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 (14)

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) ES2327158T3 (pl)
HK (1) HK1154984A1 (pl)
MX (1) MX2008000504A (pl)
PL (2) PL1902443T3 (pl)
RU (2) RU2418385C2 (pl)
WO (1) WO2007007263A2 (pl)

Families Citing this family (26)

* 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
JP5113051B2 (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 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
JP5113151B2 (ja) 2006-04-03 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 メディア信号処理装置及びその方法
RU2466469C2 (ru) * 2007-01-10 2012-11-10 Конинклейке Филипс Электроникс Н.В. Аудиодекодер
EP2093757A4 (en) * 2007-02-20 2012-02-22 Panasonic Corp MULTIPLEX DECODING DEVICE, MULTIPLEX DECODING METHOD, PROGRAM, AND SEMICONDUCTOR INTEGRATED CIRCUIT
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
EP2511903A3 (en) * 2007-10-22 2012-11-28 Electronics and Telecommunications Research Institute Multi-object audio decoding method and apparatus thereof
EP4293665A3 (en) * 2008-10-29 2024-01-10 Dolby International AB Signal clipping protection using pre-existing audio gain metadata
KR20110022251A (ko) * 2009-08-27 2011-03-07 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
CA2778368C (en) 2009-10-20 2016-01-26 Fraunhofer-Gesellschaft Zur Foerderung 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 an iterative interval size reduction
CN102667920B (zh) * 2009-12-16 2014-03-12 杜比国际公司 Sbr比特流参数缩混
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
CA2826018C (en) 2011-03-28 2016-05-17 Dolby Laboratories Licensing Corporation Reduced complexity transform for a low-frequency-effects channel
WO2014126688A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
BR112015018522B1 (pt) * 2013-02-14 2021-12-14 Dolby Laboratories Licensing Corporation Método, aparelho e meio não transitório que tem um método armazenado no mesmo para controlar a coerência entre canais de sinais de áudio com upmix.
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
RU2628177C2 (ru) * 2013-05-24 2017-08-15 Долби Интернешнл Аб Способы кодирования и декодирования звука, соответствующие машиночитаемые носители и соответствующие устройство кодирования и устройство декодирования звука
TWI671734B (zh) * 2013-09-12 2019-09-11 瑞典商杜比國際公司 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編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、包含解碼裝置及編碼裝置的音訊系統
CA2926243C (en) 2013-10-21 2018-01-23 Lars Villemoes Decorrelator structure for parametric reconstruction of audio signals
RU2648947C2 (ru) 2013-10-21 2018-03-28 Долби Интернэшнл Аб Параметрическая реконструкция аудиосигналов
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
EP3540732B1 (en) * 2014-10-31 2023-07-26 Dolby International AB Parametric decoding of multichannel audio signals
US10567903B2 (en) * 2015-06-24 2020-02-18 Sony Corporation 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

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (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
CN1307612C (zh) * 2002-04-22 2007-03-28 皇家飞利浦电子股份有限公司 声频信号的编码解码方法、编码器、解码器及相关设备
CN100539742C (zh) 2002-07-12 2009-09-09 皇家飞利浦电子股份有限公司 多声道音频信号编解码方法和装置
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
CN1906664A (zh) * 2004-02-25 2007-01-31 松下电器产业株式会社 音频编码器和音频解码器
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
KR20070007851A (ko) * 2004-04-28 2007-01-16 마츠시타 덴끼 산교 가부시키가이샤 계층 부호화 장치 및 계층 부호화 방법
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
ATE523877T1 (de) 2011-09-15
EP2088580B1 (en) 2011-09-07
RU2010137467A (ru) 2012-03-20
BRPI0613469A2 (pt) 2012-11-06
CN101223575B (zh) 2011-09-21
EP2088580A2 (en) 2009-08-12
JP5269039B2 (ja) 2013-08-21
KR20080037672A (ko) 2008-04-30
ES2374309T3 (es) 2012-02-15
RU2008105556A (ru) 2009-08-20
ATE433182T1 (de) 2009-06-15
DE602006007139D1 (de) 2009-07-16
EP1902443A2 (en) 2008-03-26
RU2461078C2 (ru) 2012-09-10
KR20100134084A (ko) 2010-12-22
MX2008000504A (es) 2008-03-07
CN102013256A (zh) 2011-04-13
CN102013256B (zh) 2013-12-18
EP2088580A3 (en) 2009-08-19
HK1154984A1 (en) 2012-05-04
JP5097702B2 (ja) 2012-12-12
US20080255856A1 (en) 2008-10-16
JP2009501354A (ja) 2009-01-15
KR101496193B1 (ko) 2015-02-26
US7966191B2 (en) 2011-06-21
WO2007007263A3 (en) 2007-03-29
ES2327158T3 (es) 2009-10-26
KR101492826B1 (ko) 2015-02-13
EP1902443B1 (en) 2009-06-03
CN101223575A (zh) 2008-07-16
RU2418385C2 (ru) 2011-05-10
JP2011059711A (ja) 2011-03-24
WO2007007263A2 (en) 2007-01-18
PL2088580T3 (pl) 2012-07-31

Similar Documents

Publication Publication Date Title
PL2088580T3 (pl) Kodowanie sygnałów audio
ATE473502T1 (de) Mehrkanal-audiocodierung
MX2010004220A (es) Codificacion de audio usando mezcla descendente.
BRPI0608036A2 (pt) dispositivo e método para a geração de um sinal estéreo codificado de uma peça de áudio ou fluxo de dados de áudio
WO2008005124A3 (en) Methods and apparatus for multi-view video encoding and decoding
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
CA2645911A1 (en) Method for encoding and decoding object-based audio signal and apparatus thereof
NO20071493L (no) Individuell kanalforming for BCC-fremgangsmater og desslike.
MX357910B (es) Método y aparato para desacoplar el número de cuadro y/o la cuenta del orden de imagen (poc) para la codificación y decodificación de video de múltiples vistas.
WO2008127536A3 (en) Methods and apparatus for video usability information (vui) for scalable video coding (svc)
WO2007102782A3 (en) Methods and arrangements for audio coding and decoding
EP1905007A4 (en) METHOD AND APPARATUS FOR EXTRACTING A SIGNAL-SPECIFIC COMPONENT OF AN AUDIO SIGNAL, METHOD FOR ENCODING AND / OR DECODING AN AUDIO SIGNAL WITH LOW BIT RATE, APPARATUS USING THE SAME
DE602006002501D1 (de) Audiokodierung und audiodekodierung
HK1103501A1 (en) Multi-layer video coding and decoding methods and multi-layer video encoder and decoder
EP2453437A3 (en) Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
DE602007006957D1 (de) Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms
TW200711479A (en) Improved encoding of multimedia data
MY178342A (en) Coding of audio scenes
BRPI0516201A (pt) aparelho de codificação escalonável e método de codificação escalonável
DE602005008574D1 (de) Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren
TW200737986A (en) Multiple layer video encoding
MY145282A (en) Encoder, decoder, method for encoding/decoding, computer readable media and computer program elements
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