ES2327158T3 - Codificacion y decodificacion de audio. - Google Patents

Codificacion y decodificacion de audio. Download PDF

Info

Publication number
ES2327158T3
ES2327158T3 ES06766049T ES06766049T ES2327158T3 ES 2327158 T3 ES2327158 T3 ES 2327158T3 ES 06766049 T ES06766049 T ES 06766049T ES 06766049 T ES06766049 T ES 06766049T ES 2327158 T3 ES2327158 T3 ES 2327158T3
Authority
ES
Spain
Prior art keywords
data
decoder
hierarchical
channel
audio
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.)
Expired - Lifetime
Application number
ES06766049T
Other languages
English (en)
Spanish (es)
Inventor
Erik G. P. Schuijers
Gerard H. Hotho
Heiko Purnhagen
Wolfgang A. Schildbach
Holger Hoerich
Hans M. Kjoerling
Karl J. Roden
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.)
Koninklijke Philips NV
Dolby Sweden AB
Original Assignee
Koninklijke Philips Electronics NV
Dolby Sweden 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 Koninklijke Philips Electronics NV, Dolby Sweden AB filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of ES2327158T3 publication Critical patent/ES2327158T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
ES06766049T 2005-07-14 2006-07-07 Codificacion y decodificacion de audio. Expired - Lifetime ES2327158T3 (es)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
ES2327158T3 true ES2327158T3 (es) 2009-10-26

Family

ID=37467582

Family Applications (2)

Application Number Title Priority Date Filing Date
ES06766049T Expired - Lifetime ES2327158T3 (es) 2005-07-14 2006-07-07 Codificacion y decodificacion de audio.
ES09005485T Expired - Lifetime ES2374309T3 (es) 2005-07-14 2006-07-07 Decodificación de audio.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES09005485T Expired - Lifetime ES2374309T3 (es) 2005-07-14 2006-07-07 Decodificación de audio.

Country Status (13)

Country Link
US (1) US7966191B2 (enExample)
EP (2) EP1902443B1 (enExample)
JP (2) JP5097702B2 (enExample)
KR (2) KR101492826B1 (enExample)
CN (2) CN102013256B (enExample)
AT (2) ATE433182T1 (enExample)
BR (1) BRPI0613469A2 (enExample)
DE (1) DE602006007139D1 (enExample)
ES (2) ES2327158T3 (enExample)
MX (1) MX2008000504A (enExample)
PL (2) PL1902443T3 (enExample)
RU (2) RU2418385C2 (enExample)
WO (1) WO2007007263A2 (enExample)

