PL3025515T3 - Wielokanałowy dekoder audio, wielokanałowy koder audio, sposoby, program komputerowy i zakodowana reprezentacja audio z użyciem dekorelacji renderowanych sygnałów audio - Google Patents

Wielokanałowy dekoder audio, wielokanałowy koder audio, sposoby, program komputerowy i zakodowana reprezentacja audio z użyciem dekorelacji renderowanych sygnałów audio

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Publication number
PL3025515T3
PL3025515T3 PL14741278T PL14741278T PL3025515T3 PL 3025515 T3 PL3025515 T3 PL 3025515T3 PL 14741278 T PL14741278 T PL 14741278T PL 14741278 T PL14741278 T PL 14741278T PL 3025515 T3 PL3025515 T3 PL 3025515T3
Authority
PL
Poland
Prior art keywords
decorrelator
channel
premix
methods
computer program
Prior art date
Application number
PL14741278T
Other languages
English (en)
Inventor
Sascha Disch
Harald Fuchs
Oliver Hellmuth
Jürgen HERRE
Adrian Murtaza
Jouni PAULUS
Falko Ridderbusch
Leon Terentiv
Original Assignee
Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V.
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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 PL3025515T3 publication Critical patent/PL3025515T3/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
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • 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
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • 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)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
PL14741278T 2013-07-22 2014-07-17 Wielokanałowy dekoder audio, wielokanałowy koder audio, sposoby, program komputerowy i zakodowana reprezentacja audio z użyciem dekorelacji renderowanych sygnałów audio PL3025515T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP13177374 2013-07-22
EP20130189339 EP2830333A1 (en) 2013-07-22 2013-10-18 Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
PCT/EP2014/065395 WO2015011014A1 (en) 2013-07-22 2014-07-17 Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
EP14741278.7A EP3025515B1 (en) 2013-07-22 2014-07-17 Multi-channel decorrelator, multi-channel audio decoder, methods and computer program using a premix of decorrelator input signals

Publications (1)

Publication Number Publication Date
PL3025515T3 true PL3025515T3 (pl) 2019-08-30

Family

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PL14741278T PL3025515T3 (pl) 2013-07-22 2014-07-17 Wielokanałowy dekoder audio, wielokanałowy koder audio, sposoby, program komputerowy i zakodowana reprezentacja audio z użyciem dekorelacji renderowanych sygnałów audio

Country Status (19)

Country Link
US (6) US11115770B2 (pl)
EP (5) EP2830333A1 (pl)
JP (3) JP6434013B2 (pl)
KR (1) KR101893410B1 (pl)
CN (1) CN105580390B (pl)
AR (2) AR097015A1 (pl)
AU (2) AU2014295206B2 (pl)
BR (1) BR112016001245B1 (pl)
CA (1) CA2919077C (pl)
ES (3) ES2725427T3 (pl)
MX (3) MX362548B (pl)
MY (1) MY178904A (pl)
PL (1) PL3025515T3 (pl)
PT (1) PT3025515T (pl)
RU (1) RU2666640C2 (pl)
SG (1) SG11201600491SA (pl)
TW (1) TWI587285B (pl)
WO (1) WO2015011014A1 (pl)
ZA (1) ZA201601047B (pl)

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TW201532034A (zh) 2015-08-16
JP7000488B2 (ja) 2022-01-19
US20160157039A1 (en) 2016-06-02
AR097015A1 (es) 2016-02-10
MX362548B (es) 2019-01-24
EP3025515B1 (en) 2019-02-13
TWI587285B (zh) 2017-06-11
US20160316307A1 (en) 2016-10-27
CN105580390A (zh) 2016-05-11
MX2018012892A (es) 2020-09-17
US10448185B2 (en) 2019-10-15
MX2016000915A (es) 2016-05-31
WO2015011014A1 (en) 2015-01-29
MY178904A (en) 2020-10-22
SG11201600491SA (en) 2016-02-26
JP2020120389A (ja) 2020-08-06
AU2017248532B2 (en) 2019-09-19
AU2014295206B2 (en) 2017-11-02
KR20160042913A (ko) 2016-04-20
EP3419314B1 (en) 2022-04-27
CA2919077A1 (en) 2015-01-29
BR112016001245B1 (pt) 2022-06-21
EP3419314A1 (en) 2018-12-26
RU2666640C2 (ru) 2018-09-11
ES2725427T3 (es) 2019-09-24
US11240619B2 (en) 2022-02-01
ES2925038T3 (es) 2022-10-13
CA2919077C (en) 2019-07-09
MX2018012891A (es) 2020-11-06
US11381925B2 (en) 2022-07-05
RU2016105468A (ru) 2017-08-29
EP3419315A1 (en) 2018-12-26
US20160353222A1 (en) 2016-12-01
AU2017248532A1 (en) 2017-11-09
AR097014A1 (es) 2016-02-10
US11115770B2 (en) 2021-09-07
US11252523B2 (en) 2022-02-15
EP3025515A1 (en) 2016-06-01
US20220167102A1 (en) 2022-05-26
BR112016001245A2 (pl) 2017-07-25
JP2018198434A (ja) 2018-12-13
ZA201601047B (en) 2017-11-29
PT3025515T (pt) 2019-05-30
CN105580390B (zh) 2018-06-12
JP6687683B2 (ja) 2020-04-28
US20160240199A1 (en) 2016-08-18
EP3419315B1 (en) 2022-05-04
AU2014295206A1 (en) 2016-03-10
JP6434013B2 (ja) 2018-12-05
JP2016531482A (ja) 2016-10-06
KR101893410B1 (ko) 2018-10-04
EP2830334A1 (en) 2015-01-28
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EP2830333A1 (en) 2015-01-28
US20190124459A1 (en) 2019-04-25

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