BR112014003663B1 - Matrizes de mixagem ideal e uso de descorrelacionadores no processamento de áudio espacial - Google Patents
Matrizes de mixagem ideal e uso de descorrelacionadores no processamento de áudio espacial Download PDFInfo
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- BR112014003663B1 BR112014003663B1 BR112014003663-2A BR112014003663A BR112014003663B1 BR 112014003663 B1 BR112014003663 B1 BR 112014003663B1 BR 112014003663 A BR112014003663 A BR 112014003663A BR 112014003663 B1 BR112014003663 B1 BR 112014003663B1
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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
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- 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
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- 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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- 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
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Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161524647P | 2011-08-17 | 2011-08-17 | |
| US61/524,647 | 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 (2)
| Publication Number | Publication Date |
|---|---|
| BR112014003663A2 BR112014003663A2 (pt) | 2020-10-27 |
| BR112014003663B1 true BR112014003663B1 (pt) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| BR112014003663-2A BR112014003663B1 (pt) | 2011-08-17 | 2012-08-14 | Matrizes de mixagem ideal e uso de descorrelacionadores no processamento de áudio espacial |
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| JP2015509212A (ja) * | 2012-01-19 | 2015-03-26 | コーニンクレッカ フィリップス エヌ ヴェ | 空間オーディオ・レンダリング及び符号化 |
| JP5930441B2 (ja) * | 2012-02-14 | 2016-06-08 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | マルチチャネルオーディオ信号の適応ダウン及びアップミキシングを実行するための方法及び装置 |
| 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 |
| US9883312B2 (en) | 2013-05-29 | 2018-01-30 | Qualcomm Incorporated | Transformed higher order ambisonics audio data |
| KR102161169B1 (ko) * | 2013-07-05 | 2020-09-29 | 한국전자통신연구원 | 오디오 신호 처리 방법 및 장치 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| US10770087B2 (en) | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
| 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 |
| 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 |
| US9875756B2 (en) * | 2014-12-16 | 2018-01-23 | Psyx Research, Inc. | System and method for artifact masking |
| 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 |
| NZ750171A (en) | 2016-01-18 | 2022-04-29 | 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 |
| 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 |
| 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 |
| PL3984028T3 (pl) * | 2019-06-14 | 2024-08-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Enkodowanie oraz dekodowanie parametrów |
| MX2022001150A (es) * | 2019-08-01 | 2022-02-22 | Dolby Laboratories Licensing Corp | Sistemas y metodos para suavizacion de covarianza. |
| GB2587357A (en) * | 2019-09-24 | 2021-03-31 | Nokia Technologies Oy | Audio 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 |
| US10841728B1 (en) | 2019-10-10 | 2020-11-17 | Boomcloud 360, Inc. | Multi-channel crosstalk processing |
| 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 |
| BR112023004363A2 (pt) * | 2020-09-09 | 2023-04-04 | Dolby Laboratories Licensing Corp | Processamento de áudio parametricamente codificado |
| 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)
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|---|---|---|---|---|
| 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 |
| ATE473502T1 (de) * | 2005-03-30 | 2010-07-15 | Koninkl Philips Electronics Nv | 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 |
| CN101553868B (zh) * | 2006-12-07 | 2012-08-29 | Lg电子株式会社 | 用于处理音频信号的方法和装置 |
| 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 |
| BRPI0802613A2 (pt) | 2007-02-14 | 2011-08-30 | Lg Electronics Inc | métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto |
| RU2439719C2 (ru) | 2007-04-26 | 2012-01-10 | Долби Свиден АБ | Устройство и способ для синтезирования выходного сигнала |
| EP2076900A1 (en) * | 2007-10-17 | 2009-07-08 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Audio coding using upmix |
| 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 |
| 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 |
| EP3093843B1 (en) | 2009-09-29 | 2020-12-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mpeg-saoc audio signal decoder, mpeg-saoc audio signal encoder, method for providing an upmix signal representation using mpeg-saoc decoding, method for providing a downmix signal representation using mpeg-saoc decoding, and computer program using a time/frequency-dependent 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 |
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2012
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Also Published As
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|---|---|
| JP5846460B2 (ja) | 2016-01-20 |
| EP2617031A1 (en) | 2013-07-24 |
| BR112014003663A2 (pt) | 2020-10-27 |
| CA2843820A1 (en) | 2013-02-21 |
| US20190251938A1 (en) | 2019-08-15 |
| CA2843820C (en) | 2016-09-27 |
| US20200372884A1 (en) | 2020-11-26 |
| JP2014526065A (ja) | 2014-10-02 |
| ES2499640T3 (es) | 2014-09-29 |
| MX2014001731A (es) | 2014-03-27 |
| RU2631023C2 (ru) | 2017-09-15 |
| EP2560161A1 (en) | 2013-02-20 |
| PL2617031T3 (pl) | 2015-01-30 |
| TWI489447B (zh) | 2015-06-21 |
| RU2014110030A (ru) | 2015-09-27 |
| AU2012296895B2 (en) | 2015-07-16 |
| WO2013024085A1 (en) | 2013-02-21 |
| US20140233762A1 (en) | 2014-08-21 |
| HK1187731A1 (en) | 2014-04-11 |
| US10748516B2 (en) | 2020-08-18 |
| AR087564A1 (es) | 2014-04-03 |
| CN103765507A (zh) | 2014-04-30 |
| TW201320059A (zh) | 2013-05-16 |
| EP2617031B1 (en) | 2014-07-23 |
| CN103765507B (zh) | 2016-01-20 |
| US10339908B2 (en) | 2019-07-02 |
| KR101633441B1 (ko) | 2016-07-08 |
| US11282485B2 (en) | 2022-03-22 |
| KR20140047731A (ko) | 2014-04-22 |
| AU2012296895A1 (en) | 2014-02-27 |
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