KR870010731A - 동기 시스템 - Google Patents

동기 시스템 Download PDF

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Publication number
KR870010731A
KR870010731A KR870003424A KR870003424A KR870010731A KR 870010731 A KR870010731 A KR 870010731A KR 870003424 A KR870003424 A KR 870003424A KR 870003424 A KR870003424 A KR 870003424A KR 870010731 A KR870010731 A KR 870010731A
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KR
South Korea
Prior art keywords
digital
signal
digital signal
data
multiplexer
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KR870003424A
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English (en)
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KR960004578B1 (ko
Inventor
다로 나까가미
다께시 후까미
도시로 데라우찌
Original Assignee
오오가 노리오
소니 가부시끼 가이샤
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Publication of KR870010731A publication Critical patent/KR870010731A/ko
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Publication of KR960004578B1 publication Critical patent/KR960004578B1/ko

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1262—Formatting, e.g. arrangement of data block or words on the record carriers with more than one format/standard, e.g. conversion from CD-audio format to R-DAT format
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/002—Programmed access in sequence to a plurality of record carriers or indexed parts, e.g. tracks, thereof, e.g. for editing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
    • G11B20/1211—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with different data track configurations
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B20/1251—Formatting, e.g. arrangement of data block or words on the record carriers on discs for continuous data, e.g. digitised analog information signals, pulse code modulated [PCM] data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10546—Audio or video recording specifically adapted for audio data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/213—Read-only discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G11B2220/91—Helical scan format, wherein tracks are slightly tilted with respect to tape direction, e.g. VHS, DAT, DVC, AIT or exabyte
    • G11B2220/913—Digital audio tape [DAT] format

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

내용 없음

Description

동기 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1A도 내지 1E도는 본 발명에 따른 디지탈 신호 멀티플렉서에 의해 재생된 디지탈 신호의 포맷을 각각 도시한 도면.
제2도는 본 발명에 대한 실시예의 회로구성을 도시한 회로 블럭선도.

Claims (10)

