MX2016003504A - Concepto para generar una señal de mezcla descendente. - Google Patents

Concepto para generar una señal de mezcla descendente.

Info

Publication number
MX2016003504A
MX2016003504A MX2016003504A MX2016003504A MX2016003504A MX 2016003504 A MX2016003504 A MX 2016003504A MX 2016003504 A MX2016003504 A MX 2016003504A MX 2016003504 A MX2016003504 A MX 2016003504A MX 2016003504 A MX2016003504 A MX 2016003504A
Authority
MX
Mexico
Prior art keywords
signal
input signal
input
concept
generating
Prior art date
Application number
MX2016003504A
Other languages
English (en)
Other versions
MX359381B (es
Inventor
Jürgen Herre
Emanuel Habets
Alexander Adami
Original Assignee
Fraunhofer Ges Zur Föerderung Der Angewandten Forschung E V
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 Zur Föerderung Der Angewandten Forschung E V filed Critical Fraunhofer Ges Zur Föerderung Der Angewandten Forschung E V
Publication of MX2016003504A publication Critical patent/MX2016003504A/es
Publication of MX359381B publication Critical patent/MX359381B/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • 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
    • G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
  • Filters That Use Time-Delay Elements (AREA)

Abstract

Un dispositivo procesador de señales de audio (1) para la mezcla descendente de una primera señal de entrada (X1) y una segunda señal de entrada (X2) a una señal de mezcla descendente (XD) que comprende: un extractor de disparidad (2) configurado para recibir la primera señal de entrada (X1) y la segunda señal de entrada (X2) así como para sacar una señal extraída (Û 2), que está menos correlacionada con respecto a la primera señal de entrada (X1) que la segunda señal de entrada (X2) y un combinador (3) configurado para combinar la primera señal de entrada (X1) y la señal extraída (Û2) fin de obtener la señal de mezcla descendente (XD).
MX2016003504A 2013-09-27 2014-09-02 Concepto para generar una señal de mezcla descendente. MX359381B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13186480 2013-09-27
EP14161059.2A EP2854133A1 (en) 2013-09-27 2014-03-21 Generation of a downmix signal
PCT/EP2014/068611 WO2015043891A1 (en) 2013-09-27 2014-09-02 Concept for generating a downmix signal

Publications (2)

Publication Number Publication Date
MX2016003504A true MX2016003504A (es) 2016-07-06
MX359381B MX359381B (es) 2018-09-25

Family

ID=50442340

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016003504A MX359381B (es) 2013-09-27 2014-09-02 Concepto para generar una señal de mezcla descendente.

Country Status (11)

Country Link
US (1) US10021501B2 (es)
EP (2) EP2854133A1 (es)
JP (1) JP6275831B2 (es)
KR (1) KR101833380B1 (es)
CN (1) CN105765652B (es)
BR (1) BR112016006323B1 (es)
CA (1) CA2925230C (es)
ES (1) ES2649481T3 (es)
MX (1) MX359381B (es)
RU (1) RU2661310C2 (es)
WO (1) WO2015043891A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3539127B1 (en) 2016-11-08 2020-09-02 Fraunhofer Gesellschaft zur Förderung der Angewand Downmixer and method for downmixing at least two channels and multichannel encoder and multichannel decoder
WO2019076739A1 (en) * 2017-10-16 2019-04-25 Sony Europe Limited AUDIO PROCESSING
CN110060696B (zh) * 2018-01-19 2021-06-15 腾讯科技（深圳）有限公司 混音方法及装置、终端及可读存储介质
CN110556116B (zh) 2018-05-31 2021-10-22 华为技术有限公司 计算下混信号和残差信号的方法和装置

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* Cited by examiner, † Cited by third party
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JPS5832840B2 (ja) * 1977-09-10 1983-07-15 日本ビクター株式会社 立体音場拡大装置
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WO2004103023A1 (ja) * 1995-09-26 2004-11-25 Ikuichiro Kinoshita 仮想音像定位用伝達関数表作成方法、その伝達関数表を記録した記憶媒体及びそれを用いた音響信号編集方法
JPH11502324A (ja) * 1995-12-15 1999-02-23 フィリップス エレクトロニクス エヌ ベー 適応雑音除去装置、雑音減少システム及び送受信機
US5715319A (en) * 1996-05-30 1998-02-03 Picturetel Corporation Method and apparatus for steerable and endfire superdirective microphone arrays with reduced analog-to-digital converter and computational requirements
US6243476B1 (en) * 1997-06-18 2001-06-05 Massachusetts Institute Of Technology Method and apparatus for producing binaural audio for a moving listener
JP3526185B2 (ja) * 1997-10-07 2004-05-10 パイオニア株式会社 記録情報再生装置におけるクロストーク除去装置
MY123651A (en) * 1999-04-07 2006-05-31 Dolby Laboratories Licensing Corp Matrix improvements to lossless encoding and decoding
US7039204B2 (en) 2002-06-24 2006-05-02 Agere Systems Inc. Equalization for audio mixing
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
CN101197798B (zh) * 2006-12-07 2011-11-02 华为技术有限公司 信号处理***、芯片、外接卡、滤波、收发装置及方法
GB0704622D0 (en) * 2007-03-09 2007-04-18 Skype Ltd Speech coding system and method
ES2452348T3 (es) * 2007-04-26 2014-04-01 Dolby International Ab Aparato y procedimiento para sintetizar una señal de salida
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WO2009049895A1 (en) * 2007-10-17 2009-04-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding using downmix
EP2175670A1 (en) * 2008-10-07 2010-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Binaural rendering of a multi-channel audio signal
DE102008056704B4 (de) 2008-11-11 2010-11-04 Institut für Rundfunktechnik GmbH Verfahren zum Erzeugen eines abwärtskompatiblen Tonformates
EP2214161A1 (en) 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for upmixing a downmix audio signal
EP2214162A1 (en) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Upmixer, method and computer program for upmixing a downmix audio signal
MX2011006248A (es) 2009-04-08 2011-07-20 Fraunhofer Ges Forschung Aparato, metodo y programa de computacion para mezclar en forma ascendente una señal de audio con mezcla descendente utilizando una suavizacion de valor de fase.
KR101697550B1 (ko) * 2010-09-16 2017-02-02 삼성전자주식회사 멀티채널 오디오 대역폭 확장 장치 및 방법
JP5533502B2 (ja) * 2010-09-28 2014-06-25 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
WO2012109385A1 (en) * 2011-02-10 2012-08-16 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
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
JP2013207487A (ja) 2012-03-28 2013-10-07 Nec Corp 携帯端末不正利用防止システム

Also Published As

Publication number Publication date
US10021501B2 (en) 2018-07-10
CN105765652B (zh) 2019-11-19
EP3050054A1 (en) 2016-08-03
RU2661310C2 (ru) 2018-07-13
EP3050054B1 (en) 2017-10-18
KR20160067099A (ko) 2016-06-13
US20160212561A1 (en) 2016-07-21
CN105765652A (zh) 2016-07-13
RU2016116285A (ru) 2017-11-01
MX359381B (es) 2018-09-25
CA2925230C (en) 2018-08-14
JP2016538578A (ja) 2016-12-08
CA2925230A1 (en) 2015-04-02
ES2649481T3 (es) 2018-01-12
WO2015043891A1 (en) 2015-04-02
EP2854133A1 (en) 2015-04-01
JP6275831B2 (ja) 2018-02-07
BR112016006323B1 (pt) 2021-12-14
BR112016006323A2 (pt) 2017-08-01
KR101833380B1 (ko) 2018-02-28

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