JP5097702B2 - オーディオエンコード及びデコード - Google Patents

オーディオエンコード及びデコード Download PDF

Info

Publication number
JP5097702B2
JP5097702B2 JP2008521009A JP2008521009A JP5097702B2 JP 5097702 B2 JP5097702 B2 JP 5097702B2 JP 2008521009 A JP2008521009 A JP 2008521009A JP 2008521009 A JP2008521009 A JP 2008521009A JP 5097702 B2 JP5097702 B2 JP 5097702B2
Authority
JP
Japan
Prior art keywords
channel
data
decoder
audio
channels
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.)
Active
Application number
JP2008521009A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009501354A5 (https=
JP2009501354A (ja
Inventor
エリック ジー ピー スハイゥイェルス
ヘラルト エイチ ホト
ハイコ プルンハーゲン
ヴォルフガンク エイ シルドバッハ
ホルゲル ホーリッヒ
ハンス エム ケイ キョーリング
カール ジェイ ローデーン
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.)
Dolby International AB
Original Assignee
Dolby International 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 International AB filed Critical Dolby International AB
Publication of JP2009501354A publication Critical patent/JP2009501354A/ja
Publication of JP2009501354A5 publication Critical patent/JP2009501354A5/ja
Application granted granted Critical
Publication of JP5097702B2 publication Critical patent/JP5097702B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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)
JP2008521009A 2005-07-14 2006-07-07 オーディオエンコード及びデコード Active JP5097702B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05106466.5 2005-07-14
EP05106466 2005-07-14
PCT/IB2006/052309 WO2007007263A2 (en) 2005-07-14 2006-07-07 Audio encoding and decoding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010254409A Division JP5269039B2 (ja) 2005-07-14 2010-11-15 オーディオエンコード及びデコード

Publications (3)

Publication Number Publication Date
JP2009501354A JP2009501354A (ja) 2009-01-15
JP2009501354A5 JP2009501354A5 (https=) 2009-08-20
JP5097702B2 true JP5097702B2 (ja) 2012-12-12

Family

ID=37467582

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2008521009A Active JP5097702B2 (ja) 2005-07-14 2006-07-07 オーディオエンコード及びデコード
JP2010254409A Active JP5269039B2 (ja) 2005-07-14 2010-11-15 オーディオエンコード及びデコード

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2010254409A Active JP5269039B2 (ja) 2005-07-14 2010-11-15 オーディオエンコード及びデコード

Country Status (13)

Country Link
US (1) US7966191B2 (https=)
EP (2) EP2088580B1 (https=)
JP (2) JP5097702B2 (https=)
KR (2) KR101492826B1 (https=)
CN (2) CN102013256B (https=)
AT (2) ATE433182T1 (https=)
BR (1) BRPI0613469A2 (https=)
DE (1) DE602006007139D1 (https=)
ES (2) ES2374309T3 (https=)
MX (1) MX2008000504A (https=)
PL (2) PL1902443T3 (https=)
RU (2) RU2418385C2 (https=)
WO (1) WO2007007263A2 (https=)

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
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
PL1902443T3 (pl) 2009-12-31
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
JP5269039B2 (ja) オーディオエンコード及びデコード
US9966080B2 (en) Audio object encoding and decoding
JP4601669B2 (ja) マルチチャネル信号またはパラメータデータセットを生成する装置および方法
JP6231093B2 (ja) オーディオ信号の符号化及び復号
JP5081838B2 (ja) オーディオ符号化及び復号
US7961890B2 (en) Multi-channel hierarchical audio coding with compact side information
CN101479786B (zh) 用于编码和解码基于对象的音频信号的方法和装置
CN101151658B (zh) 多声道音频编码和解码方法、编码器和解码器
JP5154538B2 (ja) オーディオ復号
JP2011501544A (ja) ダウンミックスを用いたオーディオコーディング
JP2016530788A (ja) 符号化表現に基づいて少なくとも４つのオーディオチャネル信号を提供するためのオーディオデコーダ、オーディオエンコーダ、方法、帯域幅拡張を用いた少なくとも４つのオーディオチャネル信号に基づいて符号化表現を提供するための方法およびコンピュータプログラム
US8626503B2 (en) Audio encoding and decoding
HK1154984B (en) Method and apparatus for generating a number of output audio channels

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090706

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20090706

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20090813

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20091203

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20091207

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20120118

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120124

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20120423

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20120501

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120723

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20120911

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20120924

R150 Certificate of patent or registration of utility model

Ref document number: 5097702

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150928

Year of fee payment: 3

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250