PL1902443T3 - Kodowanie i dekodowanie sygnałów audio - Google Patents

Kodowanie i dekodowanie sygnałów audio

Info

Publication number
PL1902443T3
PL1902443T3 PL06766049T PL06766049T PL1902443T3 PL 1902443 T3 PL1902443 T3 PL 1902443T3 PL 06766049 T PL06766049 T PL 06766049T PL 06766049 T PL06766049 T PL 06766049T PL 1902443 T3 PL1902443 T3 PL 1902443T3
Authority
PL
Poland
Prior art keywords
decoder
data
hierarchical
audio
data stream
Prior art date
Application number
PL06766049T
Other languages
English (en)
Inventor
Erik G P Schuijers
Gerard H Hotho
Heiko Purnhagen
Wolfgang A Schildbach
Holger Hoerich
Hans M Kjoerling
Karl J Rödén
Original Assignee
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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of PL1902443T3 publication Critical patent/PL1902443T3/pl

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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Amplifiers (AREA)
PL06766049T 2005-07-14 2006-07-07 Kodowanie i dekodowanie sygnałów audio PL1902443T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05106466 2005-07-14
PCT/IB2006/052309 WO2007007263A2 (en) 2005-07-14 2006-07-07 Audio encoding and decoding
EP06766049A EP1902443B1 (en) 2005-07-14 2006-07-07 Audio encoding and decoding

Publications (1)

Publication Number Publication Date
PL1902443T3 true PL1902443T3 (pl) 2009-12-31

Family

ID=37467582

Family Applications (2)

Application Number Title Priority Date Filing Date
PL09005485T PL2088580T3 (pl) 2005-07-14 2006-07-07 Kodowanie sygnałów audio
PL06766049T PL1902443T3 (pl) 2005-07-14 2006-07-07 Kodowanie i dekodowanie sygnałów audio

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL09005485T PL2088580T3 (pl) 2005-07-14 2006-07-07 Kodowanie sygnałów audio

Country Status (13)

Country Link
US (1) US7966191B2 (pl)
EP (2) EP2088580B1 (pl)
JP (2) JP5097702B2 (pl)
KR (2) KR101492826B1 (pl)
CN (2) CN102013256B (pl)
AT (2) ATE433182T1 (pl)
BR (1) BRPI0613469A2 (pl)
DE (1) DE602006007139D1 (pl)
ES (2) ES2374309T3 (pl)
MX (1) MX2008000504A (pl)
PL (2) PL2088580T3 (pl)
RU (2) RU2418385C2 (pl)
WO (1) WO2007007263A2 (pl)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101492826B1 (ko) * 2005-07-14 2015-02-13 코닌클리케 필립스 엔.브이. 다수의 출력 오디오 채널들을 생성하기 위한 장치 및 방법과, 그 장치를 포함하는 수신기 및 오디오 재생 디바이스, 데이터 스트림 수신 방법, 및 컴퓨터 판독가능 기록매체
JP5113052B2 (ja) 2005-07-29 2013-01-09 エルジー エレクトロニクス インコーポレイティド 符号化されたオーディオ信号の生成方法及びオーディオ信号の処理方法
KR101218776B1 (ko) * 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
WO2007114624A1 (en) 2006-04-03 2007-10-11 Lg Electronics, Inc. Apparatus for processing media signal and method thereof
WO2008084427A2 (en) * 2007-01-10 2008-07-17 Koninklijke Philips Electronics N.V. Audio decoder
EP2093757A4 (en) * 2007-02-20 2012-02-22 Panasonic Corp MULTI-CHANNEL DECODING DEVICE, MULTI-CHANNEL DECODING METHOD, PROGRAM AND INTEGRATED SEMICONDUCTOR SWITCHING
US20100106271A1 (en) * 2007-03-16 2010-04-29 Lg Electronics Inc. Method and an apparatus for processing an audio signal
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
EP2624253A3 (en) * 2007-10-22 2013-11-06 Electronics and Telecommunications Research Institute Multi-object audio encoding and decoding method and apparatus thereof
RU2468451C1 (ru) * 2008-10-29 2012-11-27 Долби Интернэшнл Аб Защита от ограничения сигнала с использованием заранее существующих метаданных коэффициента усиления аудиосигнала
KR20110022251A (ko) * 2009-08-27 2011-03-07 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
EP2491554B1 (en) 2009-10-20 2014-03-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule
BR112012014856B1 (pt) * 2009-12-16 2022-10-18 Dolby International Ab Método para fundir conjuntos de fonte de parâmetros de sbr a conjuntos-alvo de parâmetros de sbr, meio de armazenamento não transitório e unidade de fusão de parâmetros de 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
MX2013011131A (es) 2011-03-28 2013-10-30 Dolby Lab Licensing Corp Transformada con complejidad reducida para canal de efectos de baja frecuencia.
WO2014126688A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
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
EP2956935B1 (en) * 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
WO2014187987A1 (en) 2013-05-24 2014-11-27 Dolby International Ab Methods for audio encoding and decoding, corresponding computer-readable media and corresponding audio encoder and decoder
TWI713018B (zh) * 2013-09-12 2020-12-11 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統
US9978385B2 (en) 2013-10-21 2018-05-22 Dolby International Ab Parametric reconstruction of audio signals
UA117258C2 (uk) 2013-10-21 2018-07-10 Долбі Інтернешнл Аб Структура декорелятора для параметричного відновлення звукових сигналів
EP2866475A1 (en) 2013-10-23 2015-04-29 Thomson Licensing Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups
EP3213323B1 (en) * 2014-10-31 2018-12-12 Dolby International AB Parametric encoding and decoding of multichannel audio signals
SG11201710080XA (en) * 2015-06-24 2018-01-30 Sony Corp Audio processing apparatus and method, and program
US10416954B2 (en) 2017-04-28 2019-09-17 Microsoft Technology Licensing, Llc Streaming of augmented/virtual reality spatial audio/video
EP3719799A1 (en) 2019-04-04 2020-10-07 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3943879B4 (de) * 1989-04-17 2008-07-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
DE4236989C2 (de) * 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
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
US6539357B1 (en) * 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
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 (en) 2001-02-07 2004-03-04 Dolby Laboratories Licensing Corporation Audio channel spatial translation
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
EP1881486B1 (en) * 2002-04-22 2009-03-18 Koninklijke Philips Electronics N.V. Decoding apparatus with decorrelator unit
JP4322207B2 (ja) 2002-07-12 2009-08-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ符号化方法
BR0305555A (pt) * 2002-07-16 2004-09-28 Koninkl Philips Electronics Nv Método e codificador para codificar um sinal de áudio, aparelho para fornecimento de um sinal de áudio, sinal de áudio codificado, meio de armazenamento, e, método e decodificador para decodificar um sinal de áudio codificado
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
JPWO2005081229A1 (ja) * 2004-02-25 2007-10-25 松下電器産業株式会社 オーディオエンコーダ及びオーディオデコーダ
ES2426917T3 (es) * 2004-04-05 2013-10-25 Koninklijke Philips N.V. Aparato codificador, aparato decodificador, sus métodos y sistema de audio asociado
BRPI0510513A (pt) * 2004-04-28 2007-10-30 Matsushita Electric Industrial Co Ltd aparelho de codificação em hierarquia e método de codificação em hierarquia
KR101492826B1 (ko) * 2005-07-14 2015-02-13 코닌클리케 필립스 엔.브이. 다수의 출력 오디오 채널들을 생성하기 위한 장치 및 방법과, 그 장치를 포함하는 수신기 및 오디오 재생 디바이스, 데이터 스트림 수신 방법, 및 컴퓨터 판독가능 기록매체
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
JP5097702B2 (ja) 2012-12-12
RU2008105556A (ru) 2009-08-20
EP2088580A3 (en) 2009-08-19
CN101223575A (zh) 2008-07-16
EP1902443B1 (en) 2009-06-03
RU2461078C2 (ru) 2012-09-10
HK1154984A1 (en) 2012-05-04
ES2374309T3 (es) 2012-02-15
CN102013256A (zh) 2011-04-13
JP2011059711A (ja) 2011-03-24
JP2009501354A (ja) 2009-01-15
WO2007007263A2 (en) 2007-01-18
EP2088580A2 (en) 2009-08-12
KR20100134084A (ko) 2010-12-22
RU2010137467A (ru) 2012-03-20
ATE433182T1 (de) 2009-06-15
JP5269039B2 (ja) 2013-08-21
US7966191B2 (en) 2011-06-21
KR101496193B1 (ko) 2015-02-26
BRPI0613469A2 (pt) 2012-11-06
RU2418385C2 (ru) 2011-05-10
MX2008000504A (es) 2008-03-07
KR101492826B1 (ko) 2015-02-13
WO2007007263A3 (en) 2007-03-29
PL2088580T3 (pl) 2012-07-31
US20080255856A1 (en) 2008-10-16
ATE523877T1 (de) 2011-09-15
DE602006007139D1 (de) 2009-07-16
CN102013256B (zh) 2013-12-18
EP1902443A2 (en) 2008-03-26
CN101223575B (zh) 2011-09-21
KR20080037672A (ko) 2008-04-30
EP2088580B1 (en) 2011-09-07
ES2327158T3 (es) 2009-10-26

