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 espacial

Info

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
Application number
ARP120103009A
Other languages
English (en)
Spanish (es)
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 AR087564A1 publication Critical patent/AR087564A1/es

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)
ARP120103009A 2011-08-17 2012-08-16 Matrices optimas de mezcla y uso de descorreladores en el procesamiento de audio espacial AR087564A1 (es)

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 (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

Also Published As

Publication number Publication date
CN103765507A (zh) 2014-04-30
US20200372884A1 (en) 2020-11-26
JP2014526065A (ja) 2014-10-02
HK1187731A1 (en) 2014-04-11
BR112014003663B1 (pt) 2021-12-21
PL2617031T3 (pl) 2015-01-30
EP2560161A1 (en) 2013-02-20
TWI489447B (zh) 2015-06-21
AU2012296895B2 (en) 2015-07-16
US11282485B2 (en) 2022-03-22
US20140233762A1 (en) 2014-08-21
CA2843820C (en) 2016-09-27
AU2012296895A1 (en) 2014-02-27
CA2843820A1 (en) 2013-02-21
BR112014003663A2 (pt) 2020-10-27
EP2617031B1 (en) 2014-07-23
EP2617031A1 (en) 2013-07-24
KR20140047731A (ko) 2014-04-22
TW201320059A (zh) 2013-05-16
JP5846460B2 (ja) 2016-01-20
US10748516B2 (en) 2020-08-18
MX2014001731A (es) 2014-03-27
RU2014110030A (ru) 2015-09-27
ES2499640T3 (es) 2014-09-29
KR101633441B1 (ko) 2016-07-08
RU2631023C2 (ru) 2017-09-15
WO2013024085A1 (en) 2013-02-21
US10339908B2 (en) 2019-07-02
CN103765507B (zh) 2016-01-20
US20190251938A1 (en) 2019-08-15

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
AR095026A1 (es) Aparato y método para la descomposición multicanal de ambiente-directo para el procesamiento de señales de audio
AR097001A1 (es) Reducción de fallas de filtro peine en mezcla descendente de canales múltiples con alineación de fase adaptativa
CL2016003315A1 (es) Reducción de la correlación entre canales de segundo plano ambisónicos de orden superior (hoa)
CL2016002009A1 (es) Extension armonica de ancho de banda de señales de audio
AR094591A2 (es) Aparato y método para generar señales de salida de audio mediante el uso de metadatos basados en objetos
UY34736A (es) ?compuestos de indol e indazol que activan la ampk?.
MX356565B (es) Modificación de consultas de busqueda estructuradas en redes sociales en línea.
CL2018002334A1 (es) Moduladores de complementos factor b (divisional solicitud 201600606)
AR112556A1 (es) Concepto para generar una descripción mejorada de campo de sonido o un campo de sonido modificado
MX2019005147A (es) Aparato y metodo para codificar o decodificar una se?al multicanal usando una ganancia lateral y una ganancia residual.
BR112017014230A2 (pt) endófitos de semente através de cultivares e espécies, composições associadas e métodos de uso dos mesmos
BR112017008221A2 (pt) dispositivos de saída de som e de guia de som.
AR084175A1 (es) Aparato y metodo para descomponer una señal de entrada utilizando una curva de referencia calculada
CL2017003157A1 (es) Generación de señal de banda alta
AR099277A1 (es) Dispositivo informático, método y aparato que utilizan hojas de cálculo como base para el desarrollo de aplicaciones mejoradas
AR093509A1 (es) Aparato y metodo para generar una pluralidad de transmisiones de audio parametricas y aparato y metodo para generar una pluralidad de señales de altavoz
AR096987A1 (es) Mezcla ascendente espacial controlada por renderizador
CL2016002597A1 (es) Composición de encolado que comprende a) al menos un sacárido no reductor, b) al menos un sacárido hidrogenado, c) al menos un ácido policarboxílico orgánico, y d) un catalizador; un producto y una red de fibras minerales encolados con dicha composición.
CL2015001324A1 (es) Plantación de bambú de alto rendimiento.
AR092958A1 (es) Aparato y metodo para la sintesis eficaz de sinusoides y barridos mediante el empleo de patrones espectrales
EA201400150A1 (ru) Устройство, способ и система для музицирования
MX347466B (es) Aparato y método para escalado de señales centrales y mejora estereofónica basada en relación señal a mezcla a dos canales.

Legal Events

Date Code Title Description
FG Grant, registration