CN104995676B - 音频处理系统中的信号去相关 - Google Patents

音频处理系统中的信号去相关 Download PDF

Info

Publication number
CN104995676B
CN104995676B CN201480008604.9A CN201480008604A CN104995676B CN 104995676 B CN104995676 B CN 104995676B CN 201480008604 A CN201480008604 A CN 201480008604A CN 104995676 B CN104995676 B CN 104995676B
Authority
CN
China
Prior art keywords
audio data
decorrelation
channel
audio
transient
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
CN201480008604.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN104995676A (zh
Inventor
V·麦尔考特
颜冠傑
G·A·戴维森
M·费勒斯
M·S·维顿
V·库玛
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.)
Dolby Laboratories Licensing Corp
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 CN104995676A publication Critical patent/CN104995676A/zh
Application granted granted Critical
Publication of CN104995676B publication Critical patent/CN104995676B/zh
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
    • G10L19/02—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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech 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
    • 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 
    • H04S5/00—Pseudo-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)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Telephonic Communication Services (AREA)
CN201480008604.9A 2013-02-14 2014-01-22 音频处理系统中的信号去相关 Active CN104995676B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361764837P 2013-02-14 2013-02-14
US61/764,837 2013-02-14
PCT/US2014/012453 WO2014126682A1 (en) 2013-02-14 2014-01-22 Signal decorrelation in an audio processing system

Publications (2)

Publication Number Publication Date
CN104995676A CN104995676A (zh) 2015-10-21
CN104995676B true CN104995676B (zh) 2018-03-30

Family

ID=50064800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480008604.9A Active CN104995676B (zh) 2013-02-14 2014-01-22 音频处理系统中的信号去相关

Country Status (11)

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

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
KR101729930B1 (ko) 2013-02-14 2017-04-25 돌비 레버러토리즈 라이쎈싱 코오포레이션 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법
CN106165065B (zh) * 2014-04-02 2019-08-30 科磊股份有限公司 用于产生掩模的高密度配准映射图的方法、系统及计算机程序产品
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
CN110024421B (zh) * 2016-11-23 2020-12-25 瑞典爱立信有限公司 用于自适应控制去相关滤波器的方法和装置
US10979844B2 (en) * 2017-03-08 2021-04-13 Dts, Inc. Distributed audio virtualization systems
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
US11195541B2 (en) * 2019-05-08 2021-12-07 Samsung Electronics Co., Ltd Transformer with gaussian weighted self-attention for speech enhancement
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
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
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
AU2021357840B2 (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 bandwidth extension
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
JP7787169B2 (ja) 2020-10-09 2025-12-16 フラウンホーファー－ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン パラメータ変換を用いて符号化されたオーディオシーンを処理するための装置、方法、またはコンピュータプログラム
EP4443911A4 (en) * 2021-12-03 2025-02-19 Beijing Xiaomi Mobile Software Co., Ltd. STEREO AUDIO SIGNAL PROCESSING METHOD, AND DEVICE/STORAGE MEDIUM/APPARATUS
GB2630112A (en) * 2023-05-17 2024-11-20 Sony Interactive Entertainment Europe Ltd A method for decorrelating a set of simulated audio signals
WO2025160833A1 (zh) * 2024-01-31 2025-08-07 北京小米移动软件有限公司 编解码方法、装置以及存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN101010723A (zh) * 2004-08-25 2007-08-01 杜比实验室特许公司 空间音频编码中的多声道去相关
CN101014998A (zh) * 2004-07-14 2007-08-08 皇家飞利浦电子股份有限公司 音频通道转换
CN101133441A (zh) * 2005-02-14 2008-02-27 弗劳恩霍夫应用研究促进协会 音源的参数联合编码
CN102089807A (zh) * 2008-07-11 2011-06-08 弗朗霍夫应用科学研究促进协会 音频编码和解码中相位信息的有效利用

Family Cites Families (63)

