1706866A1 (de) 2006-10-04
DE602005005441T2 (de) 2009-04-23
HK1091024A1 (en) 2007-01-05

Similar Documents

Publication Publication Date Title
DE602005005441D1 (de) Audiocodierung auf der basis von blockgruppierung
DK2237514T3 (da) Fremgangsmåde og apparat til indkodning og afsendelse af styreinformation i et kommunikationssystem
EP4072143A3 (de) Überlappte bewegungskompensation zur videocodierung
ATE473486T1 (de) Kompaktidentifizierung von hardware zur verbindung der software mit einem tolerantesänerungen computer system
GEP20135973B (en) Method and system controlling item production
BRPI0802614A2 (pt) métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto
MX2010004479A (es) Metodo y aparato para generar una capa de mejoramiento dentro de un sistema de codificacion de audio.
MY175460A (en) Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal
WO2007147107A3 (en) Encoding information in beacon signals
EP2102860A4 (de) Verfahren, medium und vorrichtung zum klassifizieren für ein audiosignal und verfahren, medium und vorrichtung zum codieren und/oder decodieren für ein audiosignal unter verwendung dieser
DE602006016017D1 (de) Steuerung der dekodierung binauraler audiosignale
WO2007145875A3 (en) Data coding
ATE480074T1 (de) Verbindungsanpassung in abhängigkeit von der kontrollsignalisierung
GB0710211D0 (en) AMR Spectrography
EP1960999A4 (de) Verfahren, medium und vorrichtung zur codierung und/oder decodierung eines audiosignals
FR2957214B1 (fr) Procede de transmission optique par signaux laser
ATE545050T1 (de) Steuerung von unterirdischen sicherheitsventilen
TW200703014A (en) System and method of adjusting output voltage of a transmitter based on error rate
WO2013068709A3 (en) Downhole structure sections
EP2355515A3 (de) Skalierbare Videokodierung
WO2007117747A3 (en) Systems and methods for transcoding bit streams
MX353711B (es) Sistemas, métodos y dispositivos de comunicaciones electrónicas que tienen pérdida incrementada de información.
MX2007011363A (es) Metodo para precision de determinacion de ubicacion mejorada utilizando senales de determinacion de distancia filtradas y no filtradas.
TW200718118A (en) Space-time and/or space-frequency block coding using complex signal swapping
DE602005026937D1 (de) Sprachaktivitäterkennung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition