DK0709005T3 - Fremgangsmåde og apparat til beregningsmæssig, effektiv, adaptiv bitallokering for kodning. - Google Patents

Fremgangsmåde og apparat til beregningsmæssig, effektiv, adaptiv bitallokering for kodning.

Info

Publication number
DK0709005T3
DK0709005T3 DK94922585.8T DK94922585T DK0709005T3 DK 0709005 T3 DK0709005 T3 DK 0709005T3 DK 94922585 T DK94922585 T DK 94922585T DK 0709005 T3 DK0709005 T3 DK 0709005T3
Authority
DK
Denmark
Prior art keywords
allocation
function
subband signals
values
psychoacoustic
Prior art date
Application number
DK94922585.8T
Other languages
Danish (da)
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
Priority claimed from US08/145,975 external-priority patent/US5632003A/en
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of DK0709005T3 publication Critical patent/DK0709005T3/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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DK94922585.8T 1993-07-16 1994-07-18 Fremgangsmåde og apparat til beregningsmæssig, effektiv, adaptiv bitallokering for kodning. DK0709005T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9226993A 1993-07-16 1993-07-16
US08/145,975 US5632003A (en) 1993-07-16 1993-11-01 Computationally efficient adaptive bit allocation for coding method and apparatus

Publications (1)

Publication Number Publication Date
DK0709005T3 true DK0709005T3 (da) 1997-07-14

Family

ID=26785469

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94922585.8T DK0709005T3 (da) 1993-07-16 1994-07-18 Fremgangsmåde og apparat til beregningsmæssig, effektiv, adaptiv bitallokering for kodning.

Country Status (10)

Country Link
US (1) US5623577A (ja)
EP (1) EP0709005B1 (ja)
JP (1) JP3297051B2 (ja)
AT (1) ATE147909T1 (ja)
AU (1) AU694131B2 (ja)
CA (1) CA2166551C (ja)
DE (1) DE69401514T2 (ja)
DK (1) DK0709005T3 (ja)
ES (1) ES2096481T3 (ja)
WO (1) WO1995002930A1 (ja)

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Also Published As

Publication number Publication date
EP0709005B1 (en) 1997-01-15
DE69401514T2 (de) 1997-06-12
US5623577A (en) 1997-04-22
AU7364294A (en) 1995-02-13
AU694131B2 (en) 1998-07-16
ES2096481T3 (es) 1997-03-01
ATE147909T1 (de) 1997-02-15
DE69401514D1 (de) 1997-02-27
JPH09500503A (ja) 1997-01-14
WO1995002930A1 (en) 1995-01-26
CA2166551A1 (en) 1995-01-26
JP3297051B2 (ja) 2002-07-02
EP0709005A1 (en) 1996-05-01
CA2166551C (en) 2005-10-11

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