TWI347590B - Audio object coder, audio object codingm ethod, audio synthesizer, audio synthesizing method, computer readable storage medium and computer program - Google Patents

Audio object coder, audio object codingm ethod, audio synthesizer, audio synthesizing method, computer readable storage medium and computer program

Info

Publication number
TWI347590B
TWI347590B TW096137940A TW96137940A TWI347590B TW I347590 B TWI347590 B TW I347590B TW 096137940 A TW096137940 A TW 096137940A TW 96137940 A TW96137940 A TW 96137940A TW I347590 B TWI347590 B TW I347590B
Authority
TW
Taiwan
Prior art keywords
audio
generating
audio object
codingm
ethod
Prior art date
Application number
TW096137940A
Other languages
English (en)
Other versions
TW200828269A (en
Inventor
Jonas Engdegard
Heiko Purnhagen
Barbara Resch
Lars Villemoes
Original Assignee
Coding Tech 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 Coding Tech Ab filed Critical Coding Tech Ab
Publication of TW200828269A publication Critical patent/TW200828269A/zh
Application granted granted Critical
Publication of TWI347590B publication Critical patent/TWI347590B/zh

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
TW096137940A 2006-10-16 2007-10-11 Audio object coder, audio object codingm ethod, audio synthesizer, audio synthesizing method, computer readable storage medium and computer program TWI347590B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82964906P 2006-10-16 2006-10-16
PCT/EP2007/008683 WO2008046531A1 (en) 2006-10-16 2007-10-05 Enhanced coding and parameter representation of multichannel downmixed object coding

Publications (2)

Publication Number Publication Date
TW200828269A TW200828269A (en) 2008-07-01
TWI347590B true TWI347590B (en) 2011-08-21

Family

ID=38810466

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096137940A TWI347590B (en) 2006-10-16 2007-10-11 Audio object coder, audio object codingm ethod, audio synthesizer, audio synthesizing method, computer readable storage medium and computer program

Country Status (22)

Country Link
US (2) US9565509B2 (zh)
EP (3) EP2068307B1 (zh)
JP (3) JP5270557B2 (zh)
KR (2) KR101012259B1 (zh)
CN (3) CN102892070B (zh)
AT (2) ATE503245T1 (zh)
AU (2) AU2007312598B2 (zh)
BR (1) BRPI0715559B1 (zh)
CA (3) CA2874454C (zh)
DE (1) DE602007013415D1 (zh)
ES (1) ES2378734T3 (zh)
HK (3) HK1126888A1 (zh)
MX (1) MX2009003570A (zh)
MY (1) MY145497A (zh)
NO (1) NO340450B1 (zh)
PL (1) PL2068307T3 (zh)
PT (1) PT2372701E (zh)
RU (1) RU2430430C2 (zh)
SG (1) SG175632A1 (zh)
TW (1) TWI347590B (zh)
UA (1) UA94117C2 (zh)
WO (1) WO2008046531A1 (zh)

Families Citing this family (139)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2006255662B2 (en) * 2005-06-03 2012-08-23 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
US20090177479A1 (en) * 2006-02-09 2009-07-09 Lg Electronics Inc. Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof
KR100917843B1 (ko) * 2006-09-29 2009-09-18 한국전자통신연구원 다양한 채널로 구성된 다객체 오디오 신호의 부호화 및복호화 장치 및 방법
CN101529898B (zh) * 2006-10-12 2014-09-17 Lg电子株式会社 用于处理混合信号的装置及其方法
DE602007013415D1 (de) 2006-10-16 2011-05-05 Dolby Sweden Ab Erweiterte codierung und parameterrepräsentation einer mehrkanaligen heruntergemischten objektcodierung
CN101529504B (zh) 2006-10-16 2012-08-22 弗劳恩霍夫应用研究促进协会 多通道参数转换的装置和方法
US8571875B2 (en) * 2006-10-18 2013-10-29 Samsung Electronics Co., Ltd. Method, medium, and apparatus encoding and/or decoding multichannel audio signals
MX2008012439A (es) * 2006-11-24 2008-10-10 Lg Electronics Inc Metodo de codificacion y decodificacion de señal de audio basada en objetos y aparato para lo mismo.
CN101553868B (zh) 2006-12-07 2012-08-29 Lg电子株式会社 用于处理音频信号的方法和装置
EP2595149A3 (en) * 2006-12-27 2013-11-13 Electronics and Telecommunications Research Institute Apparatus for transcoding downmix signals
US8756066B2 (en) * 2007-02-14 2014-06-17 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
US20100241434A1 (en) * 2007-02-20 2010-09-23 Kojiro Ono Multi-channel decoding device, multi-channel decoding method, program, and semiconductor integrated circuit
KR20080082917A (ko) 2007-03-09 2008-09-12 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
RU2419168C1 (ru) 2007-03-09 2011-05-20 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ обработки аудиосигнала и устройство для его осуществления
KR101100214B1 (ko) 2007-03-16 2011-12-28 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
KR101422745B1 (ko) * 2007-03-30 2014-07-24 한국전자통신연구원 다채널로 구성된 다객체 오디오 신호의 인코딩 및 디코딩장치 및 방법
US8422688B2 (en) * 2007-09-06 2013-04-16 Lg Electronics Inc. Method and an apparatus of decoding an audio signal
KR101290394B1 (ko) * 2007-10-17 2013-07-26 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다운믹스를 이용한 오디오 코딩
EP2215629A1 (en) * 2007-11-27 2010-08-11 Nokia Corporation Multichannel audio coding
WO2009075510A1 (en) * 2007-12-09 2009-06-18 Lg Electronics Inc. A method and an apparatus for processing a signal
KR101597375B1 (ko) 2007-12-21 2016-02-24 디티에스 엘엘씨 오디오 신호의 인지된 음량을 조절하기 위한 시스템
US8386267B2 (en) * 2008-03-19 2013-02-26 Panasonic Corporation Stereo signal encoding device, stereo signal decoding device and methods for them
KR101461685B1 (ko) * 2008-03-31 2014-11-19 한국전자통신연구원 다객체 오디오 신호의 부가정보 비트스트림 생성 방법 및 장치
MX2010012580A (es) * 2008-05-23 2010-12-20 Koninkl Philips Electronics Nv Aparato de mezcla ascendente estereo parametrico, decodificador estereo parametrico, aparato de mezcla descendente estereo parametrico, codificador estereo parametrico.
US8315396B2 (en) * 2008-07-17 2012-11-20 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating audio output signals using object based metadata
BRPI0905069A2 (pt) * 2008-07-29 2015-06-30 Panasonic Corp Aparelho de codificação de áudio, aparelho de decodificação de áudio, aparelho de codificação e de descodificação de áudio e sistema de teleconferência
US8705749B2 (en) 2008-08-14 2014-04-22 Dolby Laboratories Licensing Corporation Audio signal transformatting
US8861739B2 (en) 2008-11-10 2014-10-14 Nokia Corporation Apparatus and method for generating a multichannel signal
KR20100065121A (ko) * 2008-12-05 2010-06-15 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
US8670575B2 (en) 2008-12-05 2014-03-11 Lg Electronics Inc. Method and an apparatus for processing an audio signal
EP2395504B1 (en) * 2009-02-13 2013-09-18 Huawei Technologies Co., Ltd. Stereo encoding method and apparatus
KR101367604B1 (ko) * 2009-03-17 2014-02-26 돌비 인터네셔널 에이비 적응형으로 선택가능한 좌／우 또는 미드／사이드 스테레오 코딩과 파라메트릭 스테레오 코딩의 조합에 기초한 진보된 스테레오 코딩
GB2470059A (en) * 2009-05-08 2010-11-10 Nokia Corp Multi-channel audio processing using an inter-channel prediction model to form an inter-channel parameter
JP2011002574A (ja) * 2009-06-17 2011-01-06 Nippon Hoso Kyokai <Nhk> ３次元音響符号化装置、３次元音響復号装置、符号化プログラム及び復号プログラム
KR101283783B1 (ko) * 2009-06-23 2013-07-08 한국전자통신연구원 고품질 다채널 오디오 부호화 및 복호화 장치
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
US8538042B2 (en) * 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
JP5345024B2 (ja) * 2009-08-28 2013-11-20 日本放送協会 ３次元音響符号化装置、３次元音響復号装置、符号化プログラム及び復号プログラム
EP3996089A1 (en) * 2009-10-16 2022-05-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for providing adjusted parameters
CN102257567B (zh) 2009-10-21 2014-05-07 松下电器产业株式会社 音响信号处理装置、音响编码装置及音响解码装置
KR20110049068A (ko) * 2009-11-04 2011-05-12 삼성전자주식회사 멀티 채널 오디오 신호의 부호화/복호화 장치 및 방법
BR112012012097B1 (pt) * 2009-11-20 2021-01-05 Fraunhofer - Gesellschaft Zur Foerderung Der Angewandten Ten Forschung E.V. aparelho para prover uma representação de sinal upmix com base na representação de sinal downmix, aparelho para prover um fluxo de bits que representa um sinal de áudio de multicanais, métodos e fluxo de bits representando um sinal de áudio de multicanais utilizando um parâmetro de combinação linear
US9305550B2 (en) * 2009-12-07 2016-04-05 J. Carl Cooper Dialogue detector and correction
US20120277894A1 (en) * 2009-12-11 2012-11-01 Nsonix, Inc Audio authoring apparatus and audio playback apparatus for an object-based audio service, and audio authoring method and audio playback method using same
CN102792378B (zh) * 2010-01-06 2015-04-29 Lg电子株式会社 处理音频信号的设备及其方法
WO2011104146A1 (en) * 2010-02-24 2011-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus for generating an enhanced downmix signal, method for generating an enhanced downmix signal and computer program
CN113490135B (zh) 2010-03-23 2023-05-30 杜比实验室特许公司 音频再现方法和声音再现系统
US10158958B2 (en) 2010-03-23 2018-12-18 Dolby Laboratories Licensing Corporation Techniques for localized perceptual audio
JP5604933B2 (ja) * 2010-03-30 2014-10-15 富士通株式会社 ダウンミクス装置およびダウンミクス方法
DK2556504T3 (en) * 2010-04-09 2019-02-25 Dolby Int Ab MDCT-BASED COMPLEX PREVIEW Stereo Encoding
WO2011132368A1 (ja) * 2010-04-19 2011-10-27 パナソニック株式会社 符号化装置、復号装置、符号化方法及び復号方法
KR20120038311A (ko) 2010-10-13 2012-04-23 삼성전자주식회사 공간 파라미터 부호화 장치 및 방법，그리고 공간 파라미터 복호화 장치 및 방법
US9313599B2 (en) 2010-11-19 2016-04-12 Nokia Technologies Oy Apparatus and method for multi-channel signal playback
US9456289B2 (en) 2010-11-19 2016-09-27 Nokia Technologies Oy Converting multi-microphone captured signals to shifted signals useful for binaural signal processing and use thereof
US9055371B2 (en) 2010-11-19 2015-06-09 Nokia Technologies Oy Controllable playback system offering hierarchical playback options
KR20120071072A (ko) * 2010-12-22 2012-07-02 한국전자통신연구원 객체 기반 오디오를 제공하는 방송 송신 장치 및 방법, 그리고 방송 재생 장치 및 방법
US9881625B2 (en) * 2011-04-20 2018-01-30 Panasonic Intellectual Property Corporation Of America Device and method for execution of huffman coding
EP2751803B1 (en) 2011-11-01 2015-09-16 Koninklijke Philips N.V. Audio object encoding and decoding
WO2013073810A1 (ko) * 2011-11-14 2013-05-23 한국전자통신연구원 스케일러블 다채널 오디오 신호를 지원하는 부호화 장치 및 복호화 장치, 상기 장치가 수행하는 방법
KR20130093798A (ko) 2012-01-02 2013-08-23 한국전자통신연구원 다채널 신호 부호화 및 복호화 장치 및 방법
US10148903B2 (en) 2012-04-05 2018-12-04 Nokia Technologies Oy Flexible spatial audio capture apparatus
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
US9622014B2 (en) 2012-06-19 2017-04-11 Dolby Laboratories Licensing Corporation Rendering and playback of spatial audio using channel-based audio systems
JP6231093B2 (ja) * 2012-07-09 2017-11-15 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． オーディオ信号の符号化及び復号
US9190065B2 (en) 2012-07-15 2015-11-17 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients
US9761229B2 (en) 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
US9479886B2 (en) 2012-07-20 2016-10-25 Qualcomm Incorporated Scalable downmix design with feedback for object-based surround codec
CN104541524B (zh) 2012-07-31 2017-03-08 英迪股份有限公司 一种用于处理音频信号的方法和设备
