CA2918864C - Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal - Google Patents

Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal Download PDF

Info

Publication number
CA2918864C
CA2918864C CA2918864A CA2918864A CA2918864C CA 2918864 C CA2918864 C CA 2918864C CA 2918864 A CA2918864 A CA 2918864A CA 2918864 A CA2918864 A CA 2918864A CA 2918864 C CA2918864 C CA 2918864C
Authority
CA
Canada
Prior art keywords
signal
channel audio
weighted
decorrelated
residual
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
CA2918864A
Other languages
English (en)
French (fr)
Other versions
CA2918864A1 (en
Inventor
Sascha Dick
Christian Helmrich
Johannes Hilpert
Andreas Holzer
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Priority to CA2974271A priority Critical patent/CA2974271C/en
Publication of CA2918864A1 publication Critical patent/CA2918864A1/en
Application granted granted Critical
Publication of CA2918864C publication Critical patent/CA2918864C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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 
    • 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 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA2918864A 2013-07-22 2014-07-17 Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal Active CA2918864C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2974271A CA2974271C (en) 2013-07-22 2014-07-17 Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13177375 2013-07-22
EP13177375.6 2013-07-22
EP13189309.1 2013-10-18
EP13189309.1A EP2830053A1 (en) 2013-07-22 2013-10-18 Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
PCT/EP2014/065416 WO2015011020A1 (en) 2013-07-22 2014-07-17 Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2974271A Division CA2974271C (en) 2013-07-22 2014-07-17 Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal

Publications (2)

Publication Number Publication Date
CA2918864A1 CA2918864A1 (en) 2015-01-29
CA2918864C true CA2918864C (en) 2018-07-10

Family

ID=48808223

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2918864A Active CA2918864C (en) 2013-07-22 2014-07-17 Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
CA2974271A Active CA2974271C (en) 2013-07-22 2014-07-17 Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2974271A Active CA2974271C (en) 2013-07-22 2014-07-17 Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal

Country Status (19)

