DK0709004T3 - Hybrid adaptiv allokering for audiokoder og -dekoder - Google Patents

Hybrid adaptiv allokering for audiokoder og -dekoder

Info

Publication number
DK0709004T3
DK0709004T3 DK94922554.4T DK94922554T DK0709004T3 DK 0709004 T3 DK0709004 T3 DK 0709004T3 DK 94922554 T DK94922554 T DK 94922554T DK 0709004 T3 DK0709004 T3 DK 0709004T3
Authority
DK
Denmark
Prior art keywords
allocation
psd
input signal
subband signals
audio
Prior art date
Application number
DK94922554.4T
Other languages
English (en)
Inventor
Louis Dunn Fielder
Mark Franklin Davis
Craig Campbell Todd
Grant Allen Davidson
Brian David Link
Original Assignee
Dolby Lab Licensing Corp
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.)
Filing date
Publication date
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of DK0709004T3 publication Critical patent/DK0709004T3/da

Links

Classifications

    • 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
    • H04B1/665—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 psychoacoustic properties of the ear, e.g. masking effect
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stereophonic System (AREA)
DK94922554.4T 1993-07-16 1994-07-14 Hybrid adaptiv allokering for audiokoder og -dekoder DK0709004T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9226993A 1993-07-16 1993-07-16

Publications (1)

Publication Number Publication Date
DK0709004T3 true DK0709004T3 (da) 1997-03-10

Family

ID=22232469

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94922554.4T DK0709004T3 (da) 1993-07-16 1994-07-14 Hybrid adaptiv allokering for audiokoder og -dekoder

Country Status (11)

Country Link
US (1) US5632003A (da)
EP (1) EP0709004B1 (da)
JP (1) JP3804968B2 (da)
AT (1) ATE147908T1 (da)
AU (1) AU677856B2 (da)
CA (1) CA2164964C (da)
DE (1) DE69401512T2 (da)
DK (1) DK0709004T3 (da)
ES (1) ES2097057T3 (da)
SG (2) SG47116A1 (da)
WO (1) WO1995002928A1 (da)

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Also Published As

Publication number Publication date
JP3804968B2 (ja) 2006-08-02
SG47116A1 (en) 1998-03-20
ATE147908T1 (de) 1997-02-15
EP0709004B1 (en) 1997-01-15
CA2164964A1 (en) 1995-01-26
WO1995002928A1 (en) 1995-01-26
CA2164964C (en) 2005-10-11
ES2097057T3 (es) 1997-03-16
JPH09500772A (ja) 1997-01-21
DE69401512T2 (de) 1997-06-12
DE69401512D1 (de) 1997-02-27
AU7362194A (en) 1995-02-13
EP0709004A1 (en) 1996-05-01
US5632003A (en) 1997-05-20
SG54317A1 (en) 1998-11-16
AU677856B2 (en) 1997-05-08

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