WO2014020181A1 (en) * 2012-08-03 2014-02-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder and method for multi-instance spatial-audio-object-coding employing a parametric concept for multichannel downmix/upmix cases
US9489954B2 (en) * 2012-08-07 2016-11-08 Dolby Laboratories Licensing Corporation Encoding and rendering of object based audio indicative of game audio content
JP6141980B2 (ja) 2012-08-10 2017-06-07 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 空間オーディオオブジェクト符号化においてオーディオ情報を適応させる装置および方法
KR20140027831A (ko) * 2012-08-27 2014-03-07 삼성전자주식회사 오디오 신호 전송 장치 및 그의 오디오 신호 전송 방법, 그리고 오디오 신호 수신 장치 및 그의 오디오 소스 추출 방법
EP2717265A1 (en) * 2012-10-05 2014-04-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for backward compatible dynamic adaption of time/frequency resolution in spatial-audio-object-coding
US9774973B2 (en) 2012-12-04 2017-09-26 Samsung Electronics Co., Ltd. Audio providing apparatus and audio providing method
US9860663B2 (en) 2013-01-15 2018-01-02 Koninklijke Philips N.V. Binaural audio processing
JP6179122B2 (ja) * 2013-02-20 2017-08-16 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化プログラム
US9640163B2 (en) 2013-03-15 2017-05-02 Dts, Inc. Automatic multi-channel music mix from multiple audio stems
WO2014162171A1 (en) 2013-04-04 2014-10-09 Nokia Corporation Visual audio processing apparatus
CN105247613B (zh) 2013-04-05 2019-01-18 杜比国际公司 音频处理系统
PL2981963T3 (pl) 2013-04-05 2017-06-30 Dolby Int Ab Urządzenie kompandujące i sposób redukcji szumu kwantyzacji stosujący zaawansowane rozszerzenie spektralne
US9905231B2 (en) 2013-04-27 2018-02-27 Intellectual Discovery Co., Ltd. Audio signal processing method
EP2804176A1 (en) 2013-05-13 2014-11-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio object separation from mixture signal using object-specific time/frequency resolutions
EP2997573A4 (en) 2013-05-17 2017-01-18 Nokia Technologies OY Spatial object oriented audio apparatus
KR20230129576A (ko) * 2013-05-24 2023-09-08 돌비 인터네셔널 에이비 오디오 인코더 및 디코더
JP6248186B2 (ja) * 2013-05-24 2017-12-13 ドルビー・インターナショナル・アーベー オーディオ・エンコードおよびデコード方法、対応するコンピュータ可読媒体ならびに対応するオーディオ・エンコーダおよびデコーダ
US9892737B2 (en) * 2013-05-24 2018-02-13 Dolby International Ab Efficient coding of audio scenes comprising audio objects
CA3017077C (en) 2013-05-24 2021-08-17 Dolby International Ab Coding of audio scenes
EP3270375B1 (en) * 2013-05-24 2020-01-15 Dolby International AB Reconstruction of audio scenes from a downmix
CN105229733B (zh) * 2013-05-24 2019-03-08 杜比国际公司 包括音频对象的音频场景的高效编码
KR102228994B1 (ko) * 2013-06-05 2021-03-17 돌비 인터네셔널 에이비 오디오 신호를 인코딩하기 위한 방법, 오디오 신호를 인코딩하기 위한 장치, 오디오 신호를 디코딩하기 위한 방법 및 오디오 신호를 디코딩하기 위한 장치
CN104240711B (zh) 2013-06-18 2019-10-11 杜比实验室特许公司 用于生成自适应音频内容的方法、系统和装置
US9830918B2 (en) 2013-07-05 2017-11-28 Dolby International Ab Enhanced soundfield coding using parametric component generation
EP3023984A4 (en) * 2013-07-15 2017-03-08 Electronics and Telecommunications Research Institute Encoder and encoding method for multichannel signal, and decoder and decoding method for multichannel signal
EP2830047A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for low delay object metadata coding
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
EP2830334A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
EP2830065A1 (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 using a cross-over filter around a transition frequency
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
EP2830050A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhanced spatial audio object coding
MX361115B (es) 2013-07-22 2018-11-28 Fraunhofer Ges Forschung Descodificador de audio multicanal, codificador de audio multicanal, métodos, programa de computadora y representación de audio codificada usando una decorrelación de señales de audio renderizadas.
KR20230007563A (ko) * 2013-07-31 2023-01-12 돌비 레버러토리즈 라이쎈싱 코오포레이션 공간적으로 분산된 또는 큰 오디오 오브젝트들의 프로세싱
BR112016004299B1 (pt) * 2013-08-28 2022-05-17 Dolby Laboratories Licensing Corporation Método, aparelho e meio de armazenamento legível por computador para melhora de fala codificada paramétrica e codificada com forma de onda híbrida
