PL3539125T3 - Urządzenie i sposób do kodowania lub dekodowania sygnału wielokanałowego przy wykorzystaniu wzmocnienia pomocniczego i wzmocnienia resztkowego - Google Patents

Urządzenie i sposób do kodowania lub dekodowania sygnału wielokanałowego przy wykorzystaniu wzmocnienia pomocniczego i wzmocnienia resztkowego

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Publication number
PL3539125T3
PL3539125T3 PL17791414.0T PL17791414T PL3539125T3 PL 3539125 T3 PL3539125 T3 PL 3539125T3 PL 17791414 T PL17791414 T PL 17791414T PL 3539125 T3 PL3539125 T3 PL 3539125T3
Authority
PL
Poland
Prior art keywords
gain
decoding
encoding
multichannel signal
residual
Prior art date
Application number
PL17791414.0T
Other languages
English (en)
Inventor
Jan Büthe
Guillaume Fuchs
Wolfgang JÄGERS
Franz REUTELHUBER
Jürgen HERRE
Eleni FOTOPOULOU
Markus Multrus
Srikanth KORSE
Original Assignee
Fraunhofer-Gesellschaft zur Förderung 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.)
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Publication date
Application filed by Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. filed Critical Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Publication of PL3539125T3 publication Critical patent/PL3539125T3/pl

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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)
  • Acoustics & Sound (AREA)
  • Signal Processing (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)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (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)
PL17791414.0T 2016-11-08 2017-10-30 Urządzenie i sposób do kodowania lub dekodowania sygnału wielokanałowego przy wykorzystaniu wzmocnienia pomocniczego i wzmocnienia resztkowego PL3539125T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16197816 2016-11-08
PCT/EP2017/077822 WO2018086947A1 (en) 2016-11-08 2017-10-30 Apparatus and method for encoding or decoding a multichannel signal using a side gain and a residual gain

Publications (1)

Publication Number Publication Date
PL3539125T3 true PL3539125T3 (pl) 2023-05-15

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PL17791415T PL3539126T3 (pl) 2016-11-08 2017-10-30 Urządzenie i sposób downmiksu lub upmiksu sygnału wielokanałowego przy wykorzystaniu kompensacji fazy
PL17791414.0T PL3539125T3 (pl) 2016-11-08 2017-10-30 Urządzenie i sposób do kodowania lub dekodowania sygnału wielokanałowego przy wykorzystaniu wzmocnienia pomocniczego i wzmocnienia resztkowego

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Country Status (18)

Country Link
US (4) US11488609B2 (pl)
EP (4) EP3539126B1 (pl)
JP (5) JP7008716B2 (pl)
KR (2) KR102327767B1 (pl)
CN (4) CN117676451A (pl)
AR (2) AR110146A1 (pl)
AU (3) AU2017357454B2 (pl)
CA (3) CA3127805C (pl)
ES (2) ES2834083T3 (pl)
FI (1) FI3539125T3 (pl)
MX (2) MX387556B (pl)
MY (1) MY196198A (pl)
PL (2) PL3539126T3 (pl)
PT (2) PT3539125T (pl)
RU (2) RU2727799C1 (pl)
TW (2) TWI669705B (pl)
WO (2) WO2018086947A1 (pl)
ZA (2) ZA201903535B (pl)

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PL3539126T3 (pl) 2021-04-06
CA3045948A1 (en) 2018-05-17
KR20190082870A (ko) 2019-07-10
CA3045948C (en) 2023-09-19
EP3761311A1 (en) 2021-01-06
CA3127805C (en) 2023-12-19
RU2725178C1 (ru) 2020-06-30
US20190259395A1 (en) 2019-08-22
CA3127805A1 (en) 2018-05-17
JP2022003405A (ja) 2022-01-11
KR102327767B1 (ko) 2021-11-17
JP2019536112A (ja) 2019-12-12
TW201830379A (zh) 2018-08-16
CN110100279B (zh) 2024-03-08
PT3539126T (pt) 2020-12-24
AR110148A1 (es) 2019-02-27
JP7520074B2 (ja) 2024-07-22
US20190259398A1 (en) 2019-08-22
MY196198A (en) 2023-03-22
US12243541B2 (en) 2025-03-04
WO2018086947A1 (en) 2018-05-17
CA3042580C (en) 2022-05-03
MX387556B (es) 2025-03-18
JP2022132345A (ja) 2022-09-08
ES2938244T3 (es) 2023-04-05
WO2018086948A1 (en) 2018-05-17
EP3539125A1 (en) 2019-09-18
TWI669705B (zh) 2019-08-21
AU2021202390A1 (en) 2021-05-20
PT3539125T (pt) 2023-01-27
KR102291811B1 (ko) 2021-08-23
US20220293111A1 (en) 2022-09-15
JP7443307B2 (ja) 2024-03-05
ZA201903534B (en) 2021-04-28
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US11488609B2 (en) 2022-11-01
JP2020500336A (ja) 2020-01-09
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BR112019009315A2 (pt) 2019-07-30
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BR112019009318A2 (pt) 2019-07-30
AU2017357454A1 (en) 2019-06-27
EP3539125B1 (en) 2022-11-30
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CA3042580A1 (en) 2018-05-17
ZA201903535B (en) 2021-04-28
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