AR087564A1 - Matrices optimas de mezcla y uso de descorreladores en el procesamiento de audio espacial - Google Patents
Matrices optimas de mezcla y uso de descorreladores en el procesamiento de audio espacialInfo
- Publication number
- AR087564A1 AR087564A1 ARP120103009A ARP120103009A AR087564A1 AR 087564 A1 AR087564 A1 AR 087564A1 AR P120103009 A ARP120103009 A AR P120103009A AR P120103009 A ARP120103009 A AR P120103009A AR 087564 A1 AR087564 A1 AR 087564A1
- Authority
- AR
- Argentina
- Prior art keywords
- mixing
- decorrelators
- matrixes
- optimal
- audio processing
- Prior art date
Links
Classifications
-
- 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
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)
Abstract
Se proporciona un aparato para generar una señal de salida de audio que tiene dos o más canales de salida de audio a partir de una señal de entrada de audio que tiene dos o más canales de entrada de audio. El aparato comprende un proveedor (110) y un procesador de señales (120). El proveedor (110) está adaptado para proporcionar primeras propiedades de covarianza de la señal de entrada de audio. El procesador de señales (120) está adaptado para generar la señal de salida de audio mediante la aplicación de una regla de mezcla en por lo menos dos de los dos o más canales de entrada de audio. El procesador de señales (120) está configurado para determinar la regla de mezcla sobre la base de las primeras propiedades de covarianza de la señal de entrada de audio y sobre la base de las segundas propiedades de covarianza de la señal de salida de audio, en donde las segundas propiedades de covarianza son distintas de las primeras propiedades de covarianza.
Applications Claiming Priority (2)
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR087564A1 true AR087564A1 (es) | 2014-04-03 |
Family
ID=45656296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP120103009A AR087564A1 (es) | 2011-08-17 | 2012-08-16 | Matrices optimas de mezcla y uso de descorreladores en el procesamiento de audio espacial |
Country Status (16)
Country | Link |
---|---|
US (3) | US10339908B2 (es) |
EP (2) | EP2560161A1 (es) |
JP (1) | JP5846460B2 (es) |
KR (1) | KR101633441B1 (es) |
CN (1) | CN103765507B (es) |
AR (1) | AR087564A1 (es) |
AU (1) | AU2012296895B2 (es) |
BR (1) | BR112014003663B1 (es) |
CA (1) | CA2843820C (es) |
ES (1) | ES2499640T3 (es) |
HK (1) | HK1187731A1 (es) |
MX (1) | MX2014001731A (es) |
PL (1) | PL2617031T3 (es) |
RU (1) | RU2631023C2 (es) |
TW (1) | TWI489447B (es) |
WO (1) | WO2013024085A1 (es) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104054126B (zh) * | 2012-01-19 | 2017-03-29 | 皇家飞利浦有限公司 | 空间音频渲染和编码 |
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 |
US9769586B2 (en) | 2013-05-29 | 2017-09-19 | Qualcomm Incorporated | Performing order reduction with respect to higher order ambisonic coefficients |
KR102161169B1 (ko) * | 2013-07-05 | 2020-09-29 | 한국전자통신연구원 | 오디오 신호 처리 방법 및 장치 |
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 |
EP2830050A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for enhanced spatial audio object coding |
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 |
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 |
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 |
US9883308B2 (en) * | 2014-07-01 | 2018-01-30 | Electronics And Telecommunications Research Institute | Multichannel audio signal processing method and device |
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 |
EP3611727B1 (en) | 2015-03-03 | 2022-05-04 | Dolby Laboratories Licensing Corporation | Enhancement of spatial audio signals by modulated decorrelation |
