BRPI0802614A2 - métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto - Google Patents

métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto Download PDF

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Publication number
BRPI0802614A2
BRPI0802614A2 BRPI0802614-9A BRPI0802614A BRPI0802614A2 BR PI0802614 A2 BRPI0802614 A2 BR PI0802614A2 BR PI0802614 A BRPI0802614 A BR PI0802614A BR PI0802614 A2 BRPI0802614 A2 BR PI0802614A2
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Brazil
Prior art keywords
downmix
information
encoding
methods
audio signals
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BRPI0802614-9A
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English (en)
Inventor
Dong Soo Kim
Hee Suk Pang
Jae Hyun Lim
Sung Yong Yoon
Hyun Kook Lee
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Lg Electronics Inc
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Publication of BRPI0802614A2 publication Critical patent/BRPI0802614A2/pt

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    • 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
    • G10L19/0018—Speech coding using phonetic or linguistical decoding of the source; Reconstruction using text-to-speech synthesis
    • 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
    • G10L19/04—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

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

Abstract

MéTODOS E APARELHOS PARA CODIFICAçãO E DECODIFICAçAO DE SINAIS DE áUDIO BASEADOS EM OBJETO. São fornecidos um método e aparelho para decodificação de áudio e um método e aparelho para codificação de áudio que podem processar eficientemente sinais de áudio baseados em objeto. O método de decodificação de áudio inclui receber um sinal de mistura descendente, que é obtido por mistura descendente uma pluralidade de sinais de objeto, e informação secundária de objeto, extrair metadados a partir da informação secundária de objeto e exibir uma informação referente a sinais de objeto baseados nos metadados.
BRPI0802614-9A 2007-02-14 2008-02-14 métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto BRPI0802614A2 (pt)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US90108907P 2007-02-14 2007-02-14
US90164207P 2007-02-16 2007-02-16
US90381807P 2007-02-28 2007-02-28
US90768907P 2007-04-13 2007-04-13
US92402707P 2007-04-27 2007-04-27
US94762007P 2007-07-02 2007-07-02
US94837307P 2007-07-06 2007-07-06
PCT/KR2008/000883 WO2008100098A1 (en) 2007-02-14 2008-02-14 Methods and apparatuses for encoding and decoding object-based audio signals

Publications (1)

Publication Number Publication Date
BRPI0802614A2 true BRPI0802614A2 (pt) 2011-08-30

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BRPI0802613-0A BRPI0802613A2 (pt) 2007-02-14 2008-02-14 métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto
BRPI0802614-9A BRPI0802614A2 (pt) 2007-02-14 2008-02-14 métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto

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BRPI0802613-0A BRPI0802613A2 (pt) 2007-02-14 2008-02-14 métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto

Country Status (11)

Country Link
US (7) US8756066B2 (pt)
EP (3) EP2111616B1 (pt)
JP (4) JP5232795B2 (pt)
KR (3) KR101041825B1 (pt)
AT (1) ATE526659T1 (pt)
AU (3) AU2008215231B2 (pt)
BR (2) BRPI0802613A2 (pt)
CA (3) CA2645913C (pt)
MX (3) MX2008012986A (pt)
TW (3) TWI431610B (pt)
WO (3) WO2008100099A1 (pt)

