KR960019072A - 디지탈 데이타 기록 및 재생 장치 및 방법 - Google Patents

디지탈 데이타 기록 및 재생 장치 및 방법 Download PDF

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KR960019072A
KR960019072A KR1019950042147A KR19950042147A KR960019072A KR 960019072 A KR960019072 A KR 960019072A KR 1019950042147 A KR1019950042147 A KR 1019950042147A KR 19950042147 A KR19950042147 A KR 19950042147A KR 960019072 A KR960019072 A KR 960019072A
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South Korea
Prior art keywords
data packet
recording
play area
variable
trick play
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KR1019950042147A
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English (en)
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KR100378248B1 (ko
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나오후미 야나기하라
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이데이 노부유키
소니 가부시키가이샤
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Publication of KR960019072A publication Critical patent/KR960019072A/ko
Application granted granted Critical
Publication of KR100378248B1 publication Critical patent/KR100378248B1/ko

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4135—Peripherals receiving signals from specially adapted client devices external recorder
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/125—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams conditioned by the operating function of the apparatus
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808—Driving of both record carrier and head
    • G11B15/1875—Driving of both record carrier and head adaptations for special effects or editing
    • G—PHYSICS
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    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
    • G11B15/473—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads
    • G11B15/4731—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads control of headwheel rotation
    • G11B15/4733—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads control of headwheel rotation with provision for information tracking, e.g. for time base correction
    • G—PHYSICS
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    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/005—Reproducing at a different information rate from the information rate of recording
    • G—PHYSICS
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    • 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
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    • H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
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    • G11B15/4676—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating with provision for information tracking using signals recorded in tracks disposed in parallel with the scanning direction
    • G11B15/4677—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating with provision for information tracking using signals recorded in tracks disposed in parallel with the scanning direction using auxiliary signals, i.e. pilot signals
    • G11B15/4678—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating with provision for information tracking using signals recorded in tracks disposed in parallel with the scanning direction using auxiliary signals, i.e. pilot signals superimposed on the main signal track
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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

디지탈 VTR은 정상 모드와 가변 속도 재생 모드에서 기록된 화상 영상을 재생할 수 있다. 정상 속도 재생 동안, 디지탈 VTR은 기록 매체의 정상 플레이 영역에 기록된 데이타로부터 기록된 화상을 재생한다. 디지탈 VTR이 가변 저속 재생 모드에 있을 때, 제1트릭 플레이 영역에 기록된 데이타로부터 화상을 재생한다. 디지탈 VTR이 가변 고속 재생 모드에 있을 때, 제2트릭 플레이 영역에 기록된 데이타로부터 화상을 재생한다. 제1 및 제2트릭 플레이 영역은 다른 방위각에 대응하는 각각의 트랙에 위치한다.

Description

디지탈 데이타 기록 및 재생 장치 및 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 디지탈 VTR 기록 시스템 도시도,
제2도는 전달 패킷의 데이타 포맷 사시도,
제3도는 전달 패킷에 시간 정보를 가산하는 회로도.

Claims (18)

