PL2491551T3 - 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 - Google Patents

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

Info

Publication number
PL2491551T3
PL2491551T3 PL10765803T PL10765803T PL2491551T3 PL 2491551 T3 PL2491551 T3 PL 2491551T3 PL 10765803 T PL10765803 T PL 10765803T PL 10765803 T PL10765803 T PL 10765803T PL 2491551 T3 PL2491551 T3 PL 2491551T3
Authority
PL
Poland
Prior art keywords
providing
bitstream
signal representation
basis
computer program
Prior art date
Application number
PL10765803T
Other languages
English (en)
Inventor
Jonas Engdegard
Heiko Purnhagen
Jürgen Herre
Leon Terentiv
Cornelia Falch
Oliver Hellmuth
Original Assignee
Fraunhofer Ges Forschung
Dolby Int 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 Fraunhofer Ges Forschung, Dolby Int Ab filed Critical Fraunhofer Ges Forschung
Publication of PL2491551T3 publication Critical patent/PL2491551T3/pl

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Control Of Amplification And Gain Control (AREA)
PL10765803T 2009-10-20 2010-10-19 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 PL2491551T3 (pl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US25323709P 2009-10-20 2009-10-20
US36926010P 2010-07-30 2010-07-30
EP10171418 2010-07-30
PCT/EP2010/065671 WO2011048067A1 (en) 2009-10-20 2010-10-19 Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multichannel audio signal, methods, computer program and bitstream using a distortion control signaling
EP10765803.1A EP2491551B1 (en) 2009-10-20 2010-10-19 Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multichannel audio signal, methods, computer program and bitstream using a distortion control signaling

Publications (1)

Publication Number Publication Date
PL2491551T3 true PL2491551T3 (pl) 2015-06-30

Family

ID=43416602

Family Applications (1)

Application Number Title Priority Date Filing Date
PL10765803T PL2491551T3 (pl) 2009-10-20 2010-10-19 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

Country Status (16)

