RU2497204C2 - Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер - Google Patents

Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер Download PDF

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RU2497204C2
RU2497204C2 RU2010152580/08A RU2010152580A RU2497204C2 RU 2497204 C2 RU2497204 C2 RU 2497204C2 RU 2010152580/08 A RU2010152580/08 A RU 2010152580/08A RU 2010152580 A RU2010152580 A RU 2010152580A RU 2497204 C2 RU2497204 C2 RU 2497204C2
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monophonic
difference
mix
parametric
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Эрик Г. П. СХЕЙЕРС
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Конинклейке Филипс Электроникс Н.В.
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • 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
    • 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
    • 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 
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
RU2010152580/08A 2008-05-23 2009-05-14 Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер RU2497204C2 (ru)

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EP08156801 2008-05-23
EP08156801.6 2008-05-23
PCT/IB2009/052009 WO2009141775A1 (en) 2008-05-23 2009-05-14 A parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder

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EP (1) EP2283483B1 (enExample)
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KR (1) KR101629862B1 (enExample)
CN (1) CN102037507B (enExample)
BR (3) BRPI0908630B1 (enExample)
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US11838743B2 (en) 2018-12-07 2023-12-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to DirAC based spatial audio coding using diffuse compensation

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US11838743B2 (en) 2018-12-07 2023-12-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to DirAC based spatial audio coding using diffuse compensation
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US12369008B2 (en) 2018-12-07 2025-07-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to DirAC based spatial audio coding using low-order, mid-order and high-order components generators
US12418768B2 (en) 2018-12-07 2025-09-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to DirAC based spatial audio coding using diffuse compensation

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US20210274302A1 (en) 2021-09-02
WO2009141775A1 (en) 2009-11-26
US10136237B2 (en) 2018-11-20
JP2011522472A (ja) 2011-07-28
KR20110020846A (ko) 2011-03-03
US12192734B2 (en) 2025-01-07
US11019445B2 (en) 2021-05-25
US11871205B2 (en) 2024-01-09
JP5122681B2 (ja) 2013-01-16
EP2283483A1 (en) 2011-02-16
US20170134875A1 (en) 2017-05-11
BRPI0908630B1 (pt) 2020-09-15
US20240121567A1 (en) 2024-04-11
TW201011736A (en) 2010-03-16
MX2010012580A (es) 2010-12-20
BR122020009732B1 (pt) 2021-01-19
CN102037507B (zh) 2013-02-06
US20190058960A1 (en) 2019-02-21
BRPI0908630A2 (pt) 2017-10-03
BRPI0908630A8 (pt) 2017-12-12
US20140321652A1 (en) 2014-10-30
US20110096932A1 (en) 2011-04-28
US9591425B2 (en) 2017-03-07
BR122020009727B1 (pt) 2021-04-06
KR101629862B1 (ko) 2016-06-24
US8811621B2 (en) 2014-08-19
TWI484477B (zh) 2015-05-11

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