  1. 데이타 패킷을 테이프에 기록하는 디지탈 데이타 기록 장치에 있어서, 기준 클럭과; 상기 기준 클럭과 통신하여 상기 데이타 패킷이 상기 기록 장치에 도착할 때 상기 기준 클럭에 기초하여 시간을 발생하는 시간 발생 수단과; 상기 시간 발생 수단과 통신하여 상기 데이타 패킷의 도착 시간을 상기 데이타 패킷에 가산하는 수단 및; 상기 가산 수단과 통신하여 상기 데이타 패킷을 기록하는 기록 수단을 구비하는 것을 특징으로 하는 디지탈 데이타 기록 장치.
  2. 제1항에 있어서, 상기 기록 수단과 통신하여 기록해야 할 데이타 패킷의 속도를 변환시키는 속도 변환수단을 더 구비하는 것을 특징으로 하는 디지탈 데이타 기록 장치.
  3. 제1항에 있어서, 상기 기록 수단과 통신하여 모든 n개의 데이타 패킷을 동기 블록으로 배열하며 상기 n은 정수인 동기 블록 포맷팅 수단을 더 구비하는 것을 특징으로 하는 디지탈 데이타 기록 장치.
  4. 제1항에 있어서, 상기 기록 수단은 회전 드럼에 부착된 기록 헤드를 구비하며, 상기 회전 드럼은 상기 기준 클럭과 동기하여 회전되는 것을 특징으로 하는 디지탈 데이타 기록 장치.
  5. 테이프상에 기록된 데이타 패킷을 기록하며, 상기 데이타 패킷이 상기 테이프상에 기록될 때 상기 데이타 패킷은 도착시간을 나타내는 도착 시간 코드를 포함하는 디지탈 데이타 재생 장치에 있어서, 상기 데이타 패킷을 재생 수단 및; 상기 재생 수단과 통신하여 상기 도착 시간 코드에 동기해서 상기 데이타 패킷을 복호화 하는 패킷 프로세싱 수단을 구비하는 것을 특징으로 하는 디지탈 데이타 기록 장치.
  6. 데이타 패킷을 테이프상에 기록하는 디지탈 데이타 기록 방법에 있어서, 기준 클럭에 기초하여 상기 데이타 패킷이 디지탈 데이타 기록 장치에 도착할 때 시간을 발생하는 단계와; 상기 데이타 패킷의 도착 시간을 상기 데이타 패킷에 가산하는 단계를 구비하는 것을 특징으로 하는 디지탈 데이타 기록 방법.
  7. 제6항에 있어서, 상기 데이타 패킷을 기록하기 전에 속도 변환하는 단계를 더 구비하는 것을 특징으로 하는 디지탈 데이타 기록 방법.
  8. 제6항에 있어서, 모든 n데이타 패킷이 동기 블록으로 배열되며 상기 n은 정수인 것을 특징으로 하는 디지탈 데이타 기록 방법.
  9. 제6항에 있어서, 상기 데이타 기록 장치의 드럼은 상기 기준 클럭에 따라 동기적으로 회전되는 것을 특징으로 하는 디지탈 데이타 기록 방법.
  10. 테이프에 기록된 데이타 패킷을 재생하며, 상기 데이타 패킷이 상기 테이프상에 기록될 때 상기 데이타 패킷은 도착 시간을 나타내는 도착 시간 코드를 포함하는 데이타 패킷 재생 방법에 있어서, 상기 데이타 패킷을 재생하는 단계 및; 상기 도착 시간 코드와 동기하여 상기 데이타 패킷을 복호화 하는 단계를 구비하는 것을 특징으로 하는 디지탈 데이타 재생 방법.
  11. 데이타 패킷을 다수의 트랙을 포함하는 테이프상에 기록하는 디지탈 데이타 기록 장치에 있어서, 테이프상의 각각의 복수의 정상 플레이 영역과 복수 트릭 플레이 영역으로 분류하며, 상기 트릭 플레이 영역 각각은 가변 속도 재생 동작 동안 헤드에 의해 추적되는 각각의 상기 트랙의 위치에 대응하는 상기 각각의 트랙의 위치에 위치하는 분류 수단 및; 상기 분류 수단과 통신하여 상기 데이타 패킷을 상기 정상 플레이 영역에 기록하며 상기 데이타 패킷의 일부분만을 상기 트릭 플레이 영역에 기록하며, 상기 데이타 패킷의 일부는 상기 가변 속도 재생 동작 동안 재생되는, 기록 수단을 구비하는 것을 특징으로 하는 디지탈 데이타 기록 장치.