Country Link
US (1) US9060236B2 (pl)
EP (1) EP2491551B1 (pl)
JP (1) JP5719372B2 (pl)
KR (1) KR101418661B1 (pl)
CN (1) CN102640213B (pl)
AR (1) AR078701A1 (pl)
AU (1) AU2010309867B2 (pl)
CA (1) CA2778239C (pl)
ES (1) ES2529219T3 (pl)
HK (1) HK1175580A1 (pl)
MX (1) MX2012004621A (pl)
MY (1) MY153337A (pl)
PL (1) PL2491551T3 (pl)
RU (1) RU2577199C2 (pl)
TW (1) TWI431611B (pl)
WO (1) WO2011048067A1 (pl)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
KR101438387B1 (ko) * 2006-07-12 2014-09-05 삼성전자주식회사 서라운드 확장 데이터 부호화 및 복호화 방법 및 장치
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.
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
US9536529B2 (en) 2010-01-06 2017-01-03 Lg Electronics Inc. Apparatus for processing an audio signal and method thereof
WO2011119401A2 (en) 2010-03-23 2011-09-29 Dolby Laboratories Licensing Corporation Techniques for localized perceptual audio
US10158958B2 (en) 2010-03-23 2018-12-18 Dolby Laboratories Licensing Corporation Techniques for localized perceptual audio
KR20120071072A (ko) * 2010-12-22 2012-07-02 한국전자통신연구원 객체 기반 오디오를 제공하는 방송 송신 장치 및 방법, 그리고 방송 재생 장치 및 방법
JP5740531B2 (ja) 2011-07-01 2015-06-24 ドルビー ラボラトリーズ ライセンシング コーポレイション オブジェクトベースオーディオのアップミキシング
US9479887B2 (en) 2012-09-19 2016-10-25 Nokia Technologies Oy Method and apparatus for pruning audio based on multi-sensor analysis
EP2717262A1 (en) 2012-10-05 2014-04-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding
EP2717261A1 (en) * 2012-10-05 2014-04-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for backward compatible multi-resolution spatial-audio-object-coding
ES2643789T3 (es) 2013-05-24 2017-11-24 Dolby International Ab Codificación eficiente de escenas de audio que comprenden objetos de audio
RU2630754C2 (ru) 2013-05-24 2017-09-12 Долби Интернешнл Аб Эффективное кодирование звуковых сцен, содержащих звуковые объекты
CN105393304B (zh) * 2013-05-24 2019-05-28 杜比国际公司 音频编码和解码方法、介质以及音频编码器和解码器
IL290275B2 (en) 2013-05-24 2023-02-01 Dolby Int Ab Encoding audio scenes
US9666198B2 (en) 2013-05-24 2017-05-30 Dolby International Ab Reconstruction of audio scenes from a downmix
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
EP3014901B1 (en) 2013-06-28 2017-08-23 Dolby Laboratories Licensing Corporation Improved rendering of audio objects using discontinuous rendering-matrix updates
EP2830049A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for efficient 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
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
AU2014339065B2 (en) * 2013-10-21 2017-04-20 Dolby International Ab Decorrelator structure for parametric reconstruction of audio signals
EP3061089B1 (en) * 2013-10-21 2018-01-17 Dolby International AB Parametric reconstruction of audio signals
WO2015145782A1 (en) * 2014-03-26 2015-10-01 Panasonic Corporation Apparatus and method for surround audio signal processing
WO2015150384A1 (en) 2014-04-01 2015-10-08 Dolby International Ab Efficient coding of audio scenes comprising audio objects
WO2015180866A1 (en) 2014-05-28 2015-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Data processor and transport of user control data to audio decoders and renderers
CN105989845B (zh) 2015-02-25 2020-12-08 杜比实验室特许公司 视频内容协助的音频对象提取
US11087024B2 (en) * 2016-01-29 2021-08-10 Samsung Electronics Co., Ltd. System and method to enable privacy-preserving real time services against inference attacks
CN107731238B (zh) 2016-08-10 2021-07-16 华为技术有限公司 多声道信号的编码方法和编码器
US10304468B2 (en) * 2017-03-20 2019-05-28 Qualcomm Incorporated Target sample generation
WO2023015375A1 (en) * 2021-08-10 2023-02-16 Voiceage Corporation Method and device for limiting of output synthesis distortion in a sound codec

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002307884A1 (en) 2002-04-22 2003-11-03 Nokia Corporation Method and device for obtaining parameters for parametric speech coding of frames
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
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
KR100933548B1 (ko) * 2005-04-15 2009-12-23 돌비 스웨덴 에이비 비상관 신호의 시간적 엔벨로프 정형화
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
JP4806031B2 (ja) * 2006-01-19 2011-11-02 エルジー エレクトロニクス インコーポレイティド メディア信号の処理方法及び装置
EP2102858A4 (en) * 2006-12-07 2010-01-20 Lg Electronics Inc METHOD AND DEVICE FOR PROCESSING AN AUDIO SIGNAL
CN101647060A (zh) * 2007-02-13 2010-02-10 Lg电子株式会社 处理音频信号的方法和装置
WO2009051132A1 (ja) * 2007-10-19 2009-04-23 Nec Corporation 信号処理システムと、その装置、方法及びそのプログラム
WO2010036062A2 (en) * 2008-09-25 2010-04-01 Lg Electronics Inc. A method and an apparatus for processing a signal

Also Published As

Publication number Publication date
MX2012004621A (es) 2012-05-08
CN102640213B (zh) 2014-07-09
RU2577199C2 (ru) 2016-03-10
MY153337A (en) 2015-01-29
ES2529219T3 (es) 2015-02-18
RU2012118789A (ru) 2013-11-10
AU2010309867A1 (en) 2012-05-31
AR078701A1 (es) 2011-11-30
JP5719372B2 (ja) 2015-05-20
TW201131552A (en) 2011-09-16
US9060236B2 (en) 2015-06-16
HK1175580A1 (en) 2013-07-05
EP2491551A1 (en) 2012-08-29
JP2013511053A (ja) 2013-03-28
WO2011048067A1 (en) 2011-04-28
CA2778239C (en) 2015-12-15
AU2010309867B2 (en) 2014-05-08
EP2491551B1 (en) 2015-01-07
US20120243690A1 (en) 2012-09-27
KR20120082462A (ko) 2012-07-23
TWI431611B (zh) 2014-03-21
KR101418661B1 (ko) 2014-07-14
CA2778239A1 (en) 2011-04-28
CN102640213A (zh) 2012-08-15

