JP2014526065A5 - - Google Patents

Download PDF

Info

Publication number
JP2014526065A5
JP2014526065A5 JP2014525429A JP2014525429A JP2014526065A5 JP 2014526065 A5 JP2014526065 A5 JP 2014526065A5 JP 2014525429 A JP2014525429 A JP 2014525429A JP 2014525429 A JP2014525429 A JP 2014525429A JP 2014526065 A5 JP2014526065 A5 JP 2014526065A5
Authority
JP
Japan
Prior art keywords
covariance matrix
mixing
target covariance
signal processor
formulation module
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.)
Granted
Application number
JP2014525429A
Other languages
English (en)
Japanese (ja)
Other versions
JP2014526065A (ja
JP5846460B2 (ja
Filing date
Publication date
Priority claimed from EP12156351A external-priority patent/EP2560161A1/en
Application filed filed Critical
Publication of JP2014526065A publication Critical patent/JP2014526065A/ja
Publication of JP2014526065A5 publication Critical patent/JP2014526065A5/ja
Application granted granted Critical
Publication of JP5846460B2 publication Critical patent/JP5846460B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2014525429A 2011-08-17 2012-08-14 空間オーディオ処理における最適な混合マトリックスとデコリレータの使用法 Active JP5846460B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201161524647P 2011-08-17 2011-08-17
US61/524,647 2011-08-17
EP12156351.4 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 (3)

Publication Number Publication Date
JP2014526065A JP2014526065A (ja) 2014-10-02
JP2014526065A5 true JP2014526065A5 (enExample) 2015-06-25
JP5846460B2 JP5846460B2 (ja) 2016-01-20

Family

ID=45656296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014525429A Active JP5846460B2 (ja) 2011-08-17 2012-08-14 空間オーディオ処理における最適な混合マトリックスとデコリレータの使用法

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
CN103493128B (zh) * 2012-02-14 2015-05-27 华为技术有限公司 用于执行多信道音频信号的适应性下混和上混的方法及设备
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
US20140358565A1 (en) 2013-05-29 2014-12-04 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
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
EP2830049A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for efficient object metadata coding
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
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
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
US20160173808A1 (en) * 2014-12-16 2016-06-16 Psyx Research, Inc. System and method for level control at a receiver
US9712936B2 (en) 2015-02-03 2017-07-18 Qualcomm Incorporated Coding higher-order ambisonic audio data with motion stabilization
CN112002337B (zh) * 2015-03-03 2024-08-09 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
EP3065422B8 (en) * 2015-03-04 2019-06-12 Starkey Laboratories, Inc. Techniques for increasing processing capability in hear aids
US10448188B2 (en) 2015-09-30 2019-10-15 Dolby Laboratories Licensing Corporation Method and apparatus for generating 3D audio content from two-channel stereo content
AU2017208909B2 (en) * 2016-01-18 2019-01-03 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
KR102799690B1 (ko) * 2019-06-14 2025-04-23 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 매개변수 인코딩 및 디코딩
WO2021022235A1 (en) * 2019-08-01 2021-02-04 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
JP2023541250A (ja) * 2020-09-09 2023-09-29 ドルビー ラボラトリーズ ライセンシング コーポレイション パラメトリックに符号化されたオーディオの処理
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
RU2407073C2 (ru) * 2005-03-30 2010-12-20 Конинклейке Филипс Электроникс Н.В. Кодирование многоканального аудио
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
MX2008013078A (es) 2007-02-14 2008-11-28 Lg Electronics Inc Metodos y aparatos para codificar y descodificar señales de audio basadas en objeto.
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
BRPI0809760B1 (pt) 2007-04-26 2020-12-01 Dolby International Ab aparelho e método para sintetizar um sinal de saída
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
PL3093843T3 (pl) 2009-09-29 2021-06-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder sygnału audio MPEG-SAOC, koder sygnału audio MPEG-SAOC, sposób dostarczania reprezentacji sygnału upmixu z wykorzystaniem dekodowania MPEG-SAOC, sposób dostarczania reprezentacji sygnału downmixu z wykorzystaniem dekodowania MPEG-SAOC oraz program komputerowy wykorzystujący wspólną wartość parametru korelacji międzyobiektowej zależną od czasu/częstotliwości
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

Similar Documents

Publication Publication Date Title
JP2014526065A5 (enExample)
JP2016526929A5 (enExample)
WO2013049608A3 (en) Synthesizer diagnostic cassette simulator
JP2016515397A5 (enExample)
JP2012103966A5 (enExample)
JP2013125024A5 (enExample)
JP2014049891A5 (enExample)
JP2014178274A5 (enExample)
JP2013218558A5 (ja) 情報処理装置、運動支援情報提供システム、運動支援情報提供方法及び運動支援情報提供プログラム
WO2016015140A3 (en) Method and system for improving inertial measurement unit sensor signals
JP2016051980A5 (ja) 画像共有サーバ
JP2017028090A5 (enExample)
JP2011226839A5 (enExample)
JP2015005927A5 (enExample)
FR2997499B1 (fr) Dispositif de test d'ingestion d'objets par une turbomachine
JP2017173215A5 (enExample)
EP2867652A4 (en) CHEMICAL INDICATOR DEVICE
TWD164217S (zh) 診斷儀樣品匣（二）
WO2015086649A3 (de) Prüfvorrichtung für euv-optik
JP2014176544A5 (enExample)
TWD162184S (zh) 診斷儀樣品匣
JP2015052622A5 (ja) 皮膚角層を用いた敏感肌の検査方法
JP2016110532A5 (enExample)
JP2012040848A5 (enExample)
JP2014048382A5 (enExample)