RU2631023C2 - Матрицы оптимального микширования и использование декорреляторов при обработке пространственного звука - Google Patents

Матрицы оптимального микширования и использование декорреляторов при обработке пространственного звука Download PDF

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RU2631023C2
RU2631023C2 RU2014110030A RU2014110030A RU2631023C2 RU 2631023 C2 RU2631023 C2 RU 2631023C2 RU 2014110030 A RU2014110030 A RU 2014110030A RU 2014110030 A RU2014110030 A RU 2014110030A RU 2631023 C2 RU2631023 C2 RU 2631023C2
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matrix
covariance
mixing
signal
signal processor
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RU2014110030A
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Russian (ru)
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RU2014110030A (ru
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Юха ВИЛЬКАМО
Том БЯКСТРЕМ
Фабиан КЮХ
Ахим КУНТЦ
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Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф.
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    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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

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  • 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)
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RU2014110030A 2011-08-17 2012-08-14 Матрицы оптимального микширования и использование декорреляторов при обработке пространственного звука RU2631023C2 (ru)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201161524647P 2011-08-17 2011-08-17
US61/524,647 2011-08-17
EP12156351A EP2560161A1 (en) 2011-08-17 2012-02-21 Optimal mixing matrices and usage of decorrelators in spatial audio processing
EP12156351.4 2012-02-21
PCT/EP2012/065861 WO2013024085A1 (en) 2011-08-17 2012-08-14 Optimal mixing matrices and usage of decorrelators in spatial audio processing

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RU2014110030A RU2014110030A (ru) 2015-09-27
RU2631023C2 true RU2631023C2 (ru) 2017-09-15

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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
WO2013108200A1 (en) * 2012-01-19 2013-07-25 Koninklijke Philips N.V. Spatial audio rendering and encoding
KR101662680B1 (ko) * 2012-02-14 2016-10-05 후아웨이 테크놀러지 컴퍼니 리미티드 멀티-채널 오디오 신호의 적응적 다운-믹싱 및 업-믹싱을 수행하기 위한 방법 및 장치
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
US9502044B2 (en) 2013-05-29 2016-11-22 Qualcomm Incorporated Compression of decomposed representations of a sound field
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
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
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
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
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9489955B2 (en) 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
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
CN110970041B (zh) * 2014-07-01 2023-10-20 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
EP3266021B1 (en) 2015-03-03 2019-05-08 Dolby Laboratories Licensing Corporation Enhancement of spatial audio signals by modulated decorrelation
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
CN112235695B (zh) * 2016-01-18 2022-04-15 云加速360公司 用于音频信号串扰处理的方法、系统及介质
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
US11234072B2 (en) 2016-02-18 2022-01-25 Dolby Laboratories Licensing Corporation Processing of microphone signals for spatial playback
WO2017143003A1 (en) * 2016-02-18 2017-08-24 Dolby Laboratories Licensing Corporation Processing of microphone signals for spatial playback
WO2017142916A1 (en) 2016-02-19 2017-08-24 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
TWI792006B (zh) * 2019-06-14 2023-02-11 弗勞恩霍夫爾協會 音訊合成器、訊號產生方法及儲存單元
AU2020319893B2 (en) * 2019-08-01 2026-05-28 Dolby Laboratories Licensing Corporation Systems and methods for covariance smoothing
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
WO2022047078A1 (en) 2020-08-27 2022-03-03 Dolby Laboratories Licensing Corporation Matrix coded stereo signal with periphonic elements
IL300820B2 (en) * 2020-09-09 2025-12-01 Dolby Laboratories Licensing Corp Processing parametrically coded audio
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060165237A1 (en) * 2004-11-02 2006-07-27 Lars Villemoes Methods for improved performance of prediction based multi-channel reconstruction
US20080205657A1 (en) * 2006-12-07 2008-08-28 Lg Electronics, Inc. Method and an Apparatus for Decoding an Audio Signal
US20100254539A1 (en) * 2009-04-07 2010-10-07 Samsung Electronics Co., Ltd. Apparatus and method for extracting target sound from mixed source sound
RU2407073C2 (ru) * 2005-03-30 2010-12-20 Конинклейке Филипс Электроникс Н.В. Кодирование многоканального аудио
US20110137662A1 (en) * 2008-08-14 2011-06-09 Dolby Laboratories Licensing Corporation Audio Signal Transformatting

Family Cites Families (10)

* 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
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
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
EP2111617B1 (en) 2007-02-14 2013-09-04 LG Electronics Inc. Audio decoding method and corresponding apparatus
MX2009011405A (es) 2007-04-26 2009-11-05 Dolby Sweden Ab Aparato y metodo para sintetizar una señal de salida.
MX2010004220A (es) * 2007-10-17 2010-06-11 Fraunhofer Ges Forschung Codificacion de audio usando mezcla descendente.
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
JP5576488B2 (ja) * 2009-09-29 2014-08-20 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 オーディオ信号デコーダ、オーディオ信号エンコーダ、アップミックス信号表現の生成方法、ダウンミックス信号表現の生成方法、及びコンピュータプログラム
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060165237A1 (en) * 2004-11-02 2006-07-27 Lars Villemoes Methods for improved performance of prediction based multi-channel reconstruction
RU2407073C2 (ru) * 2005-03-30 2010-12-20 Конинклейке Филипс Электроникс Н.В. Кодирование многоканального аудио
US20080205657A1 (en) * 2006-12-07 2008-08-28 Lg Electronics, Inc. Method and an Apparatus for Decoding an Audio Signal
US20110137662A1 (en) * 2008-08-14 2011-06-09 Dolby Laboratories Licensing Corporation Audio Signal Transformatting
US20100254539A1 (en) * 2009-04-07 2010-10-07 Samsung Electronics Co., Ltd. Apparatus and method for extracting target sound from mixed source sound

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US20200372884A1 (en) 2020-11-26
JP2014526065A (ja) 2014-10-02
JP5846460B2 (ja) 2016-01-20
PL2617031T3 (pl) 2015-01-30
US10339908B2 (en) 2019-07-02
BR112014003663A2 (pt) 2020-10-27
ES2499640T3 (es) 2014-09-29
AU2012296895B2 (en) 2015-07-16
KR20140047731A (ko) 2014-04-22
US10748516B2 (en) 2020-08-18
TWI489447B (zh) 2015-06-21
WO2013024085A1 (en) 2013-02-21
US11282485B2 (en) 2022-03-22
AU2012296895A1 (en) 2014-02-27
EP2617031B1 (en) 2014-07-23
AR087564A1 (es) 2014-04-03
HK1187731A1 (en) 2014-04-11
CA2843820C (en) 2016-09-27
RU2014110030A (ru) 2015-09-27
TW201320059A (zh) 2013-05-16
EP2617031A1 (en) 2013-07-24
KR101633441B1 (ko) 2016-07-08
CA2843820A1 (en) 2013-02-21
US20190251938A1 (en) 2019-08-15
EP2560161A1 (en) 2013-02-20
CN103765507A (zh) 2014-04-30
MX2014001731A (es) 2014-03-27
BR112014003663B1 (pt) 2021-12-21
CN103765507B (zh) 2016-01-20
US20140233762A1 (en) 2014-08-21

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