HK1213686A1 - 音頻處理系統中的信號去相關 - Google Patents

音頻處理系統中的信號去相關

Info

Publication number
HK1213686A1
HK1213686A1 HK16101417.5A HK16101417A HK1213686A1 HK 1213686 A1 HK1213686 A1 HK 1213686A1 HK 16101417 A HK16101417 A HK 16101417A HK 1213686 A1 HK1213686 A1 HK 1213686A1
Authority
HK
Hong Kong
Prior art keywords
processing system
audio processing
signal decorrelation
decorrelation
signal
Prior art date
Application number
HK16101417.5A
Other languages
English (en)
Inventor
Vinay Melkote
Kuan-Chieh Yen
Grant A Davidson
Matthew Fellers
Mark S Vinton
Vivek Kumar
Original Assignee
Dolby Laboratories Licensing Corp
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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of HK1213686A1 publication Critical patent/HK1213686A1/zh

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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/02Speech 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
    • 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
    • G10L19/04Speech 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
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S5/00Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Telephonic Communication Services (AREA)
HK16101417.5A 2013-02-14 2016-02-05 音頻處理系統中的信號去相關 HK1213686A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361764837P 2013-02-14 2013-02-14
PCT/US2014/012453 WO2014126682A1 (en) 2013-02-14 2014-01-22 Signal decorrelation in an audio processing system

Publications (1)

Publication Number Publication Date
HK1213686A1 true HK1213686A1 (zh) 2016-07-08

Family

ID=50064800

Family Applications (1)

Application Number Title Priority Date Filing Date
HK16101417.5A HK1213686A1 (zh) 2013-02-14 2016-02-05 音頻處理系統中的信號去相關

Country Status (12)

Country Link
US (1) US9830916B2 (zh)
EP (1) EP2956933B1 (zh)
JP (1) JP6038355B2 (zh)
KR (1) KR102114648B1 (zh)
CN (1) CN104995676B (zh)
BR (1) BR112015018981B1 (zh)
ES (1) ES2613478T3 (zh)
HK (1) HK1213686A1 (zh)
IN (1) IN2015MN01954A (zh)
RU (1) RU2614381C2 (zh)
TW (1) TWI618050B (zh)
WO (1) WO2014126682A1 (zh)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
US9754596B2 (en) 2013-02-14 2017-09-05 Dolby Laboratories Licensing Corporation Methods for controlling the inter-channel coherence of upmixed audio signals
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
JP6570010B2 (ja) * 2014-04-02 2019-09-04 ケーエルエー コーポレイション マスクのための高密度位置合わせマップを生成するための方法、システム、およびコンピュータプログラム製品
EP3067887A1 (en) * 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
EP3179744B1 (en) * 2015-12-08 2018-01-31 Axis AB Method, device and system for controlling a sound image in an audio zone
CN105702263B (zh) * 2016-01-06 2019-08-30 清华大学 语音重放检测方法和装置
CN105931648B (zh) * 2016-06-24 2019-05-03 百度在线网络技术(北京)有限公司 音频信号解混响方法和装置
CN107895580B (zh) * 2016-09-30 2021-06-01 华为技术有限公司 一种音频信号的重建方法和装置
JP6843992B2 (ja) * 2016-11-23 2021-03-17 テレフオンアクチーボラゲット エルエム エリクソン(パブル) 相関分離フィルタの適応制御のための方法および装置
US10019981B1 (en) 2017-06-02 2018-07-10 Apple Inc. Active reverberation augmentation
EP3573058B1 (en) * 2018-05-23 2021-02-24 Harman Becker Automotive Systems GmbH Dry sound and ambient sound separation
CN111107024B (zh) * 2018-10-25 2022-01-28 航天科工惯性技术有限公司 时间与频率混合编码的防错解码方法
CN109557509B (zh) * 2018-11-23 2020-08-11 安徽四创电子股份有限公司 一种用于改善脉间干扰的双脉冲信号合成器
CN109672946B (zh) * 2019-02-15 2023-12-15 深圳市昊一源科技有限公司 一种无线通话系统、转发设备、终端设备及转发方法
CN110267064B (zh) * 2019-06-12 2021-11-12 百度在线网络技术(北京)有限公司 音频播放状态处理方法、装置、设备及存储介质
CN110740404B (zh) * 2019-09-27 2020-12-25 广州励丰文化科技股份有限公司 一种音频相关性的处理方法及音频处理装置
CN110740416B (zh) * 2019-09-27 2021-04-06 广州励丰文化科技股份有限公司 一种音频信号处理方法及装置
CN114365509B (zh) * 2021-12-03 2024-03-01 北京小米移动软件有限公司 一种立体声音频信号处理方法及设备/存储介质/装置

