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MX2019005145A - Aparato y metodo para la mezcla o mezcla ascendente de una se?al multicanal usando compensacion de fase. - Google Patents

Aparato y metodo para la mezcla o mezcla ascendente de una se?al multicanal usando compensacion de fase.

Info

Publication number
MX2019005145A
MX2019005145A MX2019005145A MX2019005145A MX2019005145A MX 2019005145 A MX2019005145 A MX 2019005145A MX 2019005145 A MX2019005145 A MX 2019005145A MX 2019005145 A MX2019005145 A MX 2019005145A MX 2019005145 A MX2019005145 A MX 2019005145A
Authority
MX
Mexico
Prior art keywords
mixing
signal
phase compensation
channel signal
channel
Prior art date
Application number
MX2019005145A
Other languages
English (en)
Other versions
MX387556B (es
Inventor
Herre Jürgen
Jaegers Wolfgang
Fuchs Guillaume
Fotopoulou Eleni
Multrus Markus
Büthe Jan
Reutelhuber Franz
Korse Srikanth
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 MX2019005145A publication Critical patent/MX2019005145A/es
Publication of MX387556B publication Critical patent/MX387556B/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • 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 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Analogue/Digital Conversion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Amplifiers (AREA)

Abstract

Un aparato para mezcla una señal multicanal (100) que comprende al menos dos canales (101, 102), comprende: un mezclador (120) para calcular (34) una señal de mezcla (122) a partir de la señal multicanal (100), donde el mezclador está configurado para calcular (34) la mezcla usando una compensación de fase absoluta, de modo que un canal que tiene una energía menor entre los al menos dos canales solo rota o rota más fuerte que un canal que tiene una energía mayor en el cálculo de la señal de mezcla (122); y una interfaz de salida (160) para generar una señal de salida, la señal de salida que comprende información sobre la señal de mezcla (122).
MX2019005145A 2016-11-08 2017-10-30 Aparato y metodo para la mezcla o mezcla ascendente de una se?al multicanal usando compensacion de fase MX387556B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16197816 2016-11-08
PCT/EP2017/077824 WO2018086948A1 (en) 2016-11-08 2017-10-30 Apparatus and method for downmixing or upmixing a multichannel signal using phase compensation

Publications (2)

Publication Number Publication Date
MX2019005145A true MX2019005145A (es) 2019-06-24
MX387556B MX387556B (es) 2025-03-18

Family

ID=60190886

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2019005145A MX387556B (es) 2016-11-08 2017-10-30 Aparato y metodo para la mezcla o mezcla ascendente de una se?al multicanal usando compensacion de fase
MX2019005147A MX394773B (es) 2016-11-08 2017-10-30 Aparato y método para codificar o decodificar una señal multicanal usando una ganancia lateral y una ganancia residual.

Family Applications After (1)

Application Number Title Priority Date Filing Date
MX2019005147A MX394773B (es) 2016-11-08 2017-10-30 Aparato y método para codificar o decodificar una señal multicanal usando una ganancia lateral y una ganancia residual.

Country Status (18)

Country Link
US (4) US11488609B2 (es)
EP (4) EP4167233A1 (es)
JP (5) JP7102427B2 (es)
KR (2) KR102291811B1 (es)
CN (4) CN116994592A (es)
AR (2) AR110146A1 (es)
AU (3) AU2017357454B2 (es)
CA (3) CA3127805C (es)
ES (2) ES2938244T3 (es)
FI (1) FI3539125T3 (es)
MX (2) MX387556B (es)
MY (1) MY196198A (es)
PL (2) PL3539126T3 (es)
PT (2) PT3539125T (es)
RU (2) RU2727799C1 (es)
TW (2) TWI664625B (es)
WO (2) WO2018086947A1 (es)
ZA (2) ZA201903534B (es)

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Also Published As

Publication number Publication date
US12100402B2 (en) 2024-09-24
US20190259395A1 (en) 2019-08-22
CN117676451A (zh) 2024-03-08
US20190259398A1 (en) 2019-08-22
TW201830379A (zh) 2018-08-16
KR20190072647A (ko) 2019-06-25
MX394773B (es) 2025-03-24
EP3539125A1 (en) 2019-09-18
JP2020500336A (ja) 2020-01-09
EP4167233A1 (en) 2023-04-19
ES2938244T3 (es) 2023-04-05
US11450328B2 (en) 2022-09-20
CA3042580C (en) 2022-05-03
KR102327767B1 (ko) 2021-11-17
RU2727799C1 (ru) 2020-07-24
AR110148A1 (es) 2019-02-27
EP3539125B1 (en) 2022-11-30
JP7443307B2 (ja) 2024-03-05
ES2834083T3 (es) 2021-06-16
TWI664625B (zh) 2019-07-01
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CA3045948A1 (en) 2018-05-17
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