KR100828952B1 - 저 비트속도 공간 코딩방법 및 시스템 - Google Patents

저 비트속도 공간 코딩방법 및 시스템 Download PDF

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Publication number
KR100828952B1
KR100828952B1 KR1020007011123A KR20007011123A KR100828952B1 KR 100828952 B1 KR100828952 B1 KR 100828952B1 KR 1020007011123 A KR1020007011123 A KR 1020007011123A KR 20007011123 A KR20007011123 A KR 20007011123A KR 100828952 B1 KR100828952 B1 KR 100828952B1
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South Korea
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signal
subband
decoder
information
output channels
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Korean (ko)
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KR20010042497A (ko
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레이밀톤돌비
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돌비 레버러토리즈 라이쎈싱 코오포레이션
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • 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
    • 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
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • 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)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Communication Control (AREA)
  • Error Detection And Correction (AREA)
KR1020007011123A 1998-04-07 1999-04-05 저 비트속도 공간 코딩방법 및 시스템 Expired - Fee Related KR100828952B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/056,503 1998-04-07
US09/056,503 US6016473A (en) 1998-04-07 1998-04-07 Low bit-rate spatial coding method and system
US9/056,503 1998-04-07

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020077001117A Division KR20070017441A (ko) 1998-04-07 1999-04-05 저 비트속도 공간 코딩방법 및 시스템

Publications (2)

Publication Number Publication Date
KR20010042497A KR20010042497A (ko) 2001-05-25
KR100828952B1 true KR100828952B1 (ko) 2008-05-13

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KR1020007011123A Expired - Fee Related KR100828952B1 (ko) 1998-04-07 1999-04-05 저 비트속도 공간 코딩방법 및 시스템

Country Status (13)

Country Link
US (1) US6016473A (enExample)
EP (2) EP1677576A3 (enExample)
JP (1) JP2002511683A (enExample)
KR (1) KR100828952B1 (enExample)
CN (1) CN1142705C (enExample)
AT (1) ATE343311T1 (enExample)
AU (1) AU749062B2 (enExample)
CA (1) CA2327281C (enExample)
DE (1) DE69933659T2 (enExample)
DK (1) DK1070438T3 (enExample)
ES (1) ES2272062T3 (enExample)
TW (1) TW439051B (enExample)
WO (1) WO1999052326A1 (enExample)

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Also Published As

Publication number Publication date
TW439051B (en) 2001-06-07
HK1036728A1 (en) 2002-01-11
EP1677576A2 (en) 2006-07-05
AU749062B2 (en) 2002-06-20
EP1070438A1 (en) 2001-01-24
ES2272062T3 (es) 2007-04-16
DE69933659D1 (de) 2006-11-30
DE69933659T2 (de) 2007-08-23
CA2327281A1 (en) 1999-10-14
CN1295778A (zh) 2001-05-16
AU3382999A (en) 1999-10-25
WO1999052326A1 (en) 1999-10-14
ATE343311T1 (de) 2006-11-15
DK1070438T3 (da) 2007-02-12
CN1142705C (zh) 2004-03-17
JP2002511683A (ja) 2002-04-16
EP1677576A3 (en) 2007-06-27
CA2327281C (en) 2008-02-05
US6016473A (en) 2000-01-18
KR20010042497A (ko) 2001-05-25
EP1070438B1 (en) 2006-10-18

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