US10129661B2 (en) * | 2015-03-04 | 2018-11-13 | Starkey Laboratories, Inc. | Techniques for increasing processing capability in hear aids |
EP3357259B1 (en) | 2015-09-30 | 2020-09-23 | Dolby International AB | Method and apparatus for generating 3d audio content from two-channel stereo content |
EP3780653A1 (en) * | 2016-01-18 | 2021-02-17 | 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 |
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 |
US10923132B2 (en) | 2016-02-19 | 2021-02-16 | Dolby Laboratories Licensing Corporation | Diffusivity based sound processing method and apparatus |
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 |
KR20220025107A (ko) * | 2019-06-14 | 2022-03-03 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 매개변수 인코딩 및 디코딩 |
BR112022000806A2 (pt) * | 2019-08-01 | 2022-03-08 | Dolby Laboratories Licensing Corp | Sistemas e métodos para atenuação de covariância |
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 |
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)
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 |
ATE473502T1 (de) * | 2005-03-30 | 2010-07-15 | Koninkl Philips Electronics Nv | Mehrkanal-audiocodierung |
JP4875142B2 (ja) * | 2006-03-28 | 2012-02-15 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | マルチチャネル・サラウンドサウンドのためのデコーダのための方法及び装置 |
KR101111520B1 (ko) * | 2006-12-07 | 2012-05-24 | 엘지전자 주식회사 | 오디오 처리 방법 및 장치 |
WO2008100100A1 (en) | 2007-02-14 | 2008-08-21 | Lg Electronics Inc. | Methods and apparatuses for encoding and decoding object-based audio signals |
CN101542596B (zh) * | 2007-02-14 | 2016-05-18 | 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 |
ES2452348T3 (es) | 2007-04-26 | 2014-04-01 | Dolby International Ab | Aparato y procedimiento para sintetizar una señal de salida |
WO2009049895A1 (en) * | 2007-10-17 | 2009-04-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding using downmix |
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 |
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 |
TWI463485B (zh) | 2009-09-29 | 2014-12-01 | Fraunhofer Ges Forschung | 音訊信號解碼器或編碼器、用以提供上混信號表示型態或位元串流表示型態之方法、電腦程式及機器可存取媒體 |
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 |
-
2012
- 2012-02-21 EP EP12156351A patent/EP2560161A1/en not_active Withdrawn
- 2012-08-09 TW TW101128761A patent/TWI489447B/zh active
- 2012-08-14 CA CA2843820A patent/CA2843820C/en active Active
- 2012-08-14 MX MX2014001731A patent/MX2014001731A/es active IP Right Grant
- 2012-08-14 KR KR1020147006724A patent/KR101633441B1/ko active IP Right Grant
- 2012-08-14 CN CN201280040135.XA patent/CN103765507B/zh active Active
- 2012-08-14 AU AU2012296895A patent/AU2012296895B2/en active Active
- 2012-08-14 PL PL12745880T patent/PL2617031T3/pl unknown
- 2012-08-14 BR BR112014003663-2A patent/BR112014003663B1/pt active IP Right Grant
- 2012-08-14 WO PCT/EP2012/065861 patent/WO2013024085A1/en active Application Filing
- 2012-08-14 RU RU2014110030A patent/RU2631023C2/ru not_active Application Discontinuation
- 2012-08-14 JP JP2014525429A patent/JP5846460B2/ja active Active
- 2012-08-14 EP EP12745880.0A patent/EP2617031B1/en active Active
- 2012-08-14 ES ES12745880.0T patent/ES2499640T3/es active Active
- 2012-08-16 AR ARP120103009A patent/AR087564A1/es active IP Right Grant
-
2014
- 2014-01-22 HK HK14100668.5A patent/HK1187731A1/xx unknown
- 2014-02-13 US US14/180,230 patent/US10339908B2/en active Active
-
2019
- 2019-04-18 US US16/388,713 patent/US10748516B2/en active Active
-
2020
- 2020-08-06 US US16/987,264 patent/US11282485B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
KR20140047731A (ko) | 2014-04-22 |
JP5846460B2 (ja) | 2016-01-20 |
TW201320059A (zh) | 2013-05-16 |
US10339908B2 (en) | 2019-07-02 |
PL2617031T3 (pl) | 2015-01-30 |
MX2014001731A (es) | 2014-03-27 |
