WO2010143907A3 - 다객체 오디오 신호를 부호화하는 방법 및 부호화 장치, 복호화 방법 및 복호화 장치, 그리고 트랜스코딩 방법 및 트랜스코더 - Google Patents

다객체 오디오 신호를 부호화하는 방법 및 부호화 장치, 복호화 방법 및 복호화 장치, 그리고 트랜스코딩 방법 및 트랜스코더 Download PDF

Info

Publication number
WO2010143907A3
WO2010143907A3 PCT/KR2010/003752 KR2010003752W WO2010143907A3 WO 2010143907 A3 WO2010143907 A3 WO 2010143907A3 KR 2010003752 W KR2010003752 W KR 2010003752W WO 2010143907 A3 WO2010143907 A3 WO 2010143907A3
Authority
WO
WIPO (PCT)
Prior art keywords
encoding
decoding
transcoder
audio signals
object 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.)
Ceased
Application number
PCT/KR2010/003752
Other languages
English (en)
French (fr)
Other versions
WO2010143907A2 (ko
Inventor
서정일
강경옥
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.)
Electronics and Telecommunications Research Institute ETRI
Original Assignee
Electronics and Telecommunications Research Institute ETRI
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 Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI
Priority to EP10786390A priority Critical patent/EP2442303A4/en
Priority to US13/377,334 priority patent/US8712784B2/en
Priority to CN201080025528.4A priority patent/CN102460571B/zh
Publication of WO2010143907A2 publication Critical patent/WO2010143907A2/ko
Publication of WO2010143907A3 publication Critical patent/WO2010143907A3/ko
Anticipated expiration legal-status Critical
Ceased 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

다객체 오디오 신호를 부호화하는 방법 및 부호화 장치, 복호화 방법 및 복호화 장치, 그리고 트랜스코딩 방법 및 트랜스코더가 개시된다. 다객체 오디오 신호 부호화 장치는 복수의 입력 객체 신호들 중에서 포그라운드 객체 신호들을 제외한 객체 신호들을 부호화하고, 포그라운드 객체 신호들을 부호화하여, 청취자에게 만족할만한 음질을 제공할 수 있다.
PCT/KR2010/003752 2009-06-10 2010-06-10 다객체 오디오 신호를 부호화하는 방법 및 부호화 장치, 복호화 방법 및 복호화 장치, 그리고 트랜스코딩 방법 및 트랜스코더 Ceased WO2010143907A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10786390A EP2442303A4 (en) 2009-06-10 2010-06-10 ENCODING METHOD AND DEVICE, DECODING METHOD AND DEVICE, AND TRANSCODING METHOD AND TRANSCODER FOR MULTI-OBJECT AUDIO SIGNALS
US13/377,334 US8712784B2 (en) 2009-06-10 2010-06-10 Encoding method and encoding device, decoding method and decoding device and transcoding method and transcoder for multi-object audio signals
CN201080025528.4A CN102460571B (zh) 2009-06-10 2010-06-10 多音频对象信号的编解码方法和装置及转码方法和转码器

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20090051378 2009-06-10
KR10-2009-0051378 2009-06-10
KR10-2009-0055756 2009-06-23
KR20090055756 2009-06-23
KR1020100053549A KR101387902B1 (ko) 2009-06-10 2010-06-07 다객체 오디오 신호를 부호화하는 방법 및 부호화 장치, 복호화 방법 및 복호화 장치, 그리고 트랜스코딩 방법 및 트랜스코더
KR10-2010-0053549 2010-06-07

Publications (2)

Publication Number Publication Date
WO2010143907A2 WO2010143907A2 (ko) 2010-12-16
WO2010143907A3 true WO2010143907A3 (ko) 2011-03-03

Family

ID=43508441

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/003752 Ceased WO2010143907A2 (ko) 2009-06-10 2010-06-10 다객체 오디오 신호를 부호화하는 방법 및 부호화 장치, 복호화 방법 및 복호화 장치, 그리고 트랜스코딩 방법 및 트랜스코더