Family Cites Families (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8308843D0 (en) 1983-03-30 1983-05-11 Clark A P Apparatus for adjusting receivers of data transmission channels
US5077798A (en) 1988-09-28 1991-12-31 Hitachi, Ltd. Method and system for voice coding based on vector quantization
KR20010006291A (ko) 1998-02-13 2001-01-26 요트.게.아. 롤페즈 서라운드 음향 재생 시스템, 음향/시각 재생 시스템, 서라운드 신호 처리 유닛 및 입력 서라운드 신호 처리 방법
US6175631B1 (en) 1999-07-09 2001-01-16 Stephen A. Davis Method and apparatus for decorrelating audio signals
US7218665B2 (en) 2003-04-25 2007-05-15 Bae Systems Information And Electronic Systems Integration Inc. Deferred decorrelating decision-feedback detector for supersaturated communications
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
ATE430360T1 (de) 2004-03-01 2009-05-15 Dolby Lab Licensing Corp Mehrkanalige audiodekodierung
WO2007109338A1 (en) 2006-03-21 2007-09-27 Dolby Laboratories Licensing Corporation Low bit rate audio encoding and decoding
US20090299756A1 (en) 2004-03-01 2009-12-03 Dolby Laboratories Licensing Corporation Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
RU2392671C2 (ru) * 2004-04-05 2010-06-20 Конинклейке Филипс Электроникс Н.В. Способы и устройства для кодирования и декодирования стереосигнала
SE0400998D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
KR101205480B1 (ko) * 2004-07-14 2012-11-28 돌비 인터네셔널 에이비 오디오 채널 변환
TWI393121B (zh) * 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
EP1803115A2 (en) 2004-10-15 2007-07-04 Koninklijke Philips Electronics N.V. A system and a method of processing audio data to generate reverberation
SE0402649D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
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
MX2007015118A (es) 2005-06-03 2008-02-14 Dolby Lab Licensing Corp Aparato y metodo para codificacion de senales de audio con instrucciones de decodificacion.
ES2374309T3 (es) 2005-07-14 2012-02-15 Koninklijke Philips Electronics N.V. Decodificación de audio.
DE602006010712D1 (de) 2005-07-15 2010-01-07 Panasonic Corp Audiodekoder
AU2006285538B2 (en) 2005-08-30 2011-03-24 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
RU2383942C2 (ru) 2005-08-30 2010-03-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для декодирования аудиосигнала
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
US7536299B2 (en) 2005-12-19 2009-05-19 Dolby Laboratories Licensing Corporation Correlating and decorrelating transforms for multiple description coding systems
JP2007178684A (ja) * 2005-12-27 2007-07-12 Matsushita Electric Ind Co Ltd マルチチャンネルオーディオ復号装置
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
CA2646961C (en) 2006-03-28 2013-09-03 Sascha Disch Enhanced method for signal shaping in multi-channel audio reconstruction
DE602006010323D1 (de) 2006-04-13 2009-12-24 Fraunhofer Ges Forschung Audiosignaldekorrelator
US8379868B2 (en) 2006-05-17 2013-02-19 Creative Technology Ltd Spatial audio coding based on universal spatial cues
EP1883067A1 (en) 2006-07-24 2008-01-30 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
EP2070392A2 (en) 2006-09-14 2009-06-17 Koninklijke Philips Electronics N.V. Sweet spot manipulation for a multi-channel signal
RU2394283C1 (ru) 2007-02-14 2010-07-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способы и устройства для кодирования и декодирования объектно-базированных аудиосигналов
DE102007018032B4 (de) 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
US8015368B2 (en) 2007-04-20 2011-09-06 Siport, Inc. Processor extensions for accelerating spectral band replication
PL2137725T3 (pl) 2007-04-26 2014-06-30 Dolby Int Ab Urządzenie i sposób do syntetyzowania sygnału wyjściowego
ES2358786T3 (es) * 2007-06-08 2011-05-13 Dolby Laboratories Licensing Corporation Derivación híbrida de canales de audio de sonido envolvente combinando de manera controlable componentes de señal de sonido ambiente y con decodificación matricial.
US8046214B2 (en) 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US8064624B2 (en) 2007-07-19 2011-11-22 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for generating a stereo signal with enhanced perceptual quality
US20100040243A1 (en) 2008-08-14 2010-02-18 Johnston James D Sound Field Widening and Phase Decorrelation System and Method
US8374883B2 (en) 2007-10-31 2013-02-12 Panasonic Corporation Encoder and decoder using inter channel prediction based on optimally determined signals
US9373339B2 (en) 2008-05-12 2016-06-21 Broadcom Corporation Speech intelligibility enhancement system and method
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
JP5326465B2 (ja) 2008-09-26 2013-10-30 富士通株式会社 オーディオ復号方法、装置、及びプログラム
TWI413109B (zh) 2008-10-01 2013-10-21 Dolby Lab Licensing Corp 用於上混系統之解相關器
EP2214162A1 (en) 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Upmixer, method and computer program for upmixing a downmix audio signal
EP2214165A3 (en) 2009-01-30 2010-09-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for manipulating an audio signal comprising a transient event
PL2234103T3 (pl) 2009-03-26 2012-02-29 Fraunhofer Ges Forschung Urządzenie i sposób manipulacji sygnałem audio
US8497467B2 (en) 2009-04-13 2013-07-30 Telcordia Technologies, Inc. Optical filter control
EP2535892B1 (en) 2009-06-24 2014-08-27 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
GB2465047B (en) 2009-09-03 2010-09-22 Peter Graham Craven Prediction of signals
EA024310B1 (ru) 2009-12-07 2016-09-30 Долби Лабораторис Лайсэнзин Корпорейшн Способ декодирования цифровых потоков кодированного многоканального аудиосигнала с использованием адаптивного гибридного преобразования
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
TWI444989B (zh) 2010-01-22 2014-07-11 Dolby Lab Licensing Corp 針對改良多通道上混使用多通道解相關之技術
JP5299327B2 (ja) 2010-03-17 2013-09-25 ソニー株式会社 音声処理装置、音声処理方法、およびプログラム
ES2935911T3 (es) 2010-04-09 2023-03-13 Dolby Int Ab Descodificación estéreo de predicción compleja basada en MDCT
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
TWI516138B (zh) 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品
WO2012026741A2 (ko) 2010-08-24 2012-03-01 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
AU2011295367B2 (en) 2010-08-25 2014-07-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus for decoding a signal comprising transients using a combining unit and a mixer
US8908874B2 (en) * 2010-09-08 2014-12-09 Dts, Inc. Spatial audio encoding and reproduction
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
KR101748760B1 (ko) 2011-03-18 2017-06-19 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. 오디오 콘텐츠를 표현하는 비트스트림의 프레임들 내의 프레임 요소 배치
CN102903368B (zh) * 2011-07-29 2017-04-12 杜比实验室特许公司 用于卷积盲源分离的方法和设备
US9299355B2 (en) 2011-08-04 2016-03-29 Dolby International Ab FM stereo radio receiver by using parametric stereo
US8527264B2 (en) 2012-01-09 2013-09-03 Dolby Laboratories Licensing Corporation Method and system for encoding audio data with adaptive low frequency compensation
EP2704142B1 (en) 2012-08-27 2015-09-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for reproducing an audio signal, apparatus and method for generating a coded audio signal, computer program and coded audio signal
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備