KR102243395B1 (ko) * 2013-09-05 2021-04-22 한국전자통신연구원 오디오 부호화 장치 및 방법, 오디오 복호화 장치 및 방법, 오디오 재생 장치
CN107134280B (zh) 2013-09-12 2020-10-23 杜比国际公司 多声道音频内容的编码
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
TWI557724B (zh) * 2013-09-27 2016-11-11 杜比實驗室特許公司 用於將 n 聲道音頻節目編碼之方法、用於恢復 n 聲道音頻節目的 m 個聲道之方法、被配置成將 n 聲道音頻節目編碼之音頻編碼器及被配置成執行 n 聲道音頻節目的恢復之解碼器
EP3057096B1 (en) * 2013-10-09 2019-04-24 Sony Corporation Encoding device and method, decoding device and method, and program
JP6396452B2 (ja) * 2013-10-21 2018-09-26 ドルビー・インターナショナル・アーベー オーディオ・エンコーダおよびデコーダ
KR102381216B1 (ko) 2013-10-21 2022-04-08 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
EP2866227A1 (en) 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
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
KR102107554B1 (ko) * 2013-11-18 2020-05-07 인포뱅크 주식회사 네트워크를 이용한 멀티미디어 합성 방법
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
WO2015105748A1 (en) 2014-01-09 2015-07-16 Dolby Laboratories Licensing Corporation Spatial error metrics of audio content
WO2016036163A2 (ko) * 2014-09-03 2016-03-10 삼성전자 주식회사 오디오 신호를 학습하고 인식하는 방법 및 장치
US9774974B2 (en) 2014-09-24 2017-09-26 Electronics And Telecommunications Research Institute Audio metadata providing apparatus and method, and multichannel audio data playback apparatus and method to support dynamic format conversion
TWI587286B (zh) 2014-10-31 2017-06-11 杜比國際公司 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體
EP3067885A1 (en) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding a multi-channel signal
EP4207756A1 (en) * 2015-07-16 2023-07-05 Sony Group Corporation Information processing apparatus and method
AU2016311335B2 (en) 2015-08-25 2021-02-18 Dolby International Ab Audio encoding and decoding using presentation transform parameters
MY186661A (en) 2015-09-25 2021-08-04 Voiceage Corp Method and system for time domain down mixing a stereo sound signal into primary and secondary channels using detecting an out-of-phase condition of the left and right channels
US9961467B2 (en) * 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from channel-based audio to HOA
KR102586089B1 (ko) 2015-11-17 2023-10-10 돌비 레버러토리즈 라이쎈싱 코오포레이션 파라메트릭 바이너럴 출력 시스템 및 방법을 위한 머리추적
RU2722391C2 (ru) * 2015-11-17 2020-05-29 Долби Лэборетериз Лайсенсинг Корпорейшн Система и способ слежения за движением головы для получения параметрического бинаурального выходного сигнала
WO2017132082A1 (en) 2016-01-27 2017-08-03 Dolby Laboratories Licensing Corporation Acoustic environment simulation
US10158758B2 (en) 2016-11-02 2018-12-18 International Business Machines Corporation System and method for monitoring and visualizing emotions in call center dialogs at call centers
US10135979B2 (en) * 2016-11-02 2018-11-20 International Business Machines Corporation System and method for monitoring and visualizing emotions in call center dialogs by call center supervisors
CN106604199B (zh) * 2016-12-23 2018-09-18 湖南国科微电子股份有限公司 一种数字音频信号的矩阵处理方法及装置
GB201718341D0 (en) 2017-11-06 2017-12-20 Nokia Technologies Oy Determination of targeted spatial audio parameters and associated spatial audio playback
US10650834B2 (en) * 2018-01-10 2020-05-12 Savitech Corp. Audio processing method and non-transitory computer readable medium
GB2572650A (en) * 2018-04-06 2019-10-09 Nokia Technologies Oy Spatial audio parameters and associated spatial audio playback
GB2574239A (en) 2018-05-31 2019-12-04 Nokia Technologies Oy Signalling of spatial audio parameters
CN114420139A (zh) * 2018-05-31 2022-04-29 华为技术有限公司 一种下混信号的计算方法及装置
CN110970008A (zh) * 2018-09-28 2020-04-07 广州灵派科技有限公司 一种嵌入式混音方法、装置、嵌入式设备及存储介质
MX2021015314A (es) * 2019-06-14 2022-02-03 Fraunhofer Ges Forschung Codificacion y decodificacion de parametros.
KR102079691B1 (ko) * 2019-11-11 2020-02-19 인포뱅크 주식회사 네트워크를 이용한 멀티미디어 합성 단말기
WO2022245076A1 (ko) * 2021-05-21 2022-11-24 삼성전자 주식회사 다채널 오디오 신호 처리 장치 및 방법
CN114463584B (zh) * 2022-01-29 2023-03-24 北京百度网讯科技有限公司 图像处理、模型训练方法、装置、设备、存储介质及程序
CN114501297B (zh) * 2022-04-02 2022-09-02 北京荣耀终端有限公司 一种音频处理方法以及电子设备

Family Cites Families (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69428939T2 (de) * 1993-06-22 2002-04-04 Thomson Brandt Gmbh Verfahren zur Erhaltung einer Mehrkanaldekodiermatrix
WO1995022818A1 (en) 1994-02-17 1995-08-24 Motorola Inc. Method and apparatus for group encoding signals
US6128597A (en) * 1996-05-03 2000-10-03 Lsi Logic Corporation Audio decoder with a reconfigurable downmixing/windowing pipeline and method therefor
US5912976A (en) * 1996-11-07 1999-06-15 Srs Labs, Inc. Multi-channel audio enhancement system for use in recording and playback and methods for providing same
JP3743671B2 (ja) 1997-11-28 2006-02-08 日本ビクター株式会社 オーディオディスク及びオーディオ再生装置
JP2005093058A (ja) 1997-11-28 2005-04-07 Victor Co Of Japan Ltd オーディオ信号のエンコード方法及びデコード方法
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
US6788880B1 (en) 1998-04-16 2004-09-07 Victor Company Of Japan, Ltd Recording medium having a first area for storing an audio title set and a second area for storing a still picture set and apparatus for processing the recorded information
US6122619A (en) * 1998-06-17 2000-09-19 Lsi Logic Corporation Audio decoder with programmable downmixing of MPEG/AC-3 and method therefor
CA2859333A1 (en) 1999-04-07 2000-10-12 Dolby Laboratories Licensing Corporation Matrix improvements to lossless encoding and decoding
KR100392384B1 (ko) 2001-01-13 2003-07-22 한국전자통신연구원 엠펙-2 데이터에 엠펙-4 데이터를 동기화시켜 전송하는장치 및 그 방법
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
JP2002369152A (ja) 2001-06-06 2002-12-20 Canon Inc 画像処理装置、画像処理方法、画像処理プログラム及び画像処理プログラムが記憶されたコンピュータにより読み取り可能な記憶媒体
CA2459856C (en) * 2001-09-14 2008-11-18 Corus Aluminium Walzprodukte Gmbh Method of de-coating metallic coated scrap pieces
JP2005521921A (ja) * 2002-04-05 2005-07-21 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 信号処理
JP3994788B2 (ja) * 2002-04-30 2007-10-24 ソニー株式会社 伝達特性測定装置、伝達特性測定方法、及び伝達特性測定プログラム、並びに増幅装置
RU2363116C2 (ru) * 2002-07-12 2009-07-27 Конинклейке Филипс Электроникс Н.В. Аудиокодирование
CN1669358A (zh) * 2002-07-16 2005-09-14 皇家飞利浦电子股份有限公司 音频编码
JP2004193877A (ja) 2002-12-10 2004-07-08 Sony Corp 音像定位信号処理装置および音像定位信号処理方法
KR20040060718A (ko) * 2002-12-28 2004-07-06 삼성전자주식회사 오디오 스트림 믹싱 방법, 그 장치 및 그 정보저장매체
WO2004086817A2 (en) 2003-03-24 2004-10-07 Koninklijke Philips Electronics N.V. Coding of main and side signal representing a multichannel signal
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
US7555009B2 (en) * 2003-11-14 2009-06-30 Canon Kabushiki Kaisha Data processing method and apparatus, and data distribution method and information processing apparatus
JP4378157B2 (ja) 2003-11-14 2009-12-02 キヤノン株式会社 データ処理方法および装置
US7805313B2 (en) * 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
RU2382419C2 (ru) * 2004-04-05 2010-02-20 Конинклейке Филипс Электроникс Н.В. Многоканальный кодер
RU2396608C2 (ru) 2004-04-05 2010-08-10 Конинклейке Филипс Электроникс Н.В. Способ, устройство, кодирующее устройство, декодирующее устройство и аудиосистема
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
US7391870B2 (en) * 2004-07-09 2008-06-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V Apparatus and method for generating a multi-channel output signal
TWI393121B (zh) 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
BRPI0515128A (pt) * 2004-08-31 2008-07-08 Matsushita Electric Ind Co Ltd aparelho de geração de sinal estéreo e método de geração de sinal estéreo
