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
Links
- 230000002596 correlated effect Effects 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 abstract 1
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).
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)
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 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4893342A (en) * | 1987-10-15 | 1990-01-09 | Cooper Duane H | Head diffraction compensated stereo system |
US4975954A (en) * | 1987-10-15 | 1990-12-04 | Cooper Duane H | Head diffraction compensated stereo system with optimal equalization |
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 |
KR101434200B1 (ko) * | 2007-10-01 | 2014-08-26 | 삼성전자주식회사 | 혼합 사운드로부터의 음원 판별 방법 및 장치 |
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 |
-
2014
- 2014-03-21 EP EP14161059.2A patent/EP2854133A1/en not_active Withdrawn
- 2014-09-02 WO PCT/EP2014/068611 patent/WO2015043891A1/en active Application Filing
- 2014-09-02 CA CA2925230A patent/CA2925230C/en active Active
- 2014-09-02 BR BR112016006323-6A patent/BR112016006323B1/pt active IP Right Grant
- 2014-09-02 ES ES14758881.8T patent/ES2649481T3/es active Active
- 2014-09-02 CN CN201480053053.8A patent/CN105765652B/zh active Active
- 2014-09-02 RU RU2016116285A patent/RU2661310C2/ru not_active IP Right Cessation
- 2014-09-02 JP JP2016517420A patent/JP6275831B2/ja active Active
- 2014-09-02 MX MX2016003504A patent/MX359381B/es active IP Right Grant
- 2014-09-02 EP EP14758881.8A patent/EP3050054B1/en active Active
- 2014-09-02 KR KR1020167007500A patent/KR101833380B1/ko active IP Right Grant
-
2016
- 2016-03-25 US US15/080,584 patent/US10021501B2/en active Active
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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Legal Events
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FG | Grant or registration |