KR101893410B1 - 다채널 역상관기, 다채널 오디오 디코더, 다채널 오디오 인코더, 방법 및 역상관 입력 신호들의 프리믹스를 사용하는 컴퓨터 프로그램 - Google Patents

다채널 역상관기, 다채널 오디오 디코더, 다채널 오디오 인코더, 방법 및 역상관 입력 신호들의 프리믹스를 사용하는 컴퓨터 프로그램 Download PDF

Info

Publication number
KR101893410B1
KR101893410B1 KR1020167004501A KR20167004501A KR101893410B1 KR 101893410 B1 KR101893410 B1 KR 101893410B1 KR 1020167004501 A KR1020167004501 A KR 1020167004501A KR 20167004501 A KR20167004501 A KR 20167004501A KR 101893410 B1 KR101893410 B1 KR 101893410B1
Authority
KR
South Korea
Prior art keywords
decorrelator
signals
channel
input signals
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.)
Active
Application number
KR1020167004501A
Other languages
English (en)
Korean (ko)
Other versions
KR20160042913A (ko
Inventor
사샤 디쉬
하랄드 푹스
올리버 헬무트
위르겐 헤레
아드리안 무르타자
조우니 파울루스
팔코 리더부슈
레온 테렌티브
Original Assignee
프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베.
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 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. filed Critical 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베.
Publication of KR20160042913A publication Critical patent/KR20160042913A/ko
Application granted granted Critical
Publication of KR101893410B1 publication Critical patent/KR101893410B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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 
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
KR1020167004501A 2013-07-22 2014-07-17 다채널 역상관기, 다채널 오디오 디코더, 다채널 오디오 인코더, 방법 및 역상관 입력 신호들의 프리믹스를 사용하는 컴퓨터 프로그램 Active KR101893410B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13177374.9 2013-07-22
EP13177374 2013-07-22
EP20130189339 EP2830333A1 (en) 2013-07-22 2013-10-18 Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
EP13189339.8 2013-10-18
PCT/EP2014/065395 WO2015011014A1 (en) 2013-07-22 2014-07-17 Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals

Publications (2)

Publication Number Publication Date
KR20160042913A KR20160042913A (ko) 2016-04-20
KR101893410B1 true KR101893410B1 (ko) 2018-10-04

Family

ID=48832794

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167004501A Active KR101893410B1 (ko) 2013-07-22 2014-07-17 다채널 역상관기, 다채널 오디오 디코더, 다채널 오디오 인코더, 방법 및 역상관 입력 신호들의 프리믹스를 사용하는 컴퓨터 프로그램

Country Status (19)