Similar Documents

Publication Publication Date Title
PL1902443T3 (pl) Kodowanie i dekodowanie sygnałów audio
ATE473502T1 (de) Mehrkanal-audiocodierung
MX2011011399A (es) Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto.
MY159022A (en) Improved audio coding system using spectral hole filling
BR0304540A (pt) Métodos para codificar um sinal de áudio, e para decodificar um sinal de áudio codificado, codificador para codificar um sinal de áudio, aparelho para fornecer um sinal de áudio, sinal de áudio codificado, meio de armazenagem, e, decodificador para decodificar um sinal de áudio codificado
BRPI0608036A2 (pt) dispositivo e método para a geração de um sinal estéreo codificado de uma peça de áudio ou fluxo de dados de áudio
ATE390019T1 (de) Videocodierer und videocodierungsverfahren
WO2007008004A3 (en) Apparatus and method of encoding and decoding audio signal
TW200746051A (en) Apparatus and method for encoding and decoding signal
WO2008127536A3 (en) Methods and apparatus for video usability information (vui) for scalable video coding (svc)
MY204539A (en) Coding of audio scenes
WO2006030340A3 (en) Combined audio coding minimizing perceptual distortion
TW200723887A (en) Method and apparatus for weighted prediction for scalable video coding
SE0400417L (sv) Naturtrogenhetsoptimerad kodning med variabel ramlängd
WO2008035275A3 (en) Encoding and decoding of audio objects
EP2453437A3 (en) Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
DE602006002501D1 (de) Audiokodierung und audiodekodierung
WO2007138419A3 (en) Decoding of predictively coded data using buffer adaptation
EP1668913A4 (en) Scalable video coding and decoding methods and scalable video coder and decoder
TW200711479A (en) Improved encoding of multimedia data
WO2002025953A3 (en) Video and audio transcoder
WO2008146466A1 (ja) オーディオ復号装置、オーディオ復号方法、プログラム及び集積回路
BRPI0516201A (pt) aparelho de codificação escalonável e método de codificação escalonável
DE602005008574D1 (de) Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren
WO2008016600A3 (en) Video encoding