TWI484477B - 參數性立體聲增混裝置、參數性立體聲解碼器、參數性立體聲降混裝置、參數性立體聲編碼器 - Google Patents

參數性立體聲增混裝置、參數性立體聲解碼器、參數性立體聲降混裝置、參數性立體聲編碼器 Download PDF

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TWI484477B
TWI484477B TW098116731A TW98116731A TWI484477B TW I484477 B TWI484477 B TW I484477B TW 098116731 A TW098116731 A TW 098116731A TW 98116731 A TW98116731 A TW 98116731A TW I484477 B TWI484477 B TW I484477B
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signal
parametric stereo
difference
mono
component
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TW098116731A
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TW201011736A (en
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Erik Gosuinus Petrus Schuijers
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Koninkl Philips Electronics Nv
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    • 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
    • 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
    • G10L19/008—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)
TW098116731A 2008-05-23 2009-05-20 參數性立體聲增混裝置、參數性立體聲解碼器、參數性立體聲降混裝置、參數性立體聲編碼器 TWI484477B (zh)

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EP08156801 2008-05-23

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TW201011736A TW201011736A (en) 2010-03-16
TWI484477B true TWI484477B (zh) 2015-05-11

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US (6) US8811621B2 (enExample)
EP (1) EP2283483B1 (enExample)
JP (1) JP5122681B2 (enExample)
KR (1) KR101629862B1 (enExample)
CN (1) CN102037507B (enExample)
BR (3) BR122020009727B1 (enExample)
MX (1) MX2010012580A (enExample)
RU (1) RU2497204C2 (enExample)
TW (1) TWI484477B (enExample)
WO (1) WO2009141775A1 (enExample)

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MX2010012580A (es) 2010-12-20
US20210274302A1 (en) 2021-09-02
KR20110020846A (ko) 2011-03-03
US10136237B2 (en) 2018-11-20
US12192734B2 (en) 2025-01-07
RU2010152580A (ru) 2012-06-27
WO2009141775A1 (en) 2009-11-26
BR122020009727B1 (pt) 2021-04-06
CN102037507B (zh) 2013-02-06
US20140321652A1 (en) 2014-10-30
KR101629862B1 (ko) 2016-06-24
US20240121567A1 (en) 2024-04-11
JP2011522472A (ja) 2011-07-28
EP2283483A1 (en) 2011-02-16
TW201011736A (en) 2010-03-16
BRPI0908630A8 (pt) 2017-12-12
JP5122681B2 (ja) 2013-01-16
US11019445B2 (en) 2021-05-25
BRPI0908630B1 (pt) 2020-09-15
US8811621B2 (en) 2014-08-19
CN102037507A (zh) 2011-04-27
BRPI0908630A2 (pt) 2017-10-03
US20190058960A1 (en) 2019-02-21
US11871205B2 (en) 2024-01-09
EP2283483B1 (en) 2013-03-13
US20170134875A1 (en) 2017-05-11
RU2497204C2 (ru) 2013-10-27
US20110096932A1 (en) 2011-04-28
BR122020009732B1 (pt) 2021-01-19
US9591425B2 (en) 2017-03-07

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