  12. 제11항에 있어서, 상기 트릭 플레이 영역은 고속 가변 재생을 위한 제1트릭 플레이 영역과 저속 가변 재생을 위한 제2트릭 프레이 영역을 구비하며, 상기 고속 가변 재생을 위한 제1트릭 플레이 영역과 저속 가변 재생을 위한 제2트릭 플레이 영역은 각각 다른 방위각의 트랙에 배열되는 것을 특징으로 하는 디지탈 데이타 기록 장치.
  13. 제11항에 있어서, 상기 고속 가변 재생을 위한 제1트릭 플레이 영역은 트랙에 기록되며 이로부터 트랙정보가 ATF 동작에 의해 얻어지는 것을 특징으로 하는 디지탈 데이타 기록 장치.
  14. 제11항에 있어서, 상기 데이타 패킷은 화상 정보를 구비하며, 상기 장치는, 상기 분류 수단과 통신하여 상기 화상 정보를 다수의 화상 부분으로 분할하는 화상 분할 수단 및; 상기 화상 분할 수단 및 상기 기록 수단과 통신하여 상기 다수의 화상 부분을 각각 연속적으로 저장하며, 상기 다수의 화상 부분은 상기 트릭 플레이 영역에 기록되는 메모리 수단을 더 구비하는 것을 특징으로 하는 디지탈 데이타 기록 장치.
  15. 제11항에 있어서, 상기 기록 수단과 통신하여 상기 데이타 패킷의 높은 주파수 계수를 감소시키는 계수 감소 수단을 더 구비하는 것을 특징으로 하는 디지탈 데이타 기록 장치.
  16. 데이타 패킷을 다수의 트랙을 포함하는 테이프상에 기록하는 디지탈 데이타 기록 방법에 있어서, 상기 각각의 트랙을 다수의 정상 플레이 영역과 다수의 트릭 플레이 영역으로 분류하며, 상기 트릭 플레이 영역은 가변 속도 재생 동작 동안 헤드에 의해 추적되는 트랙의 위치에 대응하는 상기 각각의 트랙의 위치에 위치하는 단계 및; 상기 데이타 패킷을 상기 정상 플레이 영역에 기록하며 상기 데이타 패킷의 일부만을 상기 트릭 플레이 영역에 기록하고, 상기 데이타 패킷의 일부는 가변 속도 동작 동안 재생되는 단계를 구비하는 것을 특징으로 하는 디지탈 데이타 기록 방법.
  17. 제16항에 있어서, 상기 트릭 플레이 영역은 가변 고속 재생을 위한 제1플레이 영역과 가변 저속 재생을 위한 제2플레이 영역을 구비하며, 상기 가변 고속 재생을 위한 제1플레이 영역과 가변 저속 재생을 위한 제2플레이 영역은 각각 다른 방위각의 트랙에 기록되는 것을 특징으로 하는 디지탈 데이타 기록 방법.
  18. 제17항에 있어서, 상기 가변 고속 재생을 위한 제1트릭 플레이 영역은 트랙에 기록되며 이로부터 트래킹 정보가 ATF 동작에 의해 얻어지는 것을 특징으로 하는 디지탈 데이타 기록 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950042147A 1994-11-14 1995-11-14 디지탈데이타기록및재생장치및방법 KR100378248B1 (ko)

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JP3603364B2 (ja) 2004-12-22
AU3781695A (en) 1996-05-23
JPH08195072A (ja) 1996-07-30
CN1144456C (zh) 2004-03-31
CA2162788C (en) 2006-07-11
DE69535631D1 (de) 2007-12-13
BR9505186A (pt) 1997-10-28
AU707351B2 (en) 1999-07-08
CA2162788A1 (en) 1996-05-15
DE69535631T2 (de) 2008-08-28
EP0712127B1 (en) 2007-10-31
KR100378248B1 (ko) 2003-08-06
ES2294780T3 (es) 2008-04-01
MY115383A (en) 2003-05-31
ATE377246T1 (de) 2007-11-15

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