PL2617031T3 - Macierze optymalnego miksowania i użycie dekorelatorów w przetwarzaniu przestrzennego audio - Google Patents

Macierze optymalnego miksowania i użycie dekorelatorów w przetwarzaniu przestrzennego audio

Info

Publication number
PL2617031T3
PL2617031T3 PL12745880T PL12745880T PL2617031T3 PL 2617031 T3 PL2617031 T3 PL 2617031T3 PL 12745880 T PL12745880 T PL 12745880T PL 12745880 T PL12745880 T PL 12745880T PL 2617031 T3 PL2617031 T3 PL 2617031T3
Authority
PL
Poland
Prior art keywords
decorrelators
usage
audio processing
spatial audio
optimal mixing
Prior art date
Application number
PL12745880T
Other languages
English (en)
Polish (pl)
Inventor
Juha Vilkamo
Tom Bäckström
Fabian Küch
Achim Kuntz
Original Assignee
Fraunhofer Ges Forschung
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 filed Critical Fraunhofer Ges Forschung
Publication of PL2617031T3 publication Critical patent/PL2617031T3/pl

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/18Selecting circuits
    • G10H1/183Channel-assigning means for polyphonic instruments
    • 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
    • G10L19/0017Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • 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

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)
PL12745880T 2011-08-17 2012-08-14 Macierze optymalnego miksowania i użycie dekorelatorów w przetwarzaniu przestrzennego audio PL2617031T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161524647P 2011-08-17 2011-08-17
EP12156351A EP2560161A1 (en) 2011-08-17 2012-02-21 Optimal mixing matrices and usage of decorrelators in spatial audio processing
EP12745880.0A EP2617031B1 (en) 2011-08-17 2012-08-14 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
PL2617031T3 true PL2617031T3 (pl) 2015-01-30

Family

ID=45656296

Family Applications (1)

Application Number Title Priority Date Filing Date
PL12745880T PL2617031T3 (pl) 2011-08-17 2012-08-14 Macierze optymalnego miksowania i użycie dekorelatorów w przetwarzaniu przestrzennego audio

Country Status (15)

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

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
WO2013120510A1 (en) * 2012-02-14 2013-08-22 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
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9495968B2 (en) 2013-05-29 2016-11-15 Qualcomm Incorporated Identifying sources from which higher order ambisonic audio data is generated
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
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
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
EP2830332A3 (en) 2013-07-22 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method, signal processing unit, and computer program for mapping a plurality of input channels of an input channel configuration to output channels of an output channel configuration
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
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in 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
DE112015003108B4 (de) * 2014-07-01 2021-03-04 Electronics And Telecommunications Research Institute Verfahren und Vorrichtung zur Verarbeitung eines Mehrkanal-Audiosignals
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
US20160171987A1 (en) * 2014-12-16 2016-06-16 Psyx Research, Inc. System and method for compressed audio enhancement
US9712936B2 (en) 2015-02-03 2017-07-18 Qualcomm Incorporated Coding higher-order ambisonic audio data with motion stabilization
ES2922373T3 (es) 2015-03-03 2022-09-14 Dolby Laboratories Licensing Corp Realce de señales de audio espacial por decorrelación modulada
DK3065422T3 (da) * 2015-03-04 2019-05-20 Starkey Labs Inc Teknikker til forbedring af behandlingskapacitet i høreapparater
EP3357259B1 (en) 2015-09-30 2020-09-23 Dolby International AB Method and apparatus for generating 3d audio content from two-channel stereo content
WO2017127271A1 (en) * 2016-01-18 2017-07-27 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reproduction
US10225657B2 (en) 2016-01-18 2019-03-05 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reproduction
US10009705B2 (en) * 2016-01-19 2018-06-26 Boomcloud 360, Inc. Audio enhancement for head-mounted speakers
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
CA3193359A1 (en) 2019-06-14 2020-12-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Parameter encoding and decoding
KR102854679B1 (ko) * 2019-08-01 2025-09-05 돌비 레버러토리즈 라이쎈싱 코오포레이션 공분산 평활화를 위한 시스템 및 방법
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
KR20230062836A (ko) * 2020-09-09 2023-05-09 돌비 레버러토리즈 라이쎈싱 코오포레이션 파라미터적으로 코딩된 오디오 처리
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
DE602006015294D1 (de) 2005-03-30 2010-08-19 Dolby Int Ab Mehrkanal-audiocodierung
WO2007111568A2 (en) 2006-03-28 2007-10-04 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for a decoder for multi-channel surround sound
EP2102856A4 (en) * 2006-12-07 2010-01-13 Lg Electronics Inc METHOD AND DEVICE FOR PROCESSING AN AUDIO SIGNAL
CN101542595B (zh) * 2007-02-14 2016-04-13 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
CA2645915C (en) 2007-02-14 2012-10-23 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
CA2684975C (en) 2007-04-26 2016-08-02 Dolby Sweden Ab Apparatus and method for synthesizing an output signal
JP5883561B2 (ja) * 2007-10-17 2016-03-15 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 アップミックスを使用した音声符号器
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
US8705749B2 (en) * 2008-08-14 2014-04-22 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
WO2010086462A2 (en) * 2010-05-04 2010-08-05 Phonak Ag Methods for operating a hearing device as well as hearing devices