Country Link
US (6) US11115770B2 (https=)
EP (5) EP2830334A1 (https=)
JP (3) JP6434013B2 (https=)
KR (1) KR101893410B1 (https=)
CN (1) CN105580390B (https=)
AR (2) AR097015A1 (https=)
AU (2) AU2014295206B2 (https=)
BR (1) BR112016001245B1 (https=)
CA (1) CA2919077C (https=)
ES (3) ES2924174T3 (https=)
MX (3) MX362548B (https=)
MY (1) MY178904A (https=)
PL (1) PL3025515T3 (https=)
PT (1) PT3025515T (https=)
RU (1) RU2666640C2 (https=)
SG (1) SG11201600491SA (https=)
TW (1) TWI587285B (https=)
WO (1) WO2015011014A1 (https=)
ZA (1) ZA201601047B (https=)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11201600466PA (en) 2013-07-22 2016-02-26 Fraunhofer Ges Forschung Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
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
WO2015036350A1 (en) * 2013-09-12 2015-03-19 Dolby International Ab Audio decoding system and audio encoding system
EP4601259A3 (en) * 2014-09-30 2025-09-24 Sony Group Corporation Transmitting device, transmission method, receiving device, and receiving method
EP3266021B1 (en) 2015-03-03 2019-05-08 Dolby Laboratories Licensing Corporation Enhancement of spatial audio signals by modulated decorrelation
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
CN107886960B (zh) * 2016-09-30 2020-12-01 华为技术有限公司 一种音频信号重建方法及装置
US10349196B2 (en) 2016-10-03 2019-07-09 Nokia Technologies Oy Method of editing audio signals using separated objects and associated apparatus
US10839814B2 (en) * 2017-10-05 2020-11-17 Qualcomm Incorporated Encoding or decoding of audio signals
US11004457B2 (en) * 2017-10-18 2021-05-11 Htc Corporation Sound reproducing method, apparatus and non-transitory computer readable storage medium thereof
EP3588988B1 (en) * 2018-06-26 2021-02-17 Nokia Technologies Oy Selective presentation of ambient audio content for spatial audio presentation
WO2020126120A1 (en) * 2018-12-20 2020-06-25 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for controlling multichannel audio frame loss concealment
GB2582748A (en) * 2019-03-27 2020-10-07 Nokia Technologies Oy Sound field related rendering
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
GB2584630A (en) * 2019-05-29 2020-12-16 Nokia Technologies Oy Audio processing
US11545166B2 (en) 2019-07-02 2023-01-03 Dolby International Ab Using metadata to aggregate signal processing operations
JP7434610B2 (ja) 2020-05-26 2024-02-20 ドルビー・インターナショナル・アーベー 効率的なダッキング利得適用による改善されたメイン‐関連オーディオ体験
AU2021341939A1 (en) 2020-09-09 2023-03-23 Dolby International Ab Processing parametrically coded audio
EP4738346A1 (en) 2020-12-02 2026-05-06 Dolby International AB Immersive voice and audio services (ivas) with adaptive downmix strategies
KR20230001135A (ko) * 2021-06-28 2023-01-04 네이버 주식회사 사용자 맞춤형 현장감 실현을 위한 오디오 콘텐츠를 처리하는 컴퓨터 시스템 및 그의 방법
US12610207B2 (en) 2021-11-26 2026-04-21 Electronics And Telecommunications Research Institute Acoustic signal processing device for spatially extended sound source and method
KR20250025003A (ko) 2022-07-27 2025-02-20 돌비 레버러토리즈 라이쎈싱 코오포레이션 신호 레벨 및 라우드스피커 재생 한계 임계치에 적응적인 공간 오디오 렌더링

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008131903A1 (en) * 2007-04-26 2008-11-06 Dolby Sweden Ab Apparatus and method for synthesizing an output signal