Country Link
US (4) US10839812B2 (https=)
EP (5) EP2830053A1 (https=)
JP (5) JP6253776B2 (https=)
KR (2) KR101803212B1 (https=)
CN (2) CN110895944A (https=)
AR (1) AR097013A1 (https=)
AU (3) AU2014295212B2 (https=)
BR (3) BR122022015729B1 (https=)
CA (2) CA2918864C (https=)
ES (3) ES3004385T3 (https=)
MX (3) MX361809B (https=)
MY (2) MY192214A (https=)
PL (3) PL3025331T3 (https=)
PT (2) PT3025331T (https=)
RU (1) RU2676233C2 (https=)
SG (3) SG10201708211SA (https=)
TW (1) TWI566234B (https=)
WO (1) WO2015011020A1 (https=)
ZA (1) ZA201601081B (https=)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2830053A1 (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 and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
EP2830051A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
ES2641580T3 (es) * 2013-10-03 2017-11-10 Dolby Laboratories Licensing Corporation Generación de señal difusa adaptativa en un mezclador ascendente
KR102244379B1 (ko) * 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
KR20160101692A (ko) 2015-02-17 2016-08-25 한국전자통신연구원 다채널 신호 처리 방법 및 상기 방법을 수행하는 다채널 신호 처리 장치
FR3045915A1 (fr) * 2015-12-16 2017-06-23 Orange Traitement de reduction de canaux adaptatif pour le codage d'un signal audio multicanal
CN110998721B (zh) * 2017-07-28 2024-04-26 弗劳恩霍夫应用研究促进协会 用于使用宽频带滤波器生成的填充信号对已编码的多声道信号进行编码或解码的装置
CN117133297A (zh) * 2017-08-10 2023-11-28 华为技术有限公司 时域立体声参数的编码方法和相关产品
CN109389985B (zh) 2017-08-10 2021-09-14 华为技术有限公司 时域立体声编解码方法和相关产品
US10839814B2 (en) * 2017-10-05 2020-11-17 Qualcomm Incorporated Encoding or decoding of audio signals
US10580420B2 (en) * 2017-10-05 2020-03-03 Qualcomm Incorporated Encoding or decoding of audio signals
US10535357B2 (en) 2017-10-05 2020-01-14 Qualcomm Incorporated Encoding or decoding of audio signals
CN110060696B (zh) * 2018-01-19 2021-06-15 腾讯科技（深圳）有限公司 混音方法及装置、终端及可读存储介质
TWI869186B (zh) 2018-01-26 2025-01-01 瑞典商都比國際公司 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體
US10586546B2 (en) 2018-04-26 2020-03-10 Qualcomm Incorporated Inversely enumerated pyramid vector quantizers for efficient rate adaptation in audio coding
US10573331B2 (en) * 2018-05-01 2020-02-25 Qualcomm Incorporated Cooperative pyramid vector quantizers for scalable audio coding
CN110556118B (zh) * 2018-05-31 2022-05-10 华为技术有限公司 立体声信号的编码方法和装置
CN110556116B (zh) * 2018-05-31 2021-10-22 华为技术有限公司 计算下混信号和残差信号的方法和装置
CN114708874A (zh) * 2018-05-31 2022-07-05 华为技术有限公司 立体声信号的编码方法和装置
ES3059239T3 (en) 2018-07-04 2026-03-19 Fraunhofer Ges Forschung Multisignal encoder, multisignal decoder, and related methods using signal whitening or signal post processing
KR20200073878A (ko) 2018-12-15 2020-06-24 한수영 자동 플라스틱 컵 분리기
WO2020126120A1 (en) 2018-12-20 2020-06-25 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for controlling multichannel audio frame loss concealment
MX2021015314A (es) * 2019-06-14 2022-02-03 Fraunhofer Ges Forschung Codificacion y decodificacion de parametros.
CN110739000B (zh) * 2019-10-14 2022-02-01 武汉大学 一种适应于个性化交互系统的音频对象编码方法
CN111081264B (zh) * 2019-12-06 2022-03-29 北京明略软件系统有限公司 一种语音信号处理方法、装置、设备及存储介质
CN120496544A (zh) * 2020-03-09 2025-08-15 日本电信电话株式会社 用于声音信号缩混的程序
GB2595475A (en) * 2020-05-27 2021-12-01 Nokia Technologies Oy Spatial audio representation and rendering
EP4202921B1 (en) * 2020-09-28 2026-04-08 Samsung Electronics Co., Ltd. Audio encoding apparatus and audio decoding apparatus
MX2023003965A (es) 2020-10-09 2023-05-25 Fraunhofer Ges Forschung Aparato, metodo, o programa de computadora para procesar una escena de audio codificada utilizando una extension de ancho de banda.
AU2021358432B2 (en) 2020-10-09 2024-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method, or computer program for processing an encoded audio scene using a parameter conversion
AU2021357364B2 (en) 2020-10-09 2024-06-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method, or computer program for processing an encoded audio scene using a parameter smoothing
EP4440151A4 (en) * 2021-11-26 2024-11-27 Beijing Xiaomi Mobile Software Co., Ltd. METHOD AND DEVICE FOR STEREO AUDIO SIGNAL PROCESSING, ENCODING DEVICE, DECODING DEVICE AND STORAGE MEDIUM

