HK1154984A1 - Method and apparatus for generating a number of output audio channels - Google Patents

Method and apparatus for generating a number of output audio channels

Info

Publication number
HK1154984A1
HK1154984A1 HK11109165.7A HK11109165A HK1154984A1 HK 1154984 A1 HK1154984 A1 HK 1154984A1 HK 11109165 A HK11109165 A HK 11109165A HK 1154984 A1 HK1154984 A1 HK 1154984A1
Authority
HK
Hong Kong
Prior art keywords
decoder
data
hierarchical
data stream
audio
Prior art date
Application number
HK11109165.7A
Other languages
English (en)
Inventor
Erik G P Schuijers
Gerard H Hotho
Heiko Purnhagen
Wolfgang A Schildbach
Holger Horich
Hans M K Kjorling
Karl J Roeden
Original Assignee
Koninkl Philips Electronics Nv
Dolby Int Ab
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 Koninkl Philips Electronics Nv, Dolby Int Ab filed Critical Koninkl Philips Electronics Nv
Publication of HK1154984A1 publication Critical patent/HK1154984A1/xx

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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/233—Processing of audio elementary streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Amplifiers (AREA)
HK11109165.7A 2005-07-14 2011-08-30 Method and apparatus for generating a number of output audio channels HK1154984A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05106466 2005-07-14

Publications (1)

Publication Number Publication Date
HK1154984A1 true HK1154984A1 (en) 2012-05-04

Family

ID=37467582

Family Applications (1)

Application Number Title Priority Date Filing Date
HK11109165.7A HK1154984A1 (en) 2005-07-14 2011-08-30 Method and apparatus for generating a number of output audio channels

Country Status (14)

Country Link
US (1) US7966191B2 (fr)
EP (2) EP1902443B1 (fr)
JP (2) JP5097702B2 (fr)
KR (2) KR101496193B1 (fr)
CN (2) CN101223575B (fr)
AT (2) ATE433182T1 (fr)
BR (1) BRPI0613469A2 (fr)
DE (1) DE602006007139D1 (fr)
ES (2) ES2374309T3 (fr)
HK (1) HK1154984A1 (fr)
MX (1) MX2008000504A (fr)
PL (2) PL1902443T3 (fr)
RU (2) RU2418385C2 (fr)
WO (1) WO2007007263A2 (fr)

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CN101361122B (zh) 2006-04-03 2012-12-19 Lg电子株式会社 处理媒体信号的装置及其方法
MX2009007412A (es) * 2007-01-10 2009-07-17 Koninkl Philips Electronics Nv Decodificador de audio.
US20100241434A1 (en) * 2007-02-20 2010-09-23 Kojiro Ono Multi-channel decoding device, multi-channel decoding method, program, and semiconductor integrated circuit
KR101100213B1 (ko) * 2007-03-16 2011-12-28 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
CN102968994B (zh) * 2007-10-22 2015-07-15 韩国电子通信研究院 多对象音频解码方法和设备
EP4293665A3 (fr) * 2008-10-29 2024-01-10 Dolby International AB Protection d'écrêtage de signal utilisant des métadonnées de gain audio préexistantes
KR20110022251A (ko) * 2009-08-27 2011-03-07 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
WO2011048099A1 (fr) 2009-10-20 2011-04-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codeur audio, décodeur audio, procédé de codage d'une information audio, procédé de décodage d'une information audio, et programme informatique utilisant une règle de cartographie de codage arithmétique dépendant d'une région
WO2011073201A2 (fr) * 2009-12-16 2011-06-23 Dolby International Ab Mixage réducteur de paramètres de flux de bits sbr
CN102142924B (zh) * 2010-02-03 2014-04-09 中兴通讯股份有限公司 一种多用途语音频编码传输方法和装置
SG193237A1 (en) 2011-03-28 2013-10-30 Dolby Lab Licensing Corp Reduced complexity transform for a low-frequency-effects channel
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
WO2014126688A1 (fr) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Procédés de détection transitoire et de commande de décorrélation de signal audio
EP2956935B1 (fr) * 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Contrôle de la cohérence inter-canaux de signaux audio mélangés
US9818412B2 (en) 2013-05-24 2017-11-14 Dolby International Ab Methods for audio encoding and decoding, corresponding computer-readable media and corresponding audio encoder and decoder
TWI634547B (zh) * 2013-09-12 2018-09-01 瑞典商杜比國際公司 在包含至少四音訊聲道的多聲道音訊系統中之解碼方法、解碼裝置、編碼方法以及編碼裝置以及包含電腦可讀取的媒體之電腦程式產品
KR102244379B1 (ko) * 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
CN105637581B (zh) 2013-10-21 2019-09-20 杜比国际公司 用于音频信号的参数重建的去相关器结构
EP2866475A1 (fr) 2013-10-23 2015-04-29 Thomson Licensing Procédé et appareil pour décoder une représentation du champ acoustique audio pour lecture audio utilisant des configurations 2D
EP3540732B1 (fr) * 2014-10-31 2023-07-26 Dolby International AB Décodage paramétriques de signaux audio multicanaux
RU2019138260A (ru) * 2015-06-24 2019-12-05 Сони Корпорейшн Устройство, способ и программа аудиообработки
US10416954B2 (en) 2017-04-28 2019-09-17 Microsoft Technology Licensing, Llc Streaming of augmented/virtual reality spatial audio/video