Similar Documents

Publication Publication Date Title
HK1175580A1 (en) Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multichannel audio signal, methods, computer program and bitstream using a distortion control signaling
PL2489038T3 (pl) Urządzenie do dostarczania reprezentacji sygnału upmixu na bazie reprezentacji sygnału downmixu, urządzenie do dostarczania strumienia bitów reprezentującego wielokanałowy sygnał audio, sposoby, programy komputerowe i strumień bitów reprezentujący wielokanałowy sygnał audio z zastosowaniem parametru kombinacji liniowej
HK1173551A1 (zh) 用以基於下混信號表示型態針對上混信號表示型態的供應來提供個或多個經調整參數的裝置、音頻信號譯碼器、音頻信號轉碼器、音頻信號編碼器、音頻位串流、使用對象相關參數信息的方法與計算機程序
HK1163913A1 (zh) 用於把下混音頻信號向上混合的向上混合器、方法與計算機程序
HK1163912A1 (en) Apparatus, method and computer program for upmixing a downmix audio signal
HK1247431A1 (zh) 音頻編碼器、把一個音頻信號編碼的方法及計算機程序
PL3093843T3 (pl) Dekoder sygnału audio MPEG-SAOC, koder sygnału audio MPEG-SAOC, sposób dostarczania reprezentacji sygnału upmixu z wykorzystaniem dekodowania MPEG-SAOC, sposób dostarczania reprezentacji sygnału downmixu z wykorzystaniem dekodowania MPEG-SAOC oraz program komputerowy wykorzystujący wspólną wartość parametru korelacji międzyobiektowej zależną od czasu/częstotliwości
WO2010087614A3 (ko) 오디오 신호의 부호화 및 복호화 방법 및 그 장치
EP2543037B8 (en) A spatial audio processor and a method for providing spatial parameters based on an acoustic input signal
HK1176156A1 (en) Apparatus, method and computer program for deriving a multi-channel audio signal from an audio signal
PL2198632T3 (pl) Sposób i urządzenie do generowania dwuusznego sygnału audio
HK1166174A1 (en) Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing
HK1154432A1 (en) An apparatus and a method for encoding an audio signal
WO2012016128A3 (en) Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals
EP2830051A3 (en) Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
ZA201203484B (en) Apparatus,method and computer program for providing one or more adjusted parameters for provision of an upmix signal representation on the basis of a downmix signal representation and a parametric side information associated with the downmix signal representation, using an average value
WO2010143907A3 (ko) 다객체 오디오 신호를 부호화하는 방법 및 부호화 장치, 복호화 방법 및 복호화 장치, 그리고 트랜스코딩 방법 및 트랜스코더
EP2497276A4 (en) METHOD AND AUDIO SYSTEM FOR PROCESSING MULTI CHANNEL AUDIO SIGNALS TO GENERATE AMBIENT SOUND
EP2543199A4 (en) METHOD AND APPARATUS FOR MIXING LIFT OF TWO-CHANNEL AUDIO SIGNAL
PL2513897T3 (pl) System dźwiękowy, sposób generowania sygnału dźwiękowego i odpowiedni program komputerowy
EP2378768A4 (en) METHOD, DEVICE AND SYSTEM FOR MULTI-CHANNEL TONE SIGNAL PROCESSING
EP2468016B8 (en) Loudspeaker system for reproducing multi-channel sound with an improved sound image
EP2628322A4 (en) METHOD AND DEVICE FOR DOWNWARD MULTI-CHANNEL AUDIO SIGNALS
EP2352230B8 (en) Signal encoding method and signal encoding device for a speech or audio signal
GB2485510B (en) System and method for modifying an audio signal