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030014439A1 (en) * 2001-06-20 2003-01-16 International Business Machines Corporation Defining a markup language representation for state chart data
ATE390683T1 (de) * 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
BRPI0509113B8 (pt) * 2004-04-05 2018-10-30 Koninklijke Philips Nv codificador de multicanal, método para codificar sinais de entrada, conteúdo de dados codificados, portador de dados, e, decodificador operável para decodificar dados de saída codificados
TWI393121B (zh) 2004-08-25 2013-04-11 杜比實驗室特許公司 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
US7720230B2 (en) 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
SE0402652D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
EP1866913B1 (en) 2005-03-30 2008-08-27 Koninklijke Philips Electronics N.V. Audio encoding and decoding
EP1927102A2 (en) * 2005-06-03 2008-06-04 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
US8626503B2 (en) 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
JP4650343B2 (ja) 2005-07-15 2011-03-16 セイコーエプソン株式会社 電気光学装置及び電子機器
KR20070025905A (ko) 2005-08-30 2007-03-08 엘지전자 주식회사 멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법
CN101253555B (zh) * 2005-09-01 2011-08-24 松下电器产业株式会社 多声道音频信号处理装置及多声道音频信号处理方法
US8073703B2 (en) * 2005-10-07 2011-12-06 Panasonic Corporation Acoustic signal processing apparatus and acoustic signal processing method
KR100888474B1 (ko) 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
KR101218776B1 (ko) * 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
WO2007083952A1 (en) * 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
KR100773560B1 (ko) * 2006-03-06 2007-11-05 삼성전자주식회사 스테레오 신호 생성 방법 및 장치
TW200742275A (en) * 2006-03-21 2007-11-01 Dolby Lab Licensing Corp Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information
EP1999997B1 (en) 2006-03-28 2011-04-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Enhanced method for signal shaping in multi-channel audio reconstruction
CN101411214B (zh) 2006-03-28 2011-08-10 艾利森电话股份有限公司 用于多信道环绕声音的解码器的方法和装置
EP2005787B1 (en) 2006-04-03 2012-01-25 Srs Labs, Inc. Audio signal processing
US8027479B2 (en) 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
JP5337941B2 (ja) * 2006-10-16 2013-11-06 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ マルチチャネル・パラメータ変換のための装置および方法
KR101012259B1 (ko) 2006-10-16 2011-02-08 돌비 스웨덴 에이비 멀티채널 다운믹스된 객체 코딩의 개선된 코딩 및 파라미터 표현
WO2008069593A1 (en) 2006-12-07 2008-06-12 Lg Electronics Inc. A method and an apparatus for processing an audio signal
WO2009039897A1 (en) * 2007-09-26 2009-04-02 Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Apparatus and method for extracting an ambient signal in an apparatus and method for obtaining weighting coefficients for extracting an ambient signal and computer program
KR101146841B1 (ko) 2007-10-09 2012-05-17 돌비 인터네셔널 에이비 바이노럴 오디오 신호를 생성하기 위한 방법 및 장치
JP5883561B2 (ja) 2007-10-17 2016-03-15 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ アップミックスを使用した音声符号器
EP2093911A3 (en) 2007-11-28 2010-01-13 Lg Electronics Inc. Receiving system and audio data processing method thereof
US8126172B2 (en) 2007-12-06 2012-02-28 Harman International Industries, Incorporated Spatial processing stereo system
JP5243554B2 (ja) 2008-01-01 2013-07-24 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及び装置
US20090194756A1 (en) * 2008-01-31 2009-08-06 Kau Derchang Self-aligned eletrode phase change memory
CN101946526B (zh) 2008-02-14 2013-01-02 杜比实验室特许公司 声音再现方法和系统以及立体声扩展方法
JP5366104B2 (ja) 2008-06-26 2013-12-11 オランジュ マルチチャネル・オーディオ信号の空間合成
EP2144229A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Efficient use of phase information in audio encoding and decoding
EP2175670A1 (en) 2008-10-07 2010-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Binaural rendering of a multi-channel audio signal
MX2011011399A (es) * 2008-10-17 2012-06-27 Univ Friedrich Alexander Er Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto.
SG174117A1 (en) 2009-04-08 2011-10-28 Fraunhofer Ges Forschung Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing
BRPI0924007B1 (pt) * 2009-04-15 2021-08-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Unidade de supressão de eco acústico e conferência de front-end
WO2010149700A1 (en) 2009-06-24 2010-12-29 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages
EP2285139B1 (en) 2009-06-25 2018-08-08 Harpex Ltd. Device and method for converting spatial audio signal
JP5793675B2 (ja) * 2009-07-31 2015-10-14 パナソニックＩｐマネジメント株式会社 符号化装置および復号装置
TWI433137B (zh) 2009-09-10 2014-04-01 Dolby Int Ab 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
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
JP5753899B2 (ja) * 2010-07-20 2015-07-22 ファーウェイ テクノロジーズ カンパニー リミテッド オーディオ信号合成器
EP4645307B1 (en) * 2010-08-25 2026-04-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for encoding an audio signal having a plurality of channels
JP6096789B2 (ja) * 2011-11-01 2017-03-15 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． オーディオオブジェクトのエンコーディング及びデコーディング
US9749473B2 (en) * 2012-03-23 2017-08-29 Dolby Laboratories Licensing Corporation Placement of talkers in 2D or 3D conference scene
EP2956935B1 (en) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008131903A1 (en) * 2007-04-26 2008-11-06 Dolby Sweden Ab Apparatus and method for synthesizing an output signal

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ISO/IEC FDIS 23003-1:2006(E). Information technology - MPEG audio technologies Part 1: MPEG Surround. ISO/IEC JTC 1/SC 29/WG 11. 2006.07.21.*
Jurgen Herre, et al. MPEG Surround - The ISO/MPEG Standard for Efficient and Compatible Multichannel Audio Coding. Journal of the Audio Engineering Society, 2008.11, Vol.56,No.11, pp.932-955.

