KR920019109A - 디지탈 신호 부호화장치 - Google Patents

디지탈 신호 부호화장치 Download PDF

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Publication number
KR920019109A
KR920019109A KR1019920004795A KR920004795A KR920019109A KR 920019109 A KR920019109 A KR 920019109A KR 1019920004795 A KR1019920004795 A KR 1019920004795A KR 920004795 A KR920004795 A KR 920004795A KR 920019109 A KR920019109 A KR 920019109A
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KR
South Korea
Prior art keywords
digital signal
signal coding
coding device
frequency band
block
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KR1019920004795A
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English (en)
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KR100279094B1 (ko
Inventor
요시아끼 오이까와
Original Assignee
오오가 노리오
소니 가부시끼가이샤
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Publication of KR920019109A publication Critical patent/KR920019109A/ko
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Publication of KR100279094B1 publication Critical patent/KR100279094B1/ko

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    • 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
    • H04B1/665—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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

내용 없음

Description

디지탈 신호 부호화장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 한 실시예에 의한 디지탈 신호 부호화 장치의 일부 구성을 개략적으로 나타내는 블럭 회로도,
제2도는 실시예의 동작을 설명하기 위한 주파수 스펙트럼도,
제3도는 실시예의 다른 동작을 설명하기 위한 주파수 스펙트럼도.

Claims (1)

  1. 입력된 주파수축상의 디지탈 신호를 소정 주파수 대역마다 블럭화하여 프로팅 처리하여 부호화하는 디지탈 신호부호화 장치에 있어서, 상기 소정 주파수 대역을 더욱 소블럭으로 분할하고, 이 분할된 각 소블럭마다의 프로팅 처리의 지표를 비교하여 그 차이가 일정치 이상될때, 상기 소 블럭 단위로서 프로팅 처리하는 것을 특징으로 하는 디지탈 신호 부호화 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920004795A 1991-03-30 1992-03-25 디지털신호부호화장치 KR100279094B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP03092738A JP3134337B2 (ja) 1991-03-30 1991-03-30 ディジタル信号符号化方法
JP91-092738 1991-03-30

Publications (2)

Publication Number Publication Date
KR920019109A true KR920019109A (ko) 1992-10-22
KR100279094B1 KR100279094B1 (ko) 2001-01-15

Family

ID=14062763

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920004795A KR100279094B1 (ko) 1991-03-30 1992-03-25 디지털신호부호화장치

Country Status (6)

Country Link
US (1) US5264846A (ko)
EP (1) EP0507499B1 (ko)
JP (1) JP3134337B2 (ko)
KR (1) KR100279094B1 (ko)
AT (1) ATE166505T1 (ko)
DE (1) DE69225524T2 (ko)

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Also Published As

Publication number Publication date
EP0507499A2 (en) 1992-10-07
EP0507499B1 (en) 1998-05-20
US5264846A (en) 1993-11-23
ATE166505T1 (de) 1998-06-15
EP0507499A3 (ko) 1994-05-04
DE69225524D1 (de) 1998-06-25
DE69225524T2 (de) 1998-09-17
KR100279094B1 (ko) 2001-01-15
JP3134337B2 (ja) 2001-02-13
JPH04304031A (ja) 1992-10-27

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