JP2006101248A (ja) 2004-09-30 2006-04-13 Victor Co Of Japan Ltd 音場補正装置
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
WO2006060279A1 (en) * 2004-11-30 2006-06-08 Agere Systems Inc. Parametric coding of spatial audio with object-based side information
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
ATE473502T1 (de) * 2005-03-30 2010-07-15 Koninkl Philips Electronics Nv Mehrkanal-audiocodierung
US7991610B2 (en) * 2005-04-13 2011-08-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Adaptive grouping of parameters for enhanced coding efficiency
US7961890B2 (en) * 2005-04-15 2011-06-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Multi-channel hierarchical audio coding with compact side information
US8214221B2 (en) * 2005-06-30 2012-07-03 Lg Electronics Inc. Method and apparatus for decoding an audio signal and identifying information included in the audio signal
US20070055510A1 (en) * 2005-07-19 2007-03-08 Johannes Hilpert Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding
JP2009503574A (ja) * 2005-07-29 2009-01-29 エルジー エレクトロニクス インコーポレイティド 分割情報のシグナリング方法
EP1938663A4 (en) * 2005-08-30 2010-11-17 Lg Electronics Inc DEVICE FOR ENCODING AND DECODING AUDIO SIGNAL AND CORRESPONDING METHOD
US20080255857A1 (en) * 2005-09-14 2008-10-16 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
WO2007049881A1 (en) * 2005-10-26 2007-05-03 Lg Electronics Inc. Method for encoding and decoding multi-channel audio signal and apparatus thereof
KR100888474B1 (ko) * 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
KR100644715B1 (ko) * 2005-12-19 2006-11-10 삼성전자주식회사 능동적 오디오 매트릭스 디코딩 방법 및 장치
KR100885700B1 (ko) * 2006-01-19 2009-02-26 엘지전자 주식회사 신호 디코딩 방법 및 장치
EP1989704B1 (en) * 2006-02-03 2013-10-16 Electronics and Telecommunications Research Institute Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue
WO2007089129A1 (en) * 2006-02-03 2007-08-09 Electronics And Telecommunications Research Institute Apparatus and method for visualization of multichannel audio signals
JP2009526467A (ja) 2006-02-09 2009-07-16 エルジー エレクトロニクス インコーポレイティド オブジェクトベースオーディオ信号の符号化及び復号化方法とその装置
US20090177479A1 (en) * 2006-02-09 2009-07-09 Lg Electronics Inc. Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof
ATE532350T1 (de) * 2006-03-24 2011-11-15 Dolby Sweden Ab Erzeugung räumlicher heruntermischungen aus parametrischen darstellungen mehrkanaliger signale
WO2007111568A2 (en) * 2006-03-28 2007-10-04 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for a decoder for multi-channel surround sound
US7965848B2 (en) * 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
ATE527833T1 (de) 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
AU2007271532B2 (en) * 2006-07-07 2011-03-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for combining multiple parametrically coded audio sources
US20080235006A1 (en) * 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
KR100917843B1 (ko) 2006-09-29 2009-09-18 한국전자통신연구원 다양한 채널로 구성된 다객체 오디오 신호의 부호화 및복호화 장치 및 방법
US8504376B2 (en) * 2006-09-29 2013-08-06 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
CN101529898B (zh) * 2006-10-12 2014-09-17 Lg电子株式会社 用于处理混合信号的装置及其方法
DE602007013415D1 (de) 2006-10-16 2011-05-05 Dolby Sweden Ab Erweiterte codierung und parameterrepräsentation einer mehrkanaligen heruntergemischten objektcodierung