Also Published As

Publication number Publication date
AU2012296895B2 (en) 2015-07-16
CN103765507A (zh) 2014-04-30
JP2014526065A (ja) 2014-10-02
TW201320059A (zh) 2013-05-16
BR112014003663B1 (pt) 2021-12-21
US20200372884A1 (en) 2020-11-26
HK1187731A1 (en) 2014-04-11
KR101633441B1 (ko) 2016-07-08
US11282485B2 (en) 2022-03-22
TWI489447B (zh) 2015-06-21
RU2014110030A (ru) 2015-09-27
ES2499640T3 (es) 2014-09-29
BR112014003663A2 (pt) 2020-10-27
US10339908B2 (en) 2019-07-02
AR087564A1 (es) 2014-04-03
CN103765507B (zh) 2016-01-20
US20140233762A1 (en) 2014-08-21
CA2843820A1 (en) 2013-02-21
EP2617031B1 (en) 2014-07-23
RU2631023C2 (ru) 2017-09-15
EP2617031A1 (en) 2013-07-24
EP2560161A1 (en) 2013-02-20
CA2843820C (en) 2016-09-27
MX2014001731A (es) 2014-03-27
US20190251938A1 (en) 2019-08-15
JP5846460B2 (ja) 2016-01-20
AU2012296895A1 (en) 2014-02-27
KR20140047731A (ko) 2014-04-22
US10748516B2 (en) 2020-08-18
WO2013024085A1 (en) 2013-02-21

Similar Documents

Publication Publication Date Title
PL2617031T3 (pl) Macierze optymalnego miksowania i użycie dekorelatorów w przetwarzaniu przestrzennego audio
ZA201400525B (en) Rspo binding agents and uses thereof
EP2923502A4 (en) DEVICE FOR ROOM ENHANCEMENT
AP2014007475A0 (en) Pyrrolopyrimidine and purine derivates
EP2654726A4 (en) SOLID DISPERSION FORMULATIONS AND METHODS OF USE
EP2875350A4 (en) MANIPULATION OF MICROPARTICLES IN DIELECTROPHORETIC REGIONS OF LOW FIELD THICKNESS
SG10201913930UA (en) Therapeutic nuclease compositions and methods
IL229541B (en) Petridine compounds and their uses for the treatment of autoimmune diseases
IL250337A0 (en) Preparations for use in the treatment of nephropathy and methods for their preparation
GB201120993D0 (en) Novel compounds and their use in therapy
IL232262A (en) Medical factors and their uses
IL228557A0 (en) Solar absorbing formulations and related devices and methods
PL2917231T3 (pl) Lipopeptydy do stosowania w leczeniu chorób wątroby i chorób sercowo-naczyniowych
GB201411762D0 (en) Precoating methods and compositions
PT2683245T (pt) Métodos e composições para tratamento da depressão usando ciclobenzaprina
PL2667710T3 (pl) Kompozycja owadobójcza i związane z nią sposoby
GB2493801B (en) Improved audio quality in teleconferencing
ZA201308892B (en) Compositions and methods
PL2678296T3 (pl) Zastosowanie zeolitów do wprowadzania mikroelementów
GB201104924D0 (en) Improvements in headphones
EP2805962A4 (en) IMMUNOMODULATORY METALLOPEPTIDES (IMMP) AND COMPOSITIONS CONTAINING THE SAME
TWM401500U (en) Dividing table capable of being rapidly rotated and positioned
GB201112850D0 (en) Improvements in and relating to video processing
GB201112724D0 (en) Improvements in and relating to video processing
GB201106412D0 (en) Snuggles and cuddles duvet set