DE69232251T2 - Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung - Google Patents

Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung

Info

Publication number
DE69232251T2
DE69232251T2 DE69232251T DE69232251T DE69232251T2 DE 69232251 T2 DE69232251 T2 DE 69232251T2 DE 69232251 T DE69232251 T DE 69232251T DE 69232251 T DE69232251 T DE 69232251T DE 69232251 T2 DE69232251 T2 DE 69232251T2
Authority
DE
Germany
Prior art keywords
bits
critical bands
allocated
input signal
digital
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69232251T
Other languages
English (en)
Other versions
DE69232251D1 (de
Inventor
Kenzo Akagiri
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony 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 JP03216216A external-priority patent/JP3134383B2/ja
Priority claimed from JP03216217A external-priority patent/JP3134384B2/ja
Priority claimed from JP3271774A external-priority patent/JPH05114863A/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69232251D1 publication Critical patent/DE69232251D1/de
Publication of DE69232251T2 publication Critical patent/DE69232251T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/66Details 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
    • H04B1/665Details 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
DE69232251T 1991-08-02 1992-07-31 Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung Expired - Lifetime DE69232251T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP03216216A JP3134383B2 (ja) 1991-08-02 1991-08-02 ディジタルデータの高能率符号化方法及び装置
JP03216217A JP3134384B2 (ja) 1991-08-02 1991-08-02 符号化装置及び方法
JP3271774A JPH05114863A (ja) 1991-08-27 1991-08-27 高能率符号化装置及び復号化装置

Publications (2)

Publication Number Publication Date
DE69232251D1 DE69232251D1 (de) 2002-01-17
DE69232251T2 true DE69232251T2 (de) 2002-07-18

Family

ID=27329853

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69232251T Expired - Lifetime DE69232251T2 (de) 1991-08-02 1992-07-31 Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung

Country Status (7)

Country Link
US (2) US5664056A (de)
EP (2) EP0805564A3 (de)
AT (1) ATE210347T1 (de)
AU (1) AU665200B2 (de)
CA (1) CA2075156A1 (de)
DE (1) DE69232251T2 (de)
ES (1) ES2164640T3 (de)

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Also Published As

Publication number Publication date
AU665200B2 (en) 1995-12-21
DE69232251D1 (de) 2002-01-17
CA2075156A1 (en) 1993-02-03
US5664056A (en) 1997-09-02
EP0525809A3 (en) 1993-08-18
EP0805564A3 (de) 1999-10-13
ATE210347T1 (de) 2001-12-15
AU2071692A (en) 1993-02-04
ES2164640T3 (es) 2002-03-01
EP0805564A2 (de) 1997-11-05
EP0525809B1 (de) 2001-12-05
EP0525809A2 (de) 1993-02-03
US5621856A (en) 1997-04-15

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