Also Published As

Publication number Publication date
NO340450B1 (no) 2017-04-24
EP2054875B1 (en) 2011-03-23
JP5270557B2 (ja) 2013-08-21
ATE503245T1 (de) 2011-04-15
CN102892070A (zh) 2013-01-23
RU2430430C2 (ru) 2011-09-27
BRPI0715559B1 (pt) 2021-12-07
MY145497A (en) 2012-02-29
CN103400583B (zh) 2016-01-20
JP2010507115A (ja) 2010-03-04
JP5592974B2 (ja) 2014-09-17
TW200828269A (en) 2008-07-01
JP5297544B2 (ja) 2013-09-25
PL2068307T3 (pl) 2012-07-31
KR20090057131A (ko) 2009-06-03
CA2666640A1 (en) 2008-04-24
US20110022402A1 (en) 2011-01-27
KR20110002504A (ko) 2011-01-07
ATE536612T1 (de) 2011-12-15
MX2009003570A (es) 2009-05-28
KR101103987B1 (ko) 2012-01-06
RU2009113055A (ru) 2010-11-27
US20170084285A1 (en) 2017-03-23
EP2068307A1 (en) 2009-06-10
AU2007312598A1 (en) 2008-04-24
AU2011201106B2 (en) 2012-07-26
ES2378734T3 (es) 2012-04-17
AU2011201106A1 (en) 2011-04-07
NO20091901L (no) 2009-05-14
CN103400583A (zh) 2013-11-20
PT2372701E (pt) 2014-03-20
CA2666640C (en) 2015-03-10
HK1162736A1 (zh) 2012-08-31
US9565509B2 (en) 2017-02-07
CA2874454C (en) 2017-05-02
AU2007312598B2 (en) 2011-01-20
JP2012141633A (ja) 2012-07-26
HK1126888A1 (en) 2009-09-11
DE602007013415D1 (de) 2011-05-05
SG175632A1 (en) 2011-11-28
CA2874454A1 (en) 2008-04-24
EP2054875A1 (en) 2009-05-06
CN101529501A (zh) 2009-09-09
EP2068307B1 (en) 2011-12-07
KR101012259B1 (ko) 2011-02-08
EP2372701A1 (en) 2011-10-05
JP2013190810A (ja) 2013-09-26
CN102892070B (zh) 2016-02-24
HK1133116A1 (en) 2010-03-12
UA94117C2 (ru) 2011-04-11
CA2874451A1 (en) 2008-04-24
WO2008046531A1 (en) 2008-04-24
RU2011102416A (ru) 2012-07-27
EP2372701B1 (en) 2013-12-11
CA2874451C (en) 2016-09-06
CN101529501B (zh) 2013-08-07
BRPI0715559A2 (pt) 2013-07-02

Similar Documents

Publication Publication Date Title
TWI347590B (en) Audio object coder, audio object codingm ethod, audio synthesizer, audio synthesizing method, computer readable storage medium and computer program
ATE505912T1 (de) Verbessertes verfahren zur signalformung bei der mehrkanal-audiorekonstruktion
MX2009003564A (es) Aparato y metodo para transformacion de parametro multicanal.
WO2008099776A1 (ja) ユーザインタフェース生成装置、情報端末、ユーザインタフェース生成制御プログラム、記録媒体、およびユーザインタフェース生成方法
TW200629239A (en) Advanced methods for interpolation and parameter signalling
TW200701822A (en) Multi-channel hierarchical audio coding with compact side-information
WO2009126553A3 (en) Dynamic integration of disparate health-related processes and data
WO2006133125A3 (en) Dynamic model generation methods and apparatus
TW200612392A (en) Multi-channel encoder
WO2006053103A3 (en) Method and apparatus for enforcing safety properties of computer programs by generating and solving constraints
MX2021008616A (es) Aparato y método para codificar una representación de audio espacial o aparato y método para decodificar una señal de audio codificada utilizando metadatos de transporte y programas de computadora relacionados.
WO2004070544A3 (en) A system and method for automated platform generation
WO2011109527A3 (en) Pre-processing and encoding media content
GB201021643D0 (en) Audio data generation method and apparatus
TW200603109A (en) Information recording method, information recording apparatus and information recording medium
WO2008084789A1 (ja) 三次元形状モデル生成装置、三次元形状モデル生成方法、コンピュータプログラム、及び三次元形状モデル生成システム
TW200725209A (en) System and method for generating standard operation procedure
WO2011078617A3 (ko) 치과용 모델을 설계하는 방법
TW200741497A (en) System and method for generating an insert design
TW200719352A (en) Multimedia scenario template generating system and method thereof
TW200508852A (en) Apparatus and method of using checking bits to conduct encrypting protection
WO2009031208A1 (ja) 情報処理装置、情報処理方法、情報処理プログラム及び記録媒体
WO2012043981A3 (ko) 콘텐츠 데이터의 메타 정보 생성 방법 및 장치
RU2008136185A (ru) Способ и устройство кодирования и декодирования объектно-ориентированного звукового сигнала
TW200512725A (en) A method of determining a merging bit in an optical storage device