Also Published As

Publication number Publication date
US11381925B2 (en) 2022-07-05
MX2018012891A (es) 2020-11-06
EP3419314A1 (en) 2018-12-26
JP2018198434A (ja) 2018-12-13
US20220167102A1 (en) 2022-05-26
US20160157039A1 (en) 2016-06-02
EP2830333A1 (en) 2015-01-28
BR112016001245A2 (https=) 2017-07-25
US20160353222A1 (en) 2016-12-01
JP7000488B2 (ja) 2022-01-19
CN105580390A (zh) 2016-05-11
JP2016531482A (ja) 2016-10-06
US11240619B2 (en) 2022-02-01
JP6687683B2 (ja) 2020-04-28
SG11201600491SA (en) 2016-02-26
EP3419314B1 (en) 2022-04-27
US20160240199A1 (en) 2016-08-18
EP3419315B1 (en) 2022-05-04
AU2017248532A1 (en) 2017-11-09
US11252523B2 (en) 2022-02-15
BR112016001245B1 (pt) 2022-06-21
RU2666640C2 (ru) 2018-09-11
AR097014A1 (es) 2016-02-10
US11115770B2 (en) 2021-09-07
EP2830334A1 (en) 2015-01-28
JP2020120389A (ja) 2020-08-06
MY178904A (en) 2020-10-22
JP6434013B2 (ja) 2018-12-05
ZA201601047B (en) 2017-11-29
MX2018012892A (es) 2020-09-17
US10448185B2 (en) 2019-10-15
AR097015A1 (es) 2016-02-10
EP3025515A1 (en) 2016-06-01
MX2016000915A (es) 2016-05-31
EP3025515B1 (en) 2019-02-13
WO2015011014A1 (en) 2015-01-29
TWI587285B (zh) 2017-06-11
AU2014295206B2 (en) 2017-11-02
AU2017248532B2 (en) 2019-09-19
CN105580390B (zh) 2018-06-12
ES2924174T3 (es) 2022-10-05
US20190124459A1 (en) 2019-04-25
ES2725427T3 (es) 2019-09-24
CA2919077C (en) 2019-07-09
KR20160042913A (ko) 2016-04-20
RU2016105468A (ru) 2017-08-29
US20160316307A1 (en) 2016-10-27
ES2925038T3 (es) 2022-10-13
CA2919077A1 (en) 2015-01-29
MX362548B (es) 2019-01-24
PT3025515T (pt) 2019-05-30
TW201532034A (zh) 2015-08-16
EP3419315A1 (en) 2018-12-26
AU2014295206A1 (en) 2016-03-10
PL3025515T3 (pl) 2019-08-30

Similar Documents

Publication Publication Date Title
KR101893410B1 (ko) 다채널 역상관기, 다채널 오디오 디코더, 다채널 오디오 인코더, 방법 및 역상관 입력 신호들의 프리믹스를 사용하는 컴퓨터 프로그램
KR101829822B1 (ko) 다채널 오디오 디코더, 다채널 오디오 인코더, 방법, 컴퓨터 프로그램 및 렌더링된 오디오 신호들의 역상관을 사용하는 인코딩된 오디오 표현
HK40002400A (en) Multi-channel decorrelator, method and computer program using a premix of decorrelator input signals
HK40002400B (en) Multi-channel decorrelator, method and computer program using a premix of decorrelator input signals
HK40002401B (en) Multi-channel decorrelator, multi-channel audio encoder, method and computer program using a premix of decorrelator input signals
HK40002401A (en) Multi-channel decorrelator, multi-channel audio encoder, method and computer program using a premix of decorrelator input signals
HK1225548A1 (en) Multi-channel decorrelator, multi-channel audio decoder, methods and computer program using a premix of decorrelator input signals
HK1225548B (en) Multi-channel decorrelator, multi-channel audio decoder, methods and computer program using a premix of decorrelator input signals
HK1224867A1 (en) Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
HK1224867B (en) Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals

Legal Events

Date Code Title Description
A201 Request for examination
PA0105 International application

Patent event date: 20160222

Patent event code: PA01051R01D

Comment text: International Patent Application

PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20160222

Comment text: Request for Examination of Application

PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20170126

Patent event code: PE09021S01D

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20171204

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20180607

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20180824

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20180827

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
FPAY Annual fee payment

Payment date: 20210729

Year of fee payment: 4

PR1001 Payment of annual fee

Payment date: 20210729

Start annual number: 4

End annual number: 4

FPAY Annual fee payment

Payment date: 20220816

Year of fee payment: 5

PR1001 Payment of annual fee

Payment date: 20220816

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20230816

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 20240813

Start annual number: 7

End annual number: 7