Families Citing this family (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3267439A1 (en) * 2006-02-03 2018-01-10 Electronics and Telecommunications Research Institute Method and apparatus for control of rendering multiobject or multichannel audio signal using spatial cue
EP2595151A3 (en) * 2006-12-27 2013-11-13 Electronics and Telecommunications Research Institute Transcoding apparatus
US8639498B2 (en) 2007-03-30 2014-01-28 Electronics And Telecommunications Research Institute Apparatus and method for coding and decoding multi object audio signal with multi channel
US8321211B2 (en) * 2008-02-28 2012-11-27 University Of Kansas-Ku Medical Center Research Institute System and method for multi-channel pitch detection
KR101461685B1 (ko) * 2008-03-31 2014-11-19 한국전자통신연구원 다객체 오디오 신호의 부가정보 비트스트림 생성 방법 및 장치
US8670440B2 (en) 2008-05-13 2014-03-11 Electronics And Telecommunications Research Institute Data transceiving apparatus and method in centralized MAC-based wireless communication system
EP2146522A1 (en) * 2008-07-17 2010-01-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating audio output signals using object based metadata
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.
RU2468451C1 (ru) * 2008-10-29 2012-11-27 Долби Интернэшнл Аб Защита от ограничения сигнала с использованием заранее существующих метаданных коэффициента усиления аудиосигнала
KR101600352B1 (ko) * 2008-10-30 2016-03-07 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 장치 및 방법
US8139773B2 (en) * 2009-01-28 2012-03-20 Lg Electronics Inc. Method and an apparatus for decoding an audio signal
WO2010087631A2 (en) * 2009-01-28 2010-08-05 Lg Electronics Inc. A method and an apparatus for decoding an audio signal
CN102016982B (zh) * 2009-02-04 2014-08-27 松下电器产业株式会社 结合装置、远程通信系统以及结合方法
CN102292769B (zh) * 2009-02-13 2012-12-19 华为技术有限公司 一种立体声编码方法和装置
US8666752B2 (en) * 2009-03-18 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for encoding and decoding multi-channel signal
WO2010138309A1 (en) * 2009-05-26 2010-12-02 Dolby Laboratories Licensing Corporation Audio signal dynamic equalization processing control
WO2010138311A1 (en) * 2009-05-26 2010-12-02 Dolby Laboratories Licensing Corporation Equalization profiles for dynamic equalization of audio data
KR101387902B1 (ko) * 2009-06-10 2014-04-22 한국전자통신연구원 다객체 오디오 신호를 부호화하는 방법 및 부호화 장치, 복호화 방법 및 복호화 장치, 그리고 트랜스코딩 방법 및 트랜스코더
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
KR101842411B1 (ko) * 2009-08-14 2018-03-26 디티에스 엘엘씨 오디오 객체들을 적응적으로 스트리밍하기 위한 시스템
TWI484473B (zh) 2009-10-30 2015-05-11 Dolby Int Ab 用於從編碼位元串流擷取音訊訊號之節奏資訊、及估算音訊訊號之知覺顯著節奏的方法及系統
MX2012005781A (es) * 2009-11-20 2012-11-06 Fraunhofer Ges Forschung Aparato para proporcionar una representacion de señal de mezcla ascendente con base en la representacion de señal de mezcla descendente, aparato para proporcionar un flujo de bits que representa una señal de audio multicanal, metodos, programas informaticos y flujo de bits que representan una señal de audio multicanal usando un parametro de combinacion lineal.
WO2011083981A2 (en) * 2010-01-06 2011-07-14 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
US9112591B2 (en) * 2010-04-16 2015-08-18 Samsung Electronics Co., Ltd. Apparatus for encoding/decoding multichannel signal and method thereof
US8948403B2 (en) * 2010-08-06 2015-02-03 Samsung Electronics Co., Ltd. Method of processing signal, encoding apparatus thereof, decoding apparatus thereof, and signal processing system
CN103003877B (zh) * 2010-08-23 2014-12-31 松下电器产业株式会社 声音信号处理装置及声音信号处理方法
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
WO2012125855A1 (en) * 2011-03-16 2012-09-20 Dts, Inc. Encoding and reproduction of three dimensional audio soundtracks
US9171549B2 (en) 2011-04-08 2015-10-27 Dolby Laboratories Licensing Corporation Automatic configuration of metadata for use in mixing audio programs from two encoded bitstreams
TWI488174B (zh) * 2011-06-03 2015-06-11 Apple Inc 自動地建立文字資料與音訊資料間之映射
KR101783962B1 (ko) * 2011-06-09 2017-10-10 삼성전자주식회사 3차원 오디오 신호를 부호화 및 복호화하는 방법 및 장치
US9754595B2 (en) 2011-06-09 2017-09-05 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding 3-dimensional audio signal
EP2560161A1 (en) 2011-08-17 2013-02-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optimal mixing matrices and usage of decorrelators in spatial audio processing
US20130065213A1 (en) * 2011-09-13 2013-03-14 Harman International Industries, Incorporated System and method for adapting audio content for karaoke presentations
BR112014010062B1 (pt) * 2011-11-01 2021-12-14 Koninklijke Philips N.V. Codificador de objeto de áudio, decodificador de objeto de áudio, método para a codificação de objeto de áudio, e método para a decodificação de objeto de áudio
EP2795846A1 (en) * 2011-12-22 2014-10-29 Koninklijke Philips N.V. Wireless network configuration system and method
CN119495308A (zh) 2012-05-18 2025-02-21 杜比实验室特许公司 用于维持与参数音频编码器相关联的可逆动态范围控制信息的系统
US10844689B1 (en) 2019-12-19 2020-11-24 Saudi Arabian Oil Company Downhole ultrasonic actuator system for mitigating lost circulation
EP2862370B1 (en) 2012-06-19 2017-08-30 Dolby Laboratories Licensing Corporation Rendering and playback of spatial audio using channel-based audio systems
TWI453441B (zh) * 2012-06-29 2014-09-21 Zeroplus Technology Co Ltd Signal decoding method
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
US9516446B2 (en) 2012-07-20 2016-12-06 Qualcomm Incorporated Scalable downmix design for object-based surround codec with cluster analysis by synthesis
US9761229B2 (en) 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
EP2863657B1 (en) * 2012-07-31 2019-09-18 Intellectual Discovery Co., Ltd. Method and device for processing audio signal
US9489954B2 (en) 2012-08-07 2016-11-08 Dolby Laboratories Licensing Corporation Encoding and rendering of object based audio indicative of game audio content
BR112015002794B1 (pt) * 2012-08-10 2021-07-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V Aparelho e método para adaptar informações de áudio na codificação de objeto de áudio espacial
BR122021021487B1 (pt) * 2012-09-12 2022-11-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V Aparelho e método para fornecer capacidades melhoradas de downmix guiado para áudio 3d
WO2014046916A1 (en) * 2012-09-21 2014-03-27 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
KR20140046980A (ko) * 2012-10-11 2014-04-21 한국전자통신연구원 오디오 데이터 생성 장치 및 방법, 오디오 데이터 재생 장치 및 방법
KR20140047509A (ko) 2012-10-12 2014-04-22 한국전자통신연구원 객체 오디오 신호의 잔향 신호를 이용한 오디오 부/복호화 장치
AU2013355504C1 (en) 2012-12-04 2016-12-15 Samsung Electronics Co., Ltd. Audio providing apparatus and audio providing method
EP2757558A1 (en) * 2013-01-18 2014-07-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Time domain level adjustment for audio signal decoding or encoding
TWI530941B (zh) * 2013-04-03 2016-04-21 杜比實驗室特許公司 用於基於物件音頻之互動成像的方法與系統
CN110085239B (zh) 2013-05-24 2023-08-04 杜比国际公司 对音频场景进行解码的方法、解码器及计算机可读介质
WO2014187987A1 (en) 2013-05-24 2014-11-27 Dolby International Ab Methods for audio encoding and decoding, corresponding computer-readable media and corresponding audio encoder and decoder
EP3270375B1 (en) 2013-05-24 2020-01-15 Dolby International AB Reconstruction of audio scenes from a downmix
US9674632B2 (en) * 2013-05-29 2017-06-06 Qualcomm Incorporated Filtering with binaural room impulse responses
WO2014204911A1 (en) * 2013-06-18 2014-12-24 Dolby Laboratories Licensing Corporation Bass management for audio rendering
TWM487509U (zh) * 2013-06-19 2014-10-01 杜比實驗室特許公司 音訊處理設備及電子裝置
US9883311B2 (en) 2013-06-28 2018-01-30 Dolby Laboratories Licensing Corporation Rendering of audio objects using discontinuous rendering-matrix updates
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
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
EP2830048A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for realizing a SAOC downmix of 3D audio content
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
EP2830335A3 (en) 2013-07-22 2015-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method, and computer program for mapping first and second input channels to at least one output channel
KR102243395B1 (ko) * 2013-09-05 2021-04-22 한국전자통신연구원 오디오 부호화 장치 및 방법, 오디오 복호화 장치 및 방법, 오디오 재생 장치
CN109903776B (zh) 2013-09-12 2024-03-01 杜比实验室特许公司 用于各种回放环境的动态范围控制
JP6506764B2 (ja) 2013-09-12 2019-04-24 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 ダウンミックスされたオーディオ・コンテンツについてのラウドネス調整
CN105637582B (zh) * 2013-10-17 2019-12-31 株式会社索思未来 音频编码装置及音频解码装置
ES2732304T3 (es) 2013-10-22 2019-11-21 Fraunhofer Ges Forschung Concepto para la compresión combinada del intervalo dinámico y prevención guiada de recortes para dispositivos de audio