Country Status (5)

Country Link
US (1) US8712784B2 (ko)
EP (1) EP2442303A4 (ko)
KR (1) KR101387902B1 (ko)
CN (1) CN102460571B (ko)
WO (1) WO2010143907A2 (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9437198B2 (en) 2012-07-02 2016-09-06 Sony Corporation Decoding device, decoding method, encoding device, encoding method, and program
RU2649944C2 (ru) 2012-07-02 2018-04-05 Сони Корпорейшн Устройство декодирования, способ декодирования, устройство кодирования, способ кодирования и программа
RU2652468C2 (ru) 2012-07-02 2018-04-26 Сони Корпорейшн Декодирующее устройство, способ декодирования, кодирующее устройство, способ кодирования и программа
TWI517142B (zh) 2012-07-02 2016-01-11 Sony Corp Audio decoding apparatus and method, audio coding apparatus and method, and program
EP3748632A1 (en) * 2012-07-09 2020-12-09 Koninklijke Philips N.V. Encoding and decoding of audio signals
EP2690621A1 (en) * 2012-07-26 2014-01-29 Thomson Licensing Method and Apparatus for downmixing MPEG SAOC-like encoded audio signals at receiver side in a manner different from the manner of downmixing at encoder side
JP6230268B2 (ja) * 2013-05-23 2017-11-15 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム
MY204539A (en) 2013-05-24 2024-09-03 Dolby Int Ab Coding of audio scenes
EP2830046A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding an encoded audio signal to obtain modified output signals
KR102243395B1 (ko) * 2013-09-05 2021-04-22 한국전자통신연구원 오디오 부호화 장치 및 방법, 오디오 복호화 장치 및 방법, 오디오 재생 장치
EP2879131A1 (en) 2013-11-27 2015-06-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder, encoder and method for informed loudness estimation in object-based audio coding systems
KR101536855B1 (ko) * 2014-01-23 2015-07-14 재단법인 다차원 스마트 아이티 융합시스템 연구단 레지듀얼 코딩을 이용하는 인코딩 장치 및 방법
KR101567665B1 (ko) * 2014-01-23 2015-11-10 재단법인 다차원 스마트 아이티 융합시스템 연구단 퍼스널 오디오 스튜디오 시스템
WO2015111949A1 (ko) * 2014-01-23 2015-07-30 재단법인 다차원 스마트 아이티 융합시스템 연구단 보컬 하모닉 코딩을 위한 인코딩 장치, 디코딩 장치 및 그 방법
EP2928216A1 (en) 2014-03-26 2015-10-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for screen related audio object remapping
CN107211227B (zh) 2015-02-06 2020-07-07 杜比实验室特许公司 用于自适应音频的混合型基于优先度的渲染系统和方法
CN106303897A (zh) 2015-06-01 2017-01-04 杜比实验室特许公司 处理基于对象的音频信号
US11430451B2 (en) * 2019-09-26 2022-08-30 Apple Inc. Layered coding of audio with discrete objects

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009049895A1 (en) * 2007-10-17 2009-04-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding using downmix
KR20090040857A (ko) * 2007-10-22 2009-04-27 한국전자통신연구원 다객체 오디오 부호화 및 복호화 방법과 그 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101361115A (zh) * 2006-01-19 2009-02-04 Lg电子株式会社 解码信号的方法和装置
EP2111617B1 (en) * 2007-02-14 2013-09-04 LG Electronics Inc. Audio decoding method and corresponding apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009049895A1 (en) * 2007-10-17 2009-04-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding using downmix
KR20090040857A (ko) * 2007-10-22 2009-04-27 한국전자통신연구원 다객체 오디오 부호화 및 복호화 방법과 그 장치

