ES2499640T3 - Matrices óptimas de mezcla y uso de descorreladores en el procesamiento de audio espacial - Google Patents

Matrices óptimas de mezcla y uso de descorreladores en el procesamiento de audio espacial Download PDF

Info

Publication number
ES2499640T3
ES2499640T3 ES12745880.0T ES12745880T ES2499640T3 ES 2499640 T3 ES2499640 T3 ES 2499640T3 ES 12745880 T ES12745880 T ES 12745880T ES 2499640 T3 ES2499640 T3 ES 2499640T3
Authority
ES
Spain
Prior art keywords
matrix
covariance
mixing
signal
properties
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
ES12745880.0T
Other languages
English (en)
Spanish (es)
Inventor
Juha Vilkamo
Tom BÄCKSTRÖM
Fabian KÜCH
Achim Kuntz
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
Application granted granted Critical
Publication of ES2499640T3 publication Critical patent/ES2499640T3/es
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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/18—Selecting circuits
    • G10H1/183—Channel-assigning means for polyphonic instruments
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Amplifiers (AREA)
ES12745880.0T 2011-08-17 2012-08-14 Matrices óptimas de mezcla y uso de descorreladores en el procesamiento de audio espacial Active ES2499640T3 (es)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201161524647P 2011-08-17 2011-08-17
US201161524647P 2011-08-17
EP12156351 2012-02-21
EP12156351A EP2560161A1 (en) 2011-08-17 2012-02-21 Optimal mixing matrices and usage of decorrelators in spatial audio processing
PCT/EP2012/065861 WO2013024085A1 (en) 2011-08-17 2012-08-14 Optimal mixing matrices and usage of decorrelators in spatial audio processing

Publications (1)

Publication Number Publication Date
ES2499640T3 true ES2499640T3 (es) 2014-09-29

Family

ID=45656296

Family Applications (1)

Application Number Title Priority Date Filing Date
ES12745880.0T Active ES2499640T3 (es) 2011-08-17 2012-08-14 Matrices óptimas de mezcla y uso de descorreladores en el procesamiento de audio espacial

Country Status (15)