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
CN117376809A (zh) 2013-10-31 2024-01-09 杜比实验室特许公司 使用元数据处理的耳机的双耳呈现
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
EP3092642B1 (en) 2014-01-09 2018-05-16 Dolby Laboratories Licensing Corporation Spatial error metrics of audio content
KR101567665B1 (ko) * 2014-01-23 2015-11-10 재단법인 다차원 스마트 아이티 융합시스템 연구단 퍼스널 오디오 스튜디오 시스템
US9779739B2 (en) 2014-03-20 2017-10-03 Dts, Inc. Residual encoding in an object-based audio system
RU2019122989A (ru) * 2014-05-30 2019-09-16 Сони Корпорейшн Устройство обработки информации и способ обработки информации
US10754925B2 (en) 2014-06-04 2020-08-25 Nuance Communications, Inc. NLU training with user corrections to engine annotations
US10373711B2 (en) 2014-06-04 2019-08-06 Nuance Communications, Inc. Medical coding system with CDI clarification request notification
CN106465028B (zh) * 2014-06-06 2019-02-15 索尼公司 音频信号处理装置和方法、编码装置和方法以及程序
KR102144332B1 (ko) 2014-07-01 2020-08-13 한국전자통신연구원 다채널 오디오 신호 처리 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
RU2696952C2 (ru) * 2014-10-01 2019-08-07 Долби Интернешнл Аб Аудиокодировщик и декодер
JP6412259B2 (ja) 2014-10-03 2018-10-24 ドルビー・インターナショナル・アーベー パーソナル化されたオーディオへのスマート・アクセス
JP2018513996A (ja) * 2015-04-10 2018-05-31 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ 複数のオーディオ信号を符号化する方法およびデバイス、ならびに、分離を改善した、複数のオーディオ信号の混合物を復号する方法およびデバイス
US10136240B2 (en) 2015-04-20 2018-11-20 Dolby Laboratories Licensing Corporation Processing audio data to compensate for partial hearing loss or an adverse hearing environment
CN106303897A (zh) 2015-06-01 2017-01-04 杜比实验室特许公司 处理基于对象的音频信号
KR20250044467A (ko) 2015-08-25 2025-03-31 돌비 레버러토리즈 라이쎈싱 코오포레이션 프레젠테이션 변환 파라미터들을 사용하는 오디오 인코딩 및 디코딩
US10366687B2 (en) * 2015-12-10 2019-07-30 Nuance Communications, Inc. System and methods for adapting neural network acoustic models
CN107346493B (zh) * 2016-05-04 2021-03-23 阿里巴巴集团控股有限公司 对象分配方法和装置
US10863297B2 (en) 2016-06-01 2020-12-08 Dolby International Ab Method converting multichannel audio content into object-based audio content and a method for processing audio content having a spatial position
WO2018057639A1 (en) 2016-09-20 2018-03-29 Nuance Communications, Inc. Method and system for sequencing medical billing codes
US9896031B1 (en) 2017-01-03 2018-02-20 Ford Global Technologies, Llc Spatial auditory alerts for a vehicle
US11133091B2 (en) 2017-07-21 2021-09-28 Nuance Communications, Inc. Automated analysis system and method
US11024424B2 (en) 2017-10-27 2021-06-01 Nuance Communications, Inc. Computer assisted coding systems and methods
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
GB2578625A (en) * 2018-11-01 2020-05-20 Nokia Technologies Oy Apparatus, methods and computer programs for encoding spatial metadata
RU2768224C1 (ru) 2018-12-13 2022-03-23 Долби Лабораторис Лайсэнзин Корпорейшн Двусторонняя медийная аналитика
JP7092047B2 (ja) * 2019-01-17 2022-06-28 日本電信電話株式会社 符号化復号方法、復号方法、これらの装置及びプログラム
EP3761672B1 (en) 2019-07-02 2023-04-05 Dolby International AB Using metadata to aggregate signal processing operations
JP7286876B2 (ja) 2019-09-23 2023-06-05 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 変換パラメータによるオーディオ符号化／復号化
US11582572B2 (en) * 2020-01-30 2023-02-14 Bose Corporation Surround sound location virtualization
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
WO2022076404A1 (en) * 2020-10-05 2022-04-14 The Trustees Of Columbia University In The City Of New York Systems and methods for brain-informed speech separation
MX2023004248A (es) * 2020-10-13 2023-06-08 Fraunhofer Ges Forschung Aparato y metodo para codificar una pluralidad de objetos de audio usando informacion de direccion durante una mezcla descendente o aparato y metodo para decodificacion usando una sintesis de covarianza optimizada.
CA3195301A1 (en) * 2020-10-13 2022-04-21 Andrea EICHENSEER Apparatus and method for encoding a plurality of audio objects and apparatus and method for decoding using two or more relevant audio objects
CN112309419B (zh) * 2020-10-30 2023-05-02 浙江蓝鸽科技有限公司 多路音频的降噪、输出方法及其系统
CN115497485B (zh) * 2021-06-18 2024-10-18 华为技术有限公司 三维音频信号编码方法、装置、编码器和系统
CN115552518B (zh) * 2021-11-02 2024-06-25 北京小米移动软件有限公司 一种信号编解码方法、装置、用户设备、网络侧设备及存储介质

Family Cites Families (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882280A (en) 1973-12-19 1975-05-06 Magnavox Co Method and apparatus for combining digitized information
US6289308B1 (en) 1990-06-01 2001-09-11 U.S. Philips Corporation Encoded wideband digital transmission signal and record carrier recorded with such a signal
EP0562211A1 (en) 1992-03-25 1993-09-29 International Business Machines Corporation Self-aligning fiber couplers
TW272341B (pt) 1993-07-16 1996-03-11 Sony Co Ltd
JP3747492B2 (ja) * 1995-06-20 2006-02-22 ソニー株式会社 音声信号の再生方法及び再生装置
US6505160B1 (en) 1995-07-27 2003-01-07 Digimarc Corporation Connected audio and other media objects
IT1281001B1 (it) 1995-10-27 1998-02-11 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.
US5956674A (en) 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
TW429700B (en) 1997-02-26 2001-04-11 Sony Corp Information encoding method and apparatus, information decoding method and apparatus and information recording medium
US6741796B1 (en) 1997-03-25 2004-05-25 Samsung Electronics, Co., Ltd. DVD-Audio disk, and apparatus and method for playing the same
US6449227B1 (en) 1997-03-25 2002-09-10 Samsung Electronics Co., Ltd. DVD-audio disk, and apparatus and method for playing the same
US7110662B1 (en) * 1997-03-25 2006-09-19 Samsung Electronics Co., Ltd. Apparatus and method for recording data on a DVD-audio disk
KR100261254B1 (ko) 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 장치
JP4132154B2 (ja) 1997-10-23 2008-08-13 ソニー株式会社 音声合成方法及び装置、並びに帯域幅拡張方法及び装置
KR100335609B1 (ko) 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치
US20050120870A1 (en) 1998-05-15 2005-06-09 Ludwig Lester F. Envelope-controlled dynamic layering of audio signal processing and synthesis for music applications
AU2002218520A1 (en) 2000-11-30 2002-06-11 Matsushita Electric Industrial Co., Ltd. Audio decoder and audio decoding method
TW501376B (en) 2001-02-09 2002-09-01 Elan Microelectronics Corp Decoding device and method of digital audio
US6849794B1 (en) 2001-05-14 2005-02-01 Ronnie C. Lau Multiple channel system
US6658383B2 (en) 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
CA2430923C (en) 2001-11-14 2012-01-03 Matsushita Electric Industrial Co., Ltd. Encoding device, decoding device, and system thereof
US7149412B2 (en) 2002-03-01 2006-12-12 Thomson Licensing Trick mode audio playback
ES2403178T3 (es) 2002-04-10 2013-05-16 Koninklijke Philips Electronics N.V. Codificación de señales estéreo
EP1881486B1 (en) 2002-04-22 2009-03-18 Koninklijke Philips Electronics N.V. Decoding apparatus with decorrelator unit
BR0305555A (pt) 2002-07-16 2004-09-28 Koninkl Philips Electronics Nv Método e codificador para codificar um sinal de áudio, aparelho para fornecimento de um sinal de áudio, sinal de áudio codificado, meio de armazenamento, e, método e decodificador para decodificar um sinal de áudio codificado
JP3579047B2 (ja) 2002-07-19 2004-10-20 日本電気株式会社 オーディオ復号装置と復号方法およびプログラム
JP2004064363A (ja) 2002-07-29 2004-02-26 Sony Corp デジタルオーディオ処理方法、デジタルオーディオ処理装置およびデジタルオーディオ記録媒体
KR100723753B1 (ko) 2002-08-01 2007-05-30 마츠시타 덴끼 산교 가부시키가이샤 스펙트럼 대역 복사에 의한 오디오 디코딩 장치 및 오디오디코딩 방법
EP1543307B1 (en) 2002-09-19 2006-02-22 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and method
PT1568251E (pt) 2002-12-02 2007-04-30 Thomson Licensing Método para descrever a composição de sinais áudio