* 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
EP0976306A1 (en) 1998-02-13 2000-02-02 Koninklijke Philips Electronics N.V. Surround sound reproduction system, sound/visual reproduction system, surround signal processing unit and method for processing an input surround signal
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
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
CA2992065C (en) 2004-03-01 2018-11-20 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques
KR101135726B1 (ko) 2004-04-05 2012-04-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 인코더, 디코더, 인코딩 방법, 디코딩 방법 및 기록 매체
SE0400998D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
WO2006040727A2 (en) 2004-10-15 2006-04-20 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
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
AU2006255662B2 (en) 2005-06-03 2012-08-23 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
ATE523877T1 (de) 2005-07-14 2011-09-15 Koninkl Philips Electronics Nv Audiodecodierung
DE602006010712D1 (de) 2005-07-15 2010-01-07 Panasonic Corp Audiodekoder
RU2383942C2 (ru) 2005-08-30 2010-03-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для декодирования аудиосигнала
ATE453908T1 (de) 2005-08-30 2010-01-15 Lg Electronics Inc Vorrichtung und verfahren zur dekodierung eines audiosignals
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
KR100953644B1 (ko) 2006-01-19 2010-04-20 엘지전자 주식회사 미디어 신호 처리 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
ATE448638T1 (de) 2006-04-13 2009-11-15 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
CN101518103B (zh) 2006-09-14 2016-03-23 皇家飞利浦电子股份有限公司 多通道信号的甜点操纵
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
EP2137725B1 (en) 2007-04-26 2014-01-08 Dolby International AB Apparatus and method for synthesizing an output signal
CN101681625B (zh) 2007-06-08 2012-11-07 杜比实验室特许公司 用于从两个输入的音频信号获得两个环绕声音频通道的方法和设备
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
WO2009057327A1 (ja) 2007-10-31 2009-05-07 Panasonic Corporation 符号化装置および復号装置
US9373339B2 (en) 2008-05-12 2016-06-21 Broadcom Corporation Speech intelligibility enhancement system and method
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
EP2234103B1 (en) 2009-03-26 2011-09-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device and method for manipulating an audio signal
US8497467B2 (en) 2009-04-13 2013-07-30 Telcordia Technologies, Inc. Optical filter control
AU2010264736B2 (en) 2009-06-24 2014-03-27 Fraunhofer-Gesellschaft Zur Foerderung 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
EP2801975B1 (en) 2009-12-07 2017-01-04 Dolby Laboratories Licensing Corporation Decoding of multichannel audio encoded bit streams using adaptive hybrid transform
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
IL286761B (en) * 2010-04-09 2022-09-01 Dolby Int Ab An uplink mixer is active in predictive or non-predictive mode
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
CN104347079B (zh) 2010-08-24 2017-11-28 Lg电子株式会社 处理音频信号的方法和设备
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
EP3144932B1 (en) 2010-08-25 2018-11-07 Fraunhofer Gesellschaft zur Förderung der Angewand An apparatus for encoding an audio signal having a plurality of channels
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
KR101748756B1 (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
EP2740222B1 (en) 2011-08-04 2015-04-22 Dolby International AB Improved 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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101014998A (zh) * 2004-07-14 2007-08-08 皇家飞利浦电子股份有限公司 音频通道转换
CN101010723A (zh) * 2004-08-25 2007-08-01 杜比实验室特许公司 空间音频编码中的多声道去相关
CN101133441A (zh) * 2005-02-14 2008-02-27 弗劳恩霍夫应用研究促进协会 音源的参数联合编码
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
CN102089807A (zh) * 2008-07-11 2011-06-08 弗朗霍夫应用科学研究促进协会 音频编码和解码中相位信息的有效利用

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Digital Audio Compression (AC-3, E-AC-3);Advanced Television Systems Committee;《ATSC Standard》;20121217;1-270 *

Also Published As

Publication number Publication date
HK1213686A1 (en) 2016-07-08
JP6038355B2 (ja) 2016-12-07
KR102114648B1 (ko) 2020-05-26
KR20150106949A (ko) 2015-09-22
ES2613478T3 (es) 2017-05-24
JP2016510433A (ja) 2016-04-07
US20150380000A1 (en) 2015-12-31
BR112015018981A2 (pt) 2017-07-18
RU2015133287A (ru) 2017-02-21
US9830916B2 (en) 2017-11-28
TW201443877A (zh) 2014-11-16
IN2015MN01954A (enExample) 2015-08-28
TWI618050B (zh) 2018-03-11
EP2956933A1 (en) 2015-12-23
RU2614381C2 (ru) 2017-03-24
CN104995676A (zh) 2015-10-21
BR112015018981B1 (pt) 2022-02-01
EP2956933B1 (en) 2016-11-16
WO2014126682A1 (en) 2014-08-21

Similar Documents

Publication Publication Date Title
CN104981867B (zh) 用于控制上混音频信号的通道间相干性的方法
JP6038355B2 (ja) オーディオ処理システムにおける信号脱相関
CN105900168B (zh) 使用估计的空间参数的音频信号增强
US9830917B2 (en) Methods for audio signal transient detection and decorrelation control
HK1213686B (en) Signal decorrelation in an audio processing system
HK1218674B (en) Audio signal enhancement using estimated spatial parameters
US20150371646A1 (en) Time-Varying Filters for Generating Decorrelation Signals
HK1213687B (en) Controlling the inter-channel coherence of upmixed audio signals

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant