DE69023604D1 - Digitalsignalkodiergerät. - Google Patents

Digitalsignalkodiergerät.

Info

Publication number
DE69023604D1
DE69023604D1 DE69023604T DE69023604T DE69023604D1 DE 69023604 D1 DE69023604 D1 DE 69023604D1 DE 69023604 T DE69023604 T DE 69023604T DE 69023604 T DE69023604 T DE 69023604T DE 69023604 D1 DE69023604 D1 DE 69023604D1
Authority
DE
Germany
Prior art keywords
digital signal
signal encoder
encoder
digital
signal
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
DE69023604T
Other languages
English (en)
Other versions
DE69023604T2 (de
Inventor
Yoshihito Fujiwara
Tomoko Umezawa
Masayuki Nishiguchi
Makoto Akune
Naoto Iwahashi
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 JP1249835A external-priority patent/JP2906477B2/ja
Priority claimed from JP1278207A external-priority patent/JP2906483B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69023604D1 publication Critical patent/DE69023604D1/de
Publication of DE69023604T2 publication Critical patent/DE69023604T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE69023604T 1989-09-26 1990-09-25 Digitalsignalkodiergerät. Expired - Lifetime DE69023604T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1249835A JP2906477B2 (ja) 1989-09-26 1989-09-26 ディジタル信号符号化方法
JP1278207A JP2906483B2 (ja) 1989-10-25 1989-10-25 ディジタル音声データの高能率符号化方法及びディジタル音声データの復号化装置

Publications (2)

Publication Number Publication Date
DE69023604D1 true DE69023604D1 (de) 1995-12-21
DE69023604T2 DE69023604T2 (de) 1996-04-18

Family

ID=26539517

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69023604T Expired - Lifetime DE69023604T2 (de) 1989-09-26 1990-09-25 Digitalsignalkodiergerät.

Country Status (4)

Country Link
US (2) US5115240A (de)
EP (1) EP0420745B1 (de)
KR (1) KR100242864B1 (de)
DE (1) DE69023604T2 (de)

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JP3233234B2 (ja) * 1992-09-07 2001-11-26 ソニー株式会社 ディスク記録装置
JP3508146B2 (ja) * 1992-09-11 2004-03-22 ソニー株式会社 ディジタル信号符号化復号化装置、ディジタル信号符号化装置及びディジタル信号復号化装置
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JP3343962B2 (ja) * 1992-11-11 2002-11-11 ソニー株式会社 高能率符号化方法及び装置
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Also Published As

Publication number Publication date
USRE36559E (en) 2000-02-08
KR100242864B1 (ko) 2000-02-01
DE69023604T2 (de) 1996-04-18
US5115240A (en) 1992-05-19
EP0420745B1 (de) 1995-11-15
EP0420745A2 (de) 1991-04-03
EP0420745A3 (en) 1992-08-19
KR910007293A (ko) 1991-04-30

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