HK1187731A1 (en) | 2014-04-11 |
CN103765507B (zh) | 2016-01-20 |
US11282485B2 (en) | 2022-03-22 |
EP2617031A1 (en) | 2013-07-24 |
RU2631023C2 (ru) | 2017-09-15 |
JP2014526065A (ja) | 2014-10-02 |
US10748516B2 (en) | 2020-08-18 |
WO2013024085A1 (en) | 2013-02-21 |
EP2617031B1 (en) | 2014-07-23 |
ES2499640T3 (es) | 2014-09-29 |
US20140233762A1 (en) | 2014-08-21 |
TWI489447B (zh) | 2015-06-21 |
CA2843820C (en) | 2016-09-27 |
BR112014003663B1 (pt) | 2021-12-21 |
KR101633441B1 (ko) | 2016-07-08 |
AU2012296895A1 (en) | 2014-02-27 |
AU2012296895B2 (en) | 2015-07-16 |
US20190251938A1 (en) | 2019-08-15 |
BR112014003663A2 (pt) | 2020-10-27 |
EP2560161A1 (en) | 2013-02-20 |
RU2014110030A (ru) | 2015-09-27 |
US20200372884A1 (en) | 2020-11-26 |
CA2843820A1 (en) | 2013-02-21 |
CN103765507A (zh) | 2014-04-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AR087564A1 (es) | Matrices optimas de mezcla y uso de descorreladores en el procesamiento de audio espacial | |
AR116606A2 (es) | Método y unidad de procesamiento de señales para mapear una pluralidad de canales de entrada de una configuración de canales de entrada con canales de salida de una configuración de canales de salida | |
AR097013A1 (es) | Decodificador de audio multicanal, codificador de audio multicanal, métodos y programa de computadora usando un ajuste en base a señales residuales de una contribución de una señal decorrelacionada | |
CL2020001271A1 (es) | Inhibidores de kras g12c | |
AR095026A1 (es) | Aparato y método para la descomposición multicanal de ambiente-directo para el procesamiento de señales de audio | |
CL2016003315A1 (es) | Reducción de la correlación entre canales de segundo plano ambisónicos de orden superior (hoa) | |
AR092540A1 (es) | Aparato y metodo para proveer funciones mejoradas de mezcla guiada para audio 3d | |
CL2018002334A1 (es) | Moduladores de complementos factor b (divisional solicitud 201600606) | |
AR097001A1 (es) | Reducción de fallas de filtro peine en mezcla descendente de canales múltiples con alineación de fase adaptativa | |
AR094591A2 (es) | Aparato y método para generar señales de salida de audio mediante el uso de metadatos basados en objetos | |
CL2016002009A1 (es) | Extension armonica de ancho de banda de señales de audio | |
CL2016002709A1 (es) | Generacion de señal de excitacion de banda alta | |
BR112017008221A2 (pt) | dispositivos de saída de som e de guia de som. | |
CR20180072A (es) | Nuevos compuestos biciclicos como inhibidores de atx | |
AR084175A1 (es) | Aparato y metodo para descomponer una señal de entrada utilizando una curva de referencia calculada | |
IN2015DN03277A (es) | ||
CL2015001324A1 (es) | Plantación de bambú de alto rendimiento. | |
AR096987A1 (es) | Mezcla ascendente espacial controlada por renderizador | |
CL2017002756A1 (es) | Adhesivos acrílicos en emulsión | |
AR099277A1 (es) | Dispositivo informático, método y aparato que utilizan hojas de cálculo como base para el desarrollo de aplicaciones mejoradas | |
AR092958A1 (es) | Aparato y metodo para la sintesis eficaz de sinusoides y barridos mediante el empleo de patrones espectrales | |
EA201892500A1 (ru) | Применение фракции лигнина в качестве антифитопатогенного агента и содержащие ее антифитопатогенные композиции | |
MX2015014189A (es) | Aparato y metodo para escalado de señales centrales y mejora estereofonica basada en relacion señal a mezcla a dos canales. | |
AR110147A1 (es) | Mezclador y método para mezclar al menos dos canales y codificador multicanal y decodificador multicanal | |
SV2016005288A (es) | Mã‰todos y aparato para la coordinaciã“n de la selecciã“n del sistema entre un conjunto de nodos |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant, registration |