Country Link
US (3) US10339908B2 (enExample)
EP (2) EP2560161A1 (enExample)
JP (1) JP5846460B2 (enExample)
KR (1) KR101633441B1 (enExample)
CN (1) CN103765507B (enExample)
AR (1) AR087564A1 (enExample)
AU (1) AU2012296895B2 (enExample)
BR (1) BR112014003663B1 (enExample)
CA (1) CA2843820C (enExample)
ES (1) ES2499640T3 (enExample)
MX (1) MX2014001731A (enExample)
PL (1) PL2617031T3 (enExample)
RU (1) RU2631023C2 (enExample)
TW (1) TWI489447B (enExample)
WO (1) WO2013024085A1 (enExample)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2805326B1 (en) * 2012-01-19 2015-10-14 Koninklijke Philips N.V. Spatial audio rendering and encoding
EP2815399B1 (en) * 2012-02-14 2016-02-10 Huawei Technologies Co., Ltd. A method and apparatus for performing an adaptive down- and up-mixing of a multi-channel audio signal
EP2688066A1 (en) 2012-07-16 2014-01-22 Thomson Licensing Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
US9769586B2 (en) * 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
KR102161169B1 (ko) * 2013-07-05 2020-09-29 한국전자통신연구원 오디오 신호 처리 방법 및 장치
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
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
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
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
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
US9502045B2 (en) 2014-01-30 2016-11-22 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
CN110992964B (zh) * 2014-07-01 2023-10-13 韩国电子通信研究院 处理多信道音频信号的方法和装置
US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
US9852744B2 (en) * 2014-12-16 2017-12-26 Psyx Research, Inc. System and method for dynamic recovery of audio data
US9712936B2 (en) 2015-02-03 2017-07-18 Qualcomm Incorporated Coding higher-order ambisonic audio data with motion stabilization
CN107430861B (zh) 2015-03-03 2020-10-16 杜比实验室特许公司 用于对音频信号进行处理的方法、装置和设备
US10129661B2 (en) * 2015-03-04 2018-11-13 Starkey Laboratories, Inc. Techniques for increasing processing capability in hear aids
WO2017055485A1 (en) 2015-09-30 2017-04-06 Dolby International Ab Method and apparatus for generating 3d audio content from two-channel stereo content
US10225657B2 (en) 2016-01-18 2019-03-05 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reproduction
EP3406084B1 (en) 2016-01-18 2020-08-26 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reproduction
CN108781331B (zh) 2016-01-19 2020-11-06 云加速360公司 用于头戴式扬声器的音频增强
WO2017143003A1 (en) * 2016-02-18 2017-08-24 Dolby Laboratories Licensing Corporation Processing of microphone signals for spatial playback
US11234072B2 (en) 2016-02-18 2022-01-25 Dolby Laboratories Licensing Corporation Processing of microphone signals for spatial playback
US10923132B2 (en) 2016-02-19 2021-02-16 Dolby Laboratories Licensing Corporation Diffusivity based sound processing method and apparatus
GB2554446A (en) 2016-09-28 2018-04-04 Nokia Technologies Oy Spatial audio signal format generation from a microphone array using adaptive capture
US10979844B2 (en) * 2017-03-08 2021-04-13 Dts, Inc. Distributed audio virtualization systems
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
US10313820B2 (en) 2017-07-11 2019-06-04 Boomcloud 360, Inc. Sub-band spatial audio enhancement
GB201718341D0 (en) * 2017-11-06 2017-12-20 Nokia Technologies Oy Determination of targeted spatial audio parameters and associated spatial audio playback
US10764704B2 (en) 2018-03-22 2020-09-01 Boomcloud 360, Inc. Multi-channel subband spatial processing for loudspeakers
GB2572420A (en) * 2018-03-29 2019-10-02 Nokia Technologies Oy Spatial sound rendering
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
CN110782911A (zh) * 2018-07-30 2020-02-11 阿里巴巴集团控股有限公司 音频信号处理方法、装置、设备和存储介质
GB2582749A (en) * 2019-03-28 2020-10-07 Nokia Technologies Oy Determination of the significance of spatial audio parameters and associated encoding
CN114270437B (zh) * 2019-06-14 2025-05-30 弗劳恩霍夫应用研究促进协会 参数编码与解码
CN114223031A (zh) * 2019-08-01 2022-03-22 杜比实验室特许公司 协方差平滑的系统及方法
GB2587357A (en) * 2019-09-24 2021-03-31 Nokia Technologies Oy Audio processing
US10841728B1 (en) 2019-10-10 2020-11-17 Boomcloud 360, Inc. Multi-channel crosstalk processing
CN112653985B (zh) * 2019-10-10 2022-09-27 高迪奥实验室公司 使用2声道立体声扬声器处理音频信号的方法和设备
GB2589321A (en) 2019-11-25 2021-06-02 Nokia Technologies Oy Converting binaural signals to stereo audio signals
GB2594265A (en) * 2020-04-20 2021-10-27 Nokia Technologies Oy Apparatus, methods and computer programs for enabling rendering of spatial audio signals
GB2595871A (en) * 2020-06-09 2021-12-15 Nokia Technologies Oy The reduction of spatial audio parameters
GB2596318A (en) * 2020-06-24 2021-12-29 Nokia Technologies Oy Suppressing spatial noise in multi-microphone devices
CN116171474A (zh) * 2020-09-09 2023-05-26 杜比实验室特许公司 处理参数编码的音频
US11373662B2 (en) * 2020-11-03 2022-06-28 Bose Corporation Audio system height channel up-mixing
WO2023147864A1 (en) * 2022-02-03 2023-08-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method to transform an audio stream