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JP3298478B2 (ja) * 1997-11-10 2002-07-02 日本電気株式会社 Ｍｐｅｇ復号装置
JPH11330980A (ja) * 1998-05-13 1999-11-30 Matsushita Electric Ind Co Ltd 復号装置及びその復号方法、並びにその復号の手順を記録した記録媒体
JP2001268697A (ja) * 2000-03-22 2001-09-28 Sony Corp データ伝送システム、データ伝送装置、データ伝送方法
WO2004019656A2 (fr) 2001-02-07 2004-03-04 Dolby Laboratories Licensing Corporation Modulation spatiale de canal audio
US6996523B1 (en) * 2001-02-13 2006-02-07 Hughes Electronics Corporation Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
EP1500084B1 (fr) * 2002-04-22 2008-01-23 Koninklijke Philips Electronics N.V. Representation parametrique d'un signal audio spatial
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US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
JP4676140B2 (ja) * 2002-09-04 2011-04-27 マイクロソフト コーポレーション オーディオの量子化および逆量子化
FR2852172A1 (fr) * 2003-03-04 2004-09-10 France Telecom Procede et dispositif de reconstruction spectrale d'un signal audio
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
KR100571824B1 (ko) * 2003-11-26 2006-04-17 삼성전자주식회사 부가정보 삽입된 ｍｐｅｇ-4 오디오 ｂｓａｃ부호화/복호화 방법 및 장치
US7613306B2 (en) * 2004-02-25 2009-11-03 Panasonic Corporation Audio encoder and audio decoder
KR101183862B1 (ko) * 2004-04-05 2012-09-20 코닌클리케 필립스 일렉트로닉스 엔.브이. 스테레오 신호를 처리하기 위한 방법 및 디바이스, 인코더 장치, 디코더 장치 및 오디오 시스템
ATE403217T1 (de) * 2004-04-28 2008-08-15 Matsushita Electric Ind Co Ltd Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren
ATE433182T1 (de) * 2005-07-14 2009-06-15 Koninkl Philips Electronics Nv Audiokodierung und audiodekodierung
JP5321820B2 (ja) * 2009-04-23 2013-10-23 セイコーエプソン株式会社 用紙搬送装置

Also Published As

Publication number Publication date
KR20100134084A (ko) 2010-12-22
JP2011059711A (ja) 2011-03-24
MX2008000504A (es) 2008-03-07
DE602006007139D1 (de) 2009-07-16
CN102013256A (zh) 2011-04-13
CN102013256B (zh) 2013-12-18
ATE433182T1 (de) 2009-06-15
ATE523877T1 (de) 2011-09-15
PL2088580T3 (pl) 2012-07-31
PL1902443T3 (pl) 2009-12-31
RU2010137467A (ru) 2012-03-20
EP2088580A2 (fr) 2009-08-12
RU2008105556A (ru) 2009-08-20
CN101223575B (zh) 2011-09-21
KR20080037672A (ko) 2008-04-30
KR101492826B1 (ko) 2015-02-13
EP2088580A3 (fr) 2009-08-19
RU2461078C2 (ru) 2012-09-10
KR101496193B1 (ko) 2015-02-26
JP2009501354A (ja) 2009-01-15
JP5269039B2 (ja) 2013-08-21
EP1902443A2 (fr) 2008-03-26
EP2088580B1 (fr) 2011-09-07
ES2327158T3 (es) 2009-10-26
CN101223575A (zh) 2008-07-16
RU2418385C2 (ru) 2011-05-10
BRPI0613469A2 (pt) 2012-11-06
EP1902443B1 (fr) 2009-06-03
JP5097702B2 (ja) 2012-12-12
US20080255856A1 (en) 2008-10-16
ES2374309T3 (es) 2012-02-15
WO2007007263A3 (fr) 2007-03-29
WO2007007263A2 (fr) 2007-01-18
US7966191B2 (en) 2011-06-21

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