Family Cites Families (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3330178B2 (ja) 1993-02-26 2002-09-30 松下電器産業株式会社 音声符号化装置および音声復号化装置
US5488665A (en) * 1993-11-23 1996-01-30 At&T Corp. Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels
US5970152A (en) 1996-04-30 1999-10-19 Srs Labs, Inc. Audio enhancement system for use in a surround sound environment
US7379866B2 (en) * 2003-03-15 2008-05-27 Mindspeed Technologies, Inc. Simple noise suppression model
SE0301273D0 (sv) * 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
ES2282899T3 (es) * 2003-10-30 2007-10-16 Koninklijke Philips Electronics N.V. Codificacion o descodificacion de señales de audio.
US7394903B2 (en) 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
US7392195B2 (en) * 2004-03-25 2008-06-24 Dts, Inc. Lossless multi-channel audio codec
EP1735778A1 (en) 2004-04-05 2006-12-27 Koninklijke Philips Electronics N.V. Stereo coding and decoding methods and apparatuses thereof
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
MX2007005261A (es) * 2004-11-04 2007-07-09 Koninkl Philips Electronics Nv Codificacion y descodificacion de un conjunto de senales.
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
JP4543973B2 (ja) * 2005-03-08 2010-09-15 富士電機機器制御株式会社 ＡＳ−ｉ用スレーブの過負荷・短絡保護回路
PL1866912T3 (pl) 2005-03-30 2011-03-31 Koninl Philips Electronics Nv Kodowanie wielokanałowego sygnału audio
KR100818268B1 (ko) 2005-04-14 2008-04-02 삼성전자주식회사 오디오 데이터 부호화 및 복호화 장치와 방법
US7751572B2 (en) 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
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
KR100636249B1 (ko) * 2005-09-28 2006-10-19 삼성전자주식회사 인핸스드 오디오 매트릭스 디코딩 방법 및 장치
US7974713B2 (en) * 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
JP2007207328A (ja) 2006-01-31 2007-08-16 Toshiba Corp 情報記憶媒体、プログラム、情報再生方法、情報再生装置、データ転送方法、及びデータ処理方法
US20080004883A1 (en) 2006-06-30 2008-01-03 Nokia Corporation Scalable audio coding
PL2092791T3 (pl) 2006-10-13 2011-05-31 Galaxy Studios Nv Sposób i koder do łączenia zestawów danych cyfrowych, sposób dekodowania i dekoder do takich połączonych zestawów danych cyfrowych oraz nośnik zapisu do przechowywania takich połączonych zestawów danych cyfrowych
JP4871894B2 (ja) 2007-03-02 2012-02-08 パナソニック株式会社 符号化装置、復号装置、符号化方法および復号方法
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
EP2624253A3 (en) 2007-10-22 2013-11-06 Electronics and Telecommunications Research Institute Multi-object audio encoding and decoding method and apparatus thereof
US8386271B2 (en) * 2008-03-25 2013-02-26 Microsoft Corporation Lossless and near lossless scalable audio codec
WO2009141775A1 (en) * 2008-05-23 2009-11-26 Koninklijke Philips Electronics N.V. A parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder
EP2144231A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme with common preprocessing
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
KR101366997B1 (ko) 2008-07-31 2014-02-24 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 바이노럴 신호를 위한 신호생성
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.
WO2010064877A2 (en) 2008-12-05 2010-06-10 Lg Electronics Inc. A method and an apparatus for processing an audio signal
CN105225667B (zh) * 2009-03-17 2019-04-05 杜比国际公司 编码器系统、解码器系统、编码方法和解码方法
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
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
KR101613975B1 (ko) 2009-08-18 2016-05-02 삼성전자주식회사 멀티 채널 오디오 신호의 부호화 방법 및 장치, 그 복호화 방법 및 장치
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
PL2489037T3 (pl) * 2009-10-16 2022-03-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie, sposób i program komputerowy do dostarczania regulowanych parametrów
KR20110049068A (ko) * 2009-11-04 2011-05-12 삼성전자주식회사 멀티 채널 오디오 신호의 부호화/복호화 장치 및 방법
MX2012006823A (es) 2009-12-16 2012-07-23 Dolby Int Ab Mezcla descendente de parametros de corriente de bits sbr.
EP2360681A1 (en) 2010-01-15 2011-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
EP2375409A1 (en) 2010-04-09 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
KR101698439B1 (ko) * 2010-04-09 2017-01-20 돌비 인터네셔널 에이비 Mdct-기반의 복소수 예측 스테레오 코딩
ES2911893T3 (es) 2010-04-13 2022-05-23 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio y métodos relacionados para procesar señales de audio estéreo usando una dirección de predicción variable
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
KR101697550B1 (ko) 2010-09-16 2017-02-02 삼성전자주식회사 멀티채널 오디오 대역폭 확장 장치 및 방법
JP5533502B2 (ja) 2010-09-28 2014-06-25 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及びオーディオ符号化用コンピュータプログラム
GB2485979A (en) 2010-11-26 2012-06-06 Univ Surrey Spatial audio coding
CN102074242B (zh) * 2010-12-27 2012-03-28 武汉大学 语音音频混合分级编码中核心层残差提取系统及方法
JP5582027B2 (ja) * 2010-12-28 2014-09-03 富士通株式会社 符号器、符号化方法および符号化プログラム
EP2477188A1 (en) 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of slot positions of events in an audio signal frame
SG194199A1 (en) 2011-03-18 2013-12-30 Fraunhofer Ges Forschung Frame element positioning in frames of a bitstream representing audio content
JP5737077B2 (ja) 2011-08-30 2015-06-17 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及びオーディオ符号化用コンピュータプログラム
JP5998467B2 (ja) 2011-12-14 2016-09-28 富士通株式会社 復号装置、復号方法、及び復号プログラム
EP2830053A1 (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 and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
EP2830051A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals

Also Published As

Publication number Publication date
US20160275958A1 (en) 2016-09-22
MY192214A (en) 2022-08-09
US10354661B2 (en) 2019-07-16
JP6585128B2 (ja) 2019-10-02
AU2017216523B2 (en) 2019-05-16
JP7269279B2 (ja) 2023-05-08
BR122022015729A2 (https=) 2017-07-25
MX2016000513A (es) 2016-04-07
ES3004385T3 (en) 2025-03-12
EP3425633A1 (en) 2019-01-09
JP2021140170A (ja) 2021-09-16
CA2974271A1 (en) 2015-01-29
EP3660844C0 (en) 2024-12-04
US10839812B2 (en) 2020-11-17
ES2798137T3 (es) 2020-12-09
TWI566234B (zh) 2017-01-11
PL3425633T3 (pl) 2020-10-19
CA2974271C (en) 2020-06-02
JP2018010312A (ja) 2018-01-18
JP2019135547A (ja) 2019-08-15
MX2018009140A (es) 2020-09-17
BR122022015729A8 (pt) 2022-11-29
AU2017216523A1 (en) 2017-08-31
BR122022015747A2 (https=) 2017-07-25
AU2019202950A1 (en) 2019-05-16
CA2918864A1 (en) 2015-01-29
RU2676233C2 (ru) 2018-12-26
KR101893016B1 (ko) 2018-08-29
CN110895944A (zh) 2020-03-20
PL3025331T3 (pl) 2019-01-31
ZA201601081B (en) 2017-11-29
AU2014295212B2 (en) 2017-08-31
KR101803212B1 (ko) 2017-12-28
PT3425633T (pt) 2020-08-20
EP3425633B1 (en) 2020-05-13
MX361809B (es) 2018-12-14
JP2016531483A (ja) 2016-10-06
AU2014295212A1 (en) 2016-03-10
BR112016001248B1 (pt) 2022-11-16
PL3660844T3 (pl) 2025-04-07
KR20170084355A (ko) 2017-07-19
BR122022015747A8 (pt) 2022-11-29
AU2019202950B2 (en) 2020-11-26
SG10201708209WA (en) 2017-11-29
TW201519215A (zh) 2015-05-16
ES2701812T3 (es) 2019-02-26
US20200388293A1 (en) 2020-12-10
JP2023103271A (ja) 2023-07-26
BR112016001248A2 (https=) 2017-07-25
EP3025331B1 (en) 2018-08-15
SG10201708211SA (en) 2017-11-29
US20180040328A1 (en) 2018-02-08
KR20160033163A (ko) 2016-03-25
EP2830053A1 (en) 2015-01-28
WO2015011020A1 (en) 2015-01-29
EP3660844B1 (en) 2024-12-04
AR097013A1 (es) 2016-02-10
BR122022015747B1 (pt) 2023-03-14
PT3025331T (pt) 2018-11-23
RU2016105647A (ru) 2017-08-25
CN105556596A (zh) 2016-05-04
EP3660844A1 (en) 2020-06-03
JP7156986B2 (ja) 2022-10-19
EP4492378A2 (en) 2025-01-15
CN105556596B (zh) 2019-12-13
JP6253776B2 (ja) 2017-12-27
EP4492378A3 (en) 2025-01-29
EP3025331A1 (en) 2016-06-01
MX2023001960A (es) 2023-02-23
US10755720B2 (en) 2020-08-25
SG11201600403VA (en) 2016-02-26
BR122022015729B1 (pt) 2023-03-14
MY198121A (en) 2023-08-04
US20160142845A1 (en) 2016-05-19

Similar Documents

Publication Publication Date Title
CA2918864C (en) Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
HK40120298A (en) Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
HK40003187B (en) Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
HK40003187A (en) Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
HK1224798B (en) Multi-channel audio decoder, method and computer program using an adjustment of a contribution of a decorrelated signal
HK1224798A1 (en) Multi-channel audio decoder, method and computer program using an adjustment of a contribution of a decorrelated signal

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20160121

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 11TH ANNIV.) - STANDARD

Year of fee payment: 11

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20250707

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20250707