MX2019005214A - Mezclador y metodo para mezclar al menos dos canales y codificador multicanal y decodificador multicanal. - Google Patents

Mezclador y metodo para mezclar al menos dos canales y codificador multicanal y decodificador multicanal.

Info

Publication number
MX2019005214A
MX2019005214A MX2019005214A MX2019005214A MX2019005214A MX 2019005214 A MX2019005214 A MX 2019005214A MX 2019005214 A MX2019005214 A MX 2019005214A MX 2019005214 A MX2019005214 A MX 2019005214A MX 2019005214 A MX2019005214 A MX 2019005214A
Authority
MX
Mexico
Prior art keywords
multichannel
channels
signal
downmixer
downmixing
Prior art date
Application number
MX2019005214A
Other languages
English (en)
Inventor
Fuchs Guillaume
Multrus Markus
Edler Bernd
Borss Christian
Ghido Florin
Bayer Stefan
Büthe Jan
Disch Sascha
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 MX2019005214A publication Critical patent/MX2019005214A/es

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Amplifiers (AREA)

Abstract

Un mezclador para mezclar al menos dos canales de una señal multicanal (12) que tiene los dos o más canales, comprende: un procesador (10) para calcular una señal de mezcla parcial (14) a partir de los al menos dos canales; un calculador de señal complementaria (20) para calcular una señal complementaria de la señal multicanal (12), la señal complementaria (22) que es diferente de la señal de mezcla parcial (14); y un sumador (30) para añadir la señal de mezcla parcial (14) y la señal complementaria (22) para obtener una señal de mezcla (40) de la señal multicanal.
MX2019005214A 2016-11-08 2017-10-30 Mezclador y metodo para mezclar al menos dos canales y codificador multicanal y decodificador multicanal. MX2019005214A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16197813 2016-11-08
PCT/EP2017/077820 WO2018086946A1 (en) 2016-11-08 2017-10-30 Downmixer and method for downmixing at least two channels and multichannel encoder and multichannel decoder

Publications (1)

Publication Number Publication Date
MX2019005214A true MX2019005214A (es) 2019-06-24

Family

ID=60302095

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2019005214A MX2019005214A (es) 2016-11-08 2017-10-30 Mezclador y metodo para mezclar al menos dos canales y codificador multicanal y decodificador multicanal.

Country Status (17)

Country Link
US (3) US10665246B2 (es)
EP (2) EP3748633A1 (es)
JP (3) JP6817433B2 (es)
KR (1) KR102291792B1 (es)
CN (2) CN110419079B (es)
AR (1) AR110147A1 (es)
AU (1) AU2017357452B2 (es)
BR (1) BR112019009424A2 (es)
CA (1) CA3045847C (es)
ES (1) ES2830954T3 (es)
MX (1) MX2019005214A (es)
PL (1) PL3539127T3 (es)
PT (1) PT3539127T (es)
RU (1) RU2727861C1 (es)
TW (1) TWI665660B (es)
WO (1) WO2018086946A1 (es)
ZA (1) ZA201903536B (es)

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US11157807B2 (en) 2018-04-14 2021-10-26 International Business Machines Corporation Optical neuron
US11521055B2 (en) 2018-04-14 2022-12-06 International Business Machines Corporation Optical synapse
BR112021017197A2 (pt) * 2019-03-06 2021-11-09 Fraunhofer Ges Forschung Mixador de redução e método de mixagem de redução
WO2020216459A1 (en) 2019-04-23 2020-10-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method or computer program for generating an output downmix representation
EP4202921A4 (en) * 2020-09-28 2024-02-21 Samsung Electronics Co., Ltd. AUDIO ENCODING APPARATUS AND METHOD AND AUDIO DECODING APPARATUS AND METHOD

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KR101035104B1 (ko) 2003-03-17 2011-05-19 코닌클리케 필립스 일렉트로닉스 엔.브이. 다중-채널 신호들의 처리
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FR2966634A1 (fr) * 2010-10-22 2012-04-27 France Telecom Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase
JP6126006B2 (ja) * 2012-05-11 2017-05-10 パナソニック株式会社 音信号ハイブリッドエンコーダ、音信号ハイブリッドデコーダ、音信号符号化方法、及び音信号復号方法
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Also Published As

Publication number Publication date
JP6817433B2 (ja) 2021-01-20
AU2017357452A1 (en) 2019-06-27
CA3045847A1 (en) 2018-05-17
AR110147A1 (es) 2019-02-27
US11670307B2 (en) 2023-06-06
EP3539127A1 (en) 2019-09-18
ZA201903536B (en) 2021-04-28
BR112019009424A2 (pt) 2019-07-30
US11183196B2 (en) 2021-11-23
CA3045847C (en) 2021-06-15
CN116741185A (zh) 2023-09-12
CN110419079A (zh) 2019-11-05
CN110419079B (zh) 2023-06-27
KR20190072653A (ko) 2019-06-25
EP3748633A1 (en) 2020-12-09
RU2727861C1 (ru) 2020-07-24
JP2023052322A (ja) 2023-04-11
US20220068284A1 (en) 2022-03-03
TW201830378A (zh) 2018-08-16
JP2019537057A (ja) 2019-12-19
JP2021060610A (ja) 2021-04-15
US10665246B2 (en) 2020-05-26
JP7210530B2 (ja) 2023-01-23
WO2018086946A1 (en) 2018-05-17
ES2830954T3 (es) 2021-06-07
US20190272833A1 (en) 2019-09-05
PT3539127T (pt) 2020-12-04
PL3539127T3 (pl) 2021-04-19
EP3539127B1 (en) 2020-09-02
US20200243096A1 (en) 2020-07-30
AU2017357452B2 (en) 2020-12-24
KR102291792B1 (ko) 2021-08-20
TWI665660B (zh) 2019-07-11

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