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)
  • 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)
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
EP06766049A EP1902443B1 (en) 2005-07-14 2006-07-07 Audio encoding and decoding
PCT/IB2006/052309 WO2007007263A2 (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
PL06766049T PL1902443T3 (pl) 2005-07-14 2006-07-07 Kodowanie i dekodowanie sygnałów audio
PL09005485T PL2088580T3 (pl) 2005-07-14 2006-07-07 Kodowanie sygnałów audio

Family Applications After (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) PL1902443T3 (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
CN102013256B (zh) * 2005-07-14 2013-12-18 皇家飞利浦电子股份有限公司 用于生成多个输出音频通道的方法及设备
MX2008001307A (es) 2005-07-29 2008-03-19 Lg Electronics Inc Metodo para la senalizacion de informacion de division.
KR101218776B1 (ko) 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
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
RU2466469C2 (ru) * 2007-01-10 2012-11-10 Конинклейке Филипс Электроникс Н.В. Аудиодекодер
US20100241434A1 (en) * 2007-02-20 2010-09-23 Kojiro Ono Multi-channel decoding device, multi-channel decoding method, program, and semiconductor integrated circuit
EP2130304A4 (en) 2007-03-16 2012-04-04 Lg Electronics Inc METHOD AND DEVICE 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
JP5603339B2 (ja) * 2008-10-29 2014-10-08 ドルビー インターナショナル アーベー 既存のオーディオゲインメタデータを使用した信号のクリッピングの保護
KR20110022251A (ko) * 2009-08-27 2011-03-07 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
ES2531013T3 (es) 2009-10-20 2015-03-10 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio, método para codificar información de audio, método para decodificar información de audio y programa de computación que usa la detección de un grupo de valores espectrales previamente decodificados
MX2012006823A (es) 2009-12-16 2012-07-23 Dolby Int Ab Mezcla descendente de parametros de corriente 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
EA030776B9 (ru) 2011-03-28 2019-01-31 Долби Лабораторис Лайсэнзин Корпорейшн Преобразование пониженной сложности для канала низкочастотных эффектов
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
EP2956935B1 (en) * 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
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
BR112015028914B1 (pt) 2013-05-24 2021-12-07 Dolby International Ab Método e aparelho para reconstruir um bloco de tempo/frequência de objetos de áudio n, método e codificador para gerar pelo menos um parâmetro de ponderação, e meio legível por computador
TWI774136B (zh) * 2013-09-12 2022-08-11 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
KR102244379B1 (ko) 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
KR101805327B1 (ko) 2013-10-21 2017-12-05 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성을 위한 역상관기 구조
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
WO2016066743A1 (en) * 2014-10-31 2016-05-06 Dolby International Ab Parametric encoding and decoding of multichannel audio signals
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
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
EP1500084B1 (en) * 2002-04-22 2008-01-23 Koninklijke Philips Electronics N.V. Parametric representation of spatial audio
BR0305434A (pt) 2002-07-12 2004-09-28 Koninkl Philips Electronics Nv Métodos e arranjos para codificar e para decodificar um sinal de áudio multicanal, aparelhos para fornecer um sinal de áudio codificado e um sinal de áudio decodificado, sinal de áudio multicanal codificado, e, meio de armazenagem
WO2004008806A1 (en) * 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Audio coding
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
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
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
CN1947172B (zh) * 2004-04-05 2011-08-03 皇家飞利浦电子股份有限公司 方法、装置、编码器设备、解码器设备以及音频系统
JP4679513B2 (ja) * 2004-04-28 2011-04-27 パナソニック株式会社 階層符号化装置および階層符号化方法
CN102013256B (zh) * 2005-07-14 2013-12-18 皇家飞利浦电子股份有限公司 用于生成多个输出音频通道的方法及设备
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
RU2010137467A (ru) 2012-03-20
US20080255856A1 (en) 2008-10-16
RU2461078C2 (ru) 2012-09-10
KR101492826B1 (ko) 2015-02-13
CN102013256A (zh) 2011-04-13
BRPI0613469A2 (pt) 2012-11-06
PL2088580T3 (pl) 2012-07-31
KR101496193B1 (ko) 2015-02-26
CN101223575A (zh) 2008-07-16
KR20100134084A (ko) 2010-12-22
JP5097702B2 (ja) 2012-12-12
ATE523877T1 (de) 2011-09-15
US7966191B2 (en) 2011-06-21
ES2374309T3 (es) 2012-02-15
RU2418385C2 (ru) 2011-05-10
HK1154984A1 (en) 2012-05-04
EP2088580B1 (en) 2011-09-07
JP2009501354A (ja) 2009-01-15
MX2008000504A (es) 2008-03-07
JP2011059711A (ja) 2011-03-24
EP1902443B1 (en) 2009-06-03
WO2007007263A3 (en) 2007-03-29
KR20080037672A (ko) 2008-04-30
RU2008105556A (ru) 2009-08-20
CN101223575B (zh) 2011-09-21
ES2327158T3 (es) 2009-10-26
WO2007007263A2 (en) 2007-01-18
ATE433182T1 (de) 2009-06-15
JP5269039B2 (ja) 2013-08-21
DE602006007139D1 (de) 2009-07-16
EP2088580A2 (en) 2009-08-12
EP2088580A3 (en) 2009-08-19
CN102013256B (zh) 2013-12-18
EP1902443A2 (en) 2008-03-26

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
WO2008005124A3 (en) Methods and apparatus for multi-view video encoding and decoding
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
WO2008005574A3 (en) Method and apparatus for decoupling frame number and/or picture order count (poc) for multi-view video encoding and decoding
WO2008127536A3 (en) Methods and apparatus for video usability information (vui) for scalable video coding (svc)
NO20074829L (no) Naer transparent eller transparent flerkanalsystem for koding/dekoding
MY204539A (en) Coding of audio scenes
WO2006030340A3 (en) Combined audio coding minimizing perceptual distortion
EP2453437A3 (en) Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
BR0206611A (pt) Método usando fontes de ruìdo sintéticas em um sistema de codificação de áudio de multi-canais para codificar um conjunto de sinais de áudio, codificador, para codificar canais de áudio codificados, decodificador para receber canais de áudio codificados e transformados, e, portador de dados
WO2008129855A1 (ja) 画像データ復号化装置、画像データ復号化方法
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
WO2006126115A3 (en) Predictive encoding of a multi channel signal
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
DE602005008574D1 (de) Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren
TW200737986A (en) Multiple layer video encoding