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ENGDEGARD J. ET AL: "Spatial Audio Object Coding (SAOC) - The Upcoming MPEG Standard on Parametric Object Based Audio Coding", THE 124TH AUDIO ENGINEERING SOCIETY CONVENTION PAPER, 17 May 2008 (2008-05-17), XP002541458 *
HERRE J. ET AL: "New Concepts in Parametric Coding of Spatial Audio: From SAC to SAOC", MULTIMEDIA AND EXPO, 2007 IEEE INTERNATIONAL CONFERENCE ON, 2 July 2007 (2007-07-02), pages 1894 - 1897, XP031124020 *

Also Published As

Publication number Publication date
EP2442303A4 (en) 2012-11-28
WO2010143907A2 (ko) 2010-12-16
KR20100132913A (ko) 2010-12-20
KR101387902B1 (ko) 2014-04-22
US8712784B2 (en) 2014-04-29
CN102460571A (zh) 2012-05-16
EP2442303A2 (en) 2012-04-18
US20120078642A1 (en) 2012-03-29
CN102460571B (zh) 2015-05-13

Similar Documents

Publication Publication Date Title
WO2010143907A3 (ko) 다객체 오디오 신호를 부호화하는 방법 및 부호화 장치, 복호화 방법 및 복호화 장치, 그리고 트랜스코딩 방법 및 트랜스코더
PL2491551T3 (pl) Urządzenie do dostarczania reprezentacji sygnału upmixu w oparciu o reprezentację sygnału downmixu, urządzenie do dostarczania strumienia bitów reprezentującego wielokanałowy sygnał audio, sposoby, program komputerowy i strumień bitów wykorzystujący sygnalizację sterowania zniekształceniami
WO2013006338A3 (en) System and method for adaptive audio signal generation, coding and rendering
WO2011021845A3 (en) Method and apparatus for encoding multi-channel audio signal and method and apparatus for decoding multi-channel audio signal
TWI560706B (en) Apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation on the basis of a downmix signal representation, audio signal decoder, audio signal transcoder, audio signal encoder, audio bitstream, method and co
WO2011020992A3 (en) Method, system and item for selective sound cancelling
CA2645863A1 (en) Method for encoding and decoding object-based audio signal and apparatus thereof
EP2115739A4 (en) METHODS AND APPARATUSES FOR ENCODING AND DECODING AUDIO SIGNALS BASED ON OBJECTS
WO2010090427A3 (ko) 오디오 신호의 부호화 및 복호화 방법 및 그 장치
WO2008067454A3 (en) System and method for digital signal processing
WO2009142465A3 (en) A method and an apparatus for processing a signal
WO2009110738A3 (ko) 오디오 신호 처리 방법 및 장치
MX2009005159A (es) Un metodo y un aparato para descodificar una señal de audio.
WO2006126855A3 (en) Method and apparatus for decoding audio signal
TW200746051A (en) Apparatus and method for encoding and decoding signal
WO2017035281A3 (en) Audio encoding and decoding using presentation transform parameters
PL3246918T3 (pl) Dekoder audio, sposób dekodowania sygnału audio oraz program komputerowy
BRPI0916449A8 (pt) aparelho para codificar um sinal de áudio/voz, aparelho para decodificar sinal de áudio/voz, aparelho de decodificação de sinal de áudio/voz, método de codificar um sinal de áudio/voz, método de decodificar sinal de áudio/voz, e método de decodificar sinais de áudio e voz
PT2214164T (pt) Descodificador áudio, métodos para descodificar um sinal áudio e programa de computador
EP4459615A3 (en) System and method for non-destructively normalizing loudness of audio signals within portable devices
EP4462430A3 (en) Method and apparatus for decompressing a higher order ambisonics representation
WO2011002185A3 (ko) 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법
WO2010087630A3 (en) A method and an apparatus for decoding an audio signal
WO2009128666A3 (ko) 오디오 신호를 처리하는 방법 및 장치
EP4297026A3 (en) Method for decoding and decoder.

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201080025528.4

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10786390

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 13377334

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

REEP Request for entry into the european phase

Ref document number: 2010786390

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2010786390

Country of ref document: EP