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4298466B2 (ja) * 2003-10-30 2009-07-22 日本電信電話株式会社 収音方法、装置、プログラム、および記録媒体
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
EP1866912B1 (en) * 2005-03-30 2010-07-07 Koninklijke Philips Electronics N.V. Multi-channel audio coding
CN101411214B (zh) * 2006-03-28 2011-08-10 艾利森电话股份有限公司 用于多信道环绕声音的解码器的方法和装置
CN101553867B (zh) * 2006-12-07 2013-04-17 Lg电子株式会社 用于处理音频信号的方法和装置
MX2008012986A (es) 2007-02-14 2008-11-28 Lg Electronics Inc Metodos y aparatos para codificar y decodificar señales de audio basadas en objetos.
CN101542597B (zh) * 2007-02-14 2013-02-27 Lg电子株式会社 用于编码和解码基于对象的音频信号的方法和装置
EP2137725B1 (en) 2007-04-26 2014-01-08 Dolby International AB Apparatus and method for synthesizing an output signal
RU2452043C2 (ru) * 2007-10-17 2012-05-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Аудиокодирование с использованием понижающего микширования
US8315396B2 (en) * 2008-07-17 2012-11-20 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating audio output signals using object based metadata
EP2327072B1 (en) * 2008-08-14 2013-03-20 Dolby Laboratories Licensing Corporation Audio signal transformatting
KR20100111499A (ko) * 2009-04-07 2010-10-15 삼성전자주식회사 목적음 추출 장치 및 방법
CA2775828C (en) * 2009-09-29 2016-03-29 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio signal decoder, audio signal encoder, method for providing an upmix signal representation, method for providing a downmix signal representation, computer program and bitstream using a common inter-object-correlation parameter value
TWI396186B (zh) * 2009-11-12 2013-05-11 Nat Cheng Kong University 基於盲訊號分離語音增強技術之遠距離雜訊語音辨識
US9344813B2 (en) * 2010-05-04 2016-05-17 Sonova Ag Methods for operating a hearing device as well as hearing devices

Also Published As

Publication number Publication date
CA2843820C (en) 2016-09-27
PL2617031T3 (pl) 2015-01-30
EP2617031A1 (en) 2013-07-24
US11282485B2 (en) 2022-03-22
CN103765507A (zh) 2014-04-30
US10748516B2 (en) 2020-08-18
AR087564A1 (es) 2014-04-03
JP5846460B2 (ja) 2016-01-20
CN103765507B (zh) 2016-01-20
US10339908B2 (en) 2019-07-02
EP2560161A1 (en) 2013-02-20
JP2014526065A (ja) 2014-10-02
EP2617031B1 (en) 2014-07-23
MX2014001731A (es) 2014-03-27
KR20140047731A (ko) 2014-04-22
TWI489447B (zh) 2015-06-21
KR101633441B1 (ko) 2016-07-08
AU2012296895B2 (en) 2015-07-16
CA2843820A1 (en) 2013-02-21
HK1187731A1 (en) 2014-04-11
AU2012296895A1 (en) 2014-02-27
RU2631023C2 (ru) 2017-09-15
BR112014003663A2 (pt) 2020-10-27
TW201320059A (zh) 2013-05-16
RU2014110030A (ru) 2015-09-27
BR112014003663B1 (pt) 2021-12-21
US20140233762A1 (en) 2014-08-21
US20200372884A1 (en) 2020-11-26
US20190251938A1 (en) 2019-08-15
WO2013024085A1 (en) 2013-02-21

Similar Documents

Publication Publication Date Title
US11282485B2 (en) Optimal mixing matrices and usage of decorrelators in spatial audio processing
AU2022291444B2 (en) Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2D setups
US20220417692A1 (en) Spatial Audio Parameters and Associated Spatial Audio Playback
CN111316354B (zh) 目标空间音频参数和相关联的空间音频播放的确定
ES2980822T3 (es) Codificación y decodificación de parámetros
US8145499B2 (en) Generation of decorrelated signals
US20210314719A1 (en) Method and device for applying dynamic range compression to a higher order ambisonics signal
US20080232617A1 (en) Multichannel surround format conversion and generalized upmix
JP2017535153A (ja) オーディオ・エンコーダおよびデコーダ
Delikaris-Manias et al. Parametric binaural rendering utilizing compact microphone arrays
EP2934025A1 (en) Method and device for applying dynamic range compression to a higher order ambisonics signal
HK1187731B (en) Optimal mixing matrices and usage of decorrelators in spatial audio processing