Also Published As

Publication number Publication date
EP2956933B1 (en) 2016-11-16
TW201443877A (zh) 2014-11-16
TWI618050B (zh) 2018-03-11
US9830916B2 (en) 2017-11-28
BR112015018981A2 (pt) 2017-07-18
RU2614381C2 (ru) 2017-03-24
KR102114648B1 (ko) 2020-05-26
JP2016510433A (ja) 2016-04-07
WO2014126682A1 (en) 2014-08-21
IN2015MN01954A (zh) 2015-08-28
BR112015018981B1 (pt) 2022-02-01
CN104995676A (zh) 2015-10-21
US20150380000A1 (en) 2015-12-31
RU2015133287A (ru) 2017-02-21
ES2613478T3 (es) 2017-05-24
CN104995676B (zh) 2018-03-30
EP2956933A1 (en) 2015-12-23
KR20150106949A (ko) 2015-09-22
JP6038355B2 (ja) 2016-12-07

Similar Documents

Publication Publication Date Title
HK1213686A1 (zh) 音頻處理系統中的信號去相關
HK1214026A1 (zh) 音頻處理系統
HK1226192A1 (zh) 用於數字信號處理的系統和方法
HK1222755A1 (zh) 空間音頻處理系統和方法
HK1213411A1 (zh) 在音頻系統中減小音頻失真
GB2516056B (en) Audio processing apparatus
GB201304795D0 (en) Signal processing systems
EP2882202A4 (en) SIGNAL PROCESSING SYSTEM AND SIGNAL PROCESSING METHOD
EP2951969A4 (en) POLAR RECEIVER ARCHITECTURE AND SIGNAL PROCESSING METHODS
GB2515819B (en) Signal envelope processing
EP2827330A4 (en) DEVICE AND METHOD FOR PROCESSING AUDIO SIGNALS
GB2520048B (en) Speech processing system
GB201307332D0 (en) Processing system
EP2960821A4 (en) INFORMATION PROCESSING SYSTEM
GB201321928D0 (en) Spatial audio processing apparatus
EP2991383A4 (en) SOUND PROCESSING DEVICE AND SOUND PROCESSING SYSTEM
GB201311571D0 (en) Signal processing
GB201313389D0 (en) Signal processing
GB201310597D0 (en) Audio Processing
ZA201601110B (en) Audio processor for orientation-dependent processing
HK1212777A1 (zh) 信號處理裝置
HK1212039A1 (zh) 信號處理裝置
EP2824834A4 (en) ACOUSTIC SIGNAL PROCESSING SYSTEM
GB2519142B (en) Signal processing system and method
SG11201600542VA (en) Audio signal processing device, audio signal processing method, and audio signal processingprogram