PL378021A1 (pl) 2002-12-28 2006-02-20 Samsung Electronics Co., Ltd. Sposób i urządzenie do mieszania strumieni akustycznych i nośnik pamięciowy informacji
CN1748443B (zh) 2003-03-04 2010-09-22 诺基亚有限公司 多声道音频扩展支持
JP2004361731A (ja) 2003-06-05 2004-12-24 Nec Corp オーディオ復号装置及びオーディオ復号方法
US8140164B2 (en) * 2003-10-15 2012-03-20 Rmx, Llc Therapeutic diaphragm stimulation device and method
US7617109B2 (en) 2004-07-01 2009-11-10 Dolby Laboratories Licensing Corporation Method for correcting metadata affecting the playback loudness and dynamic range of audio information
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
KR100658222B1 (ko) 2004-08-09 2006-12-15 한국전자통신연구원 3차원 디지털 멀티미디어 방송 시스템
SE0402652D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
TWI237806B (en) 2004-11-03 2005-08-11 Sunplus Technology Co Ltd Audio decoding system with ring buffer and method thereof
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
DE102005008366A1 (de) 2005-02-23 2006-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Ansteuern einer Wellenfeldsynthese-Renderer-Einrichtung mit Audioobjekten
TWI279712B (en) 2005-04-13 2007-04-21 Realtek Semiconductor Corp Voice message encoding/decoding apparatus and its method
EP1946294A2 (en) * 2005-06-30 2008-07-23 LG Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
KR20070011100A (ko) 2005-07-18 2007-01-24 엘지전자 주식회사 다채널 오디오 코딩에서 오디오 신호의 에너지 보정방법 및그 보정을 위한 부호화된 오디오 신호 생성방법
US8359341B2 (en) 2005-12-10 2013-01-22 International Business Machines Corporation Importing content into a content management system using an e-mail application
EP3267439A1 (en) 2006-02-03 2018-01-10 Electronics and Telecommunications Research Institute Method and apparatus for control of rendering multiobject or multichannel audio signal using spatial cue
BRPI0708047A2 (pt) 2006-02-09 2011-05-17 Lg Eletronics Inc método para codificar e decodificar sinal de áudio com base em objeto e equipamento para o mesmo
ATE527833T1 (de) 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
DE102006029752A1 (de) 2006-06-28 2008-01-10 Basf Construction Polymers Gmbh Verwendung von Methacrylat-Derivaten zur Verdickung salzhaltiger Medien
JP5134623B2 (ja) 2006-07-07 2013-01-30 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 複数のパラメータ的に符号化された音源を合成するための概念
MY151722A (en) 2006-07-07 2014-06-30 Fraunhofer Ges Forschung Concept for combining multiple parametrically coded audio sources
CN102768836B (zh) 2006-09-29 2014-11-05 韩国电子通信研究院 用于编码和解码具有各种声道的多对象音频信号的设备和方法
EP2437257B1 (en) 2006-10-16 2018-01-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Saoc to mpeg surround transcoding
UA94117C2 (ru) 2006-10-16 2011-04-11 Долби Свиден Ав Усовершенстованное кодирование и отображение параметров многоканального кодирования микшированных объектов
KR101100221B1 (ko) 2006-11-15 2011-12-28 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 그 장치
AU2008243406B2 (en) 2007-04-26 2011-08-25 Dolby International Ab Apparatus and method for synthesizing an output signal
US8295494B2 (en) * 2007-08-13 2012-10-23 Lg Electronics Inc. Enhancing audio with remixing capability
KR101290394B1 (ko) * 2007-10-17 2013-07-26 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다운믹스를 이용한 오디오 코딩

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