  1. 다수의 디지탈 신호 재생기에 사용하기 위한 동기 시스템으로서,
    1) 디지탈 I/O 변조기, 디지탈 I/O 복조기 및 디코더를 각각 구비하는 다수의 디지탈 신호 재생기.
    2) 상기 다수의 디지탈 신호 재생기로부터 나온 출력신호가 공급되어 프레임 동기신호, 다채널 디지탈 신호를 발생하며, 클럭 펄스 및 워드 동기신호를 발생하는 수단, 디지탈 I/O 변조기 및 디지탈 I/O복조기를 포함하는 디지탈 신호 멀티플렉서,
    3) 상기 디지탈 신호 멀티플렉서의 디지탈 I/O 변조기 및 상기 다수의 디지탈 신호 재생기의 디지탈 I/O복조기 각각를 인터페이스하여 복조된 클럭 펄스 및 워드 동기신호를 디코더 각각에 공급하는 회로 접속수단 및,
    4) 상기 다수의 디지탈 신호 재생기의 디지탈 I/O 변조기 각각 및 상기 디지탈 신호 멀티플렉서의 디지탈 I/O복조기를 인터페이스하여 상기 디코더에서 디코드된 데이타를 상기 디지탈 신호 멀티플렉서로 전송하는 회로 접속수단을 구비하는 것을 특징으로 하는 동기 시스템.
  2. 제 1 항에 있어서,
    상기 디지탈 신호 멀티플렉서는,
    1) 워드 동기신호,
    2) 전송모드를 표시하는 서비스 비트신호 및
    3) 다채널 디지탈 데이타를 포함한 프레임 포맷으로 배열된 시분할 멀티플렉스된 디지탈 신호를 발생하여, 상기 다수의 디지재 생기로부터 나온 디지탈 신호가 상기 서비스 비트 신호에 의해 정해져 멀티플렉서 되는 것을 특징으로 하는 동기 시스템.
  3. 제 2 항에 있어서,
    다채널 디지탈 데이타중 최소한 하나는 44.1KHz로 샘플되며 16비트로 코드화된 오디오 디지탈 신호의 L,R채널을 포함하는 것을 특징으로 하는 동기 시스템.
  4. 제 2 항에 있어서,
    다채널 디지탈 데이타중 최소한 하나는 각각 44.1KHz로 샘플되며 8비트로 코드화된 오디오 디지탈 신호의 L,R채널을 포함하는 것을 특징으로 하는 동기 시스템.
  5. 제 2 항에 있어서,
    다채널 디지탈 데이타중 최소한 하나는 컴퓨터 프로그램을 포함하는 것을 특징으로 하는 동기 시스템.
  6. 제 2 항에 있어서,
    상기 디지탈 신호 멀티플렉서의 디지탈 I/변복조기는 상기 발생수단으로부터 나온 상기 워드 동기 신호, 오디오 데이타 및 제어 데이타를 포함한 디지탈 포맷신호를 발생하는 것을 특징으로 하는 동기 시스템.
  7. 제 6 항에 있어서,
    상기 오디오 데이타는 2상 표시로 변조되는 것을 특징으로 하는 동기 시스템.
  8. 제 2 항에 있어서,
    디지탈 재생기 각각의 상기 디지탈 I/O복조기는 상기 워드 동기 신호 및 상기 오디오 데이타로부터 나온 클럭 펄스 신호를 복조하여 동인 디코더에 공급하는 것을 특징으로 하는 동기 시스템.
  9. 제 8 항에 있어서,
    디지탈 신호 재생기 각각의 디지탈 I/O변조기는 워드 동기 신호, 디지탈 오디오 데이타 및 제어 데이타를 포함한 디자탈 포맷 신호를 발생하는 것을 특징으로 하는 동기 시스템.
  10. 제 9 항에 있어서,
    상기 디지탈 신호 멀티플렉서의 디지탈 I/O복조기는 상기 다수의 디지탈 신호 재생기 각각의 디지탈 I/O변조기로부터 나온 상기 디지탈 오디오 데아타를 복조하는 것을 특징으로 하는 동기 시스템.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870003424A 1986-04-10 1987-04-10 동기 시스템 KR960004578B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61082550A JPH087941B2 (ja) 1986-04-10 1986-04-10 デジタル再生機器の同期方法
JP82550 1986-04-10

Publications (2)

Publication Number Publication Date
KR870010731A true KR870010731A (ko) 1987-11-30
KR960004578B1 KR960004578B1 (ko) 1996-04-09

Family

ID=13777608

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870003424A KR960004578B1 (ko) 1986-04-10 1987-04-10 동기 시스템

Country Status (9)

Country Link
US (1) US4876719A (ko)
EP (1) EP0242121B1 (ko)
JP (1) JPH087941B2 (ko)
KR (1) KR960004578B1 (ko)
CN (1) CN1010072B (ko)
AU (1) AU596835B2 (ko)
CA (1) CA1284220C (ko)
DE (1) DE3781448T2 (ko)
HK (1) HK95795A (ko)

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Also Published As

Publication number Publication date
AU7106887A (en) 1987-10-15
EP0242121A3 (en) 1989-07-26
AU596835B2 (en) 1990-05-17
HK95795A (en) 1995-06-23
CN1010072B (zh) 1990-10-17
JPS62239472A (ja) 1987-10-20
DE3781448D1 (de) 1992-10-08
DE3781448T2 (de) 1993-03-18
US4876719A (en) 1989-10-24
CA1284220C (en) 1991-05-14
CN87103190A (zh) 1987-12-02
EP0242121A2 (en) 1987-10-21
KR960004578B1 (ko) 1996-04-09
EP0242121B1 (en) 1992-09-02
JPH087941B2 (ja) 1996-01-29

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