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
JP5113050B2 (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
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
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
WO2008114982A1 (en) 2007-03-16 2008-09-25 Lg Electronics Inc. A 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
US20100228554A1 (en) * 2007-10-22 2010-09-09 Electronics And Telecommunications Research Institute Multi-object audio encoding and decoding method and apparatus thereof
EP4528726B1 (en) * 2008-10-29 2026-03-18 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
EP2491553B1 (en) 2009-10-20 2016-10-12 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 an iterative interval size reduction
CA2779388C (en) * 2009-12-16 2015-11-10 Dolby International Ab Sbr bitstream parameter downmix
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
MY166267A (en) 2011-03-28 2018-06-22 Dolby Laboratories Licensing Corp 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
WO2014126689A1 (en) * 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for 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
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
TWI847206B (zh) * 2013-09-12 2024-07-01 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
CN111192592B (zh) 2013-10-21 2023-09-15 杜比国际公司 音频信号的参数化重构
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
KR102486338B1 (ko) * 2014-10-31 2023-01-10 돌비 인터네셔널 에이비 멀티채널 오디오 신호의 파라메트릭 인코딩 및 디코딩
KR101930671B1 (ko) * 2015-06-24 2018-12-18 소니 주식회사 음성 처리 장치 및 방법, 그리고 기록 매체
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
DE3943881B4 (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
ES2300567T3 (es) * 2002-04-22 2008-06-16 Koninklijke Philips Electronics N.V. Representacion parametrica de audio espacial.
ATE377339T1 (de) * 2002-07-12 2007-11-15 Koninkl Philips Electronics Nv Audio-kodierung
US7542896B2 (en) * 2002-07-16 2009-06-02 Koninklijke Philips Electronics N.V. Audio coding/decoding with spatial parameters and non-uniform segmentation for transients
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
US9992599B2 (en) * 2004-04-05 2018-06-05 Koninklijke Philips N.V. Method, device, encoder apparatus, decoder apparatus and audio system
ATE403217T1 (de) * 2004-04-28 2008-08-15 Matsushita Electric Industrial Co Ltd Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren
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
PL2088580T3 (pl) 2012-07-31
KR20080037672A (ko) 2008-04-30
JP5097702B2 (ja) 2012-12-12
EP2088580A3 (en) 2009-08-19
EP1902443B1 (en) 2009-06-03
ATE523877T1 (de) 2011-09-15
CN101223575A (zh) 2008-07-16
KR101492826B1 (ko) 2015-02-13
BRPI0613469A2 (pt) 2012-11-06
RU2010137467A (ru) 2012-03-20
JP5269039B2 (ja) 2013-08-21
CN101223575B (zh) 2011-09-21
JP2011059711A (ja) 2011-03-24
RU2461078C2 (ru) 2012-09-10
EP2088580A2 (en) 2009-08-12
WO2007007263A2 (en) 2007-01-18
US20080255856A1 (en) 2008-10-16
RU2418385C2 (ru) 2011-05-10
KR20100134084A (ko) 2010-12-22
CN102013256A (zh) 2011-04-13
HK1154984A1 (en) 2012-05-04
KR101496193B1 (ko) 2015-02-26
MX2008000504A (es) 2008-03-07
WO2007007263A3 (en) 2007-03-29
ATE433182T1 (de) 2009-06-15
DE602006007139D1 (de) 2009-07-16
RU2008105556A (ru) 2009-08-20
US7966191B2 (en) 2011-06-21
PL1902443T3 (pl) 2009-12-31
EP2088580B1 (en) 2011-09-07
JP2009501354A (ja) 2009-01-15
CN102013256B (zh) 2013-12-18
EP1902443A2 (en) 2008-03-26
ES2374309T3 (es) 2012-02-15

Similar Documents

Publication Publication Date Title
ES2374309T3 (es) Decodificación de audio.
ES2609449T3 (es) Decodificación de audio
US10623860B2 (en) Audio decoder for audio channel reconstruction
ES2339888T3 (es) Codificacion y decodificacion de audio.
ES2312025T3 (es) Esquema de codificador/descodificador de multicanal casi transparente o transparente.
ES2636808T3 (es) Codificación de escenas de audio
ES2278348T3 (es) Codificacion/decodificacion multicanal compatible.
ES2376889T3 (es) Generación de mezclas descendentes espaciales a partir de representaciones paramétricas de señales multicanal
CN105723453B (zh) 用于对降混合矩阵解码及编码的方法、编码器及解码器
ES2398573T3 (es) Número reducido de decodificación de canales
ES2587999T3 (es) Procedimiento, aparato y soporte de registro legible por ordenador para decodificar una señal de audio multicanal
ES2307160T3 (es) Codificador multicanal.
RU2367033C2 (ru) Многоканальное иерархическое аудиокодирование с компактной дополнительной информацией
ES2649194T3 (es) Decodificador de audio, codificador de audio, procedimiento para proporcionar al menos cuatro señales de canales de audio sobre la base de una representación codificada, procedimiento para proporcionar una representación codificada sobre la base de al menos cuatro señales de canales de audio y programa informático que utiliza una extensión de ancho de banda
ES2306076T3 (es) Aparato y metodo para construir una señal de salida multicanal o para generar una señal de downmix.
ES2313646T3 (es) Codificacion y descodificacion de audio.
ES2899286T3 (es) Configuración de envolvente temporal para codificación espacial de audio usando filtrado de Wiener de dominio de frecuencia
ES2734378T3 (es) Mezcla ascendente espacial controlada por renderizador
ES2426917T3 (es) Aparato codificador, aparato decodificador, sus métodos y sistema de audio asociado
ES2709117T3 (es) Codificador y decodificador de audio
US8626503B2 (en) Audio encoding and decoding
ES2624668T3 (es) Codificación y descodificación de objetos de audio
HK1154984B (en) Method and apparatus for generating a number of output audio channels
MX2008010631A (es) Codificacion y decodificacion de audio
BR112017006278B1 (pt) Método para aprimorar o diálogo num decodificador em um sistema de áudio e decodificador