KR980004596A - Digital VR record and playback device with trick play function - Google Patents

Digital VR record and playback device with trick play function Download PDF

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Publication number
KR980004596A
KR980004596A KR1019960022398A KR19960022398A KR980004596A KR 980004596 A KR980004596 A KR 980004596A KR 1019960022398 A KR1019960022398 A KR 1019960022398A KR 19960022398 A KR19960022398 A KR 19960022398A KR 980004596 A KR980004596 A KR 980004596A
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South Korea
Prior art keywords
trick
data
normal
digital
signal
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KR1019960022398A
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Korean (ko)
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박기송
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배순훈
대우전자 주식회사
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Priority to KR1019960022398A priority Critical patent/KR980004596A/en
Publication of KR980004596A publication Critical patent/KR980004596A/en

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  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

본 발명은 트릭재생기능을 가진 디지탈 브이씨알의 기록재생장치에 관한 것이다. 디지탈 비트스트림으로부터 1픽처를 추출하는 픽처추출부와, 상기 1픽처를 신호처리하여 트릭재생용 데이타를 출력하는 트릭기록처리부와, 상기 디지탈 비트스트림을 신호처리하여 노멀재생용 데이타를 출력하는 노멀기록처리부와, 상기 트릭재생용 데이타와 노멀재생용 데이타를 멀티플렉싱하여 디지탈헤드에 공급하는 멀티플렉서와, 디지탈헤드로부터의 데이타를 디멀티플렉싱하는 디멀티플렉서와, 상기 디멀티플렉서로부터의 트릭재생용 데이타를 신호처리하는 트릭재생처리부와, 상기 디멀티플렉서로부터의 노멀재생용 데이타를 신호처리하는 노멀재생처리부와, 선택신호에 따라 트릭재생용 데이타와 노멀재생용 데이타중 어느 하나를 선택하는 신호선택부와, 선택신호를 발생하여 상기 신호선택부에 제공하는 시스템제어부와, 상기 시스템제어부에 연결되어 모드에 따라 데크를 서보제어하는 서보제어부를 구비하고 있다.The present invention relates to a digital VLC recording and reproducing apparatus having a trick replay function. A picture extracting unit for extracting one picture from the digital bitstream, a trick recording processing unit for signal processing the one picture to output trick reproduction data, and a normal recording for signal processing the digital bitstream and outputting data for normal reproduction A processing unit, a multiplexer for multiplexing the trick play data and the normal play data to supply to the digital head, a demultiplexer for demultiplexing the data from the digital head, and a trick play for signal processing data for trick play from the demultiplexer. A processing section, a normal playback processing section for signal processing normal playback data from the demultiplexer, a signal selecting section for selecting any one of trick playback data and normal playback data according to a selection signal, and generating a selection signal to generate the signal; A system control unit provided to a signal selection unit, and the system It is connected to the control unit has a servo control unit for servo control the deck in accordance with the mode.

Description

트릭재생기능을 가진 디지탈 브이씨알의 기록재생장치Digital VR record and playback device with trick play function

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명 트릭재생기능을 가진 디지탈 브이씨알의 기록재생장치의 구성블럭도.2 is a block diagram of a digital VLC recording / reproducing apparatus having a trick-play function according to the present invention.

제3도는 본 발명의 트릭재생모드에서 테이프의 기록포맷에 따른 테이프 주행속도의 변화도.3 is a diagram showing the change in tape travel speed according to the recording format of the tape in the trick play mode of the present invention.

Claims (5)

외부로부터 입력되는 디지탈 비트스트림으로부터 1픽처를 추출하는 픽처추출부와, 추출된 1픽처를 테이프에의 기록을 위해 신호처리하여 트릭재생용 데이타를 출력하는 트릭기록처리부와, 상기 디지탈 비트스트림을 테이프에의 기록을 위해 신호처리하여 노멀재생용 데이타를 출력하는 노멀기록처리부와, 테이프에 기록되도록 상기 트릭재생용 데이타와 상기 노멀재생용 데이타를 멀티플렉싱하여 데크의 디지탈헤드에 제공하는 멀티플렉서와, 재생모드에서 테이프를 주사하는 상기 디지탈 헤드로부터의 데이타를 디멀티플렉싱하여 트릭재생용 데이타와 노멀재생용 데이타를 출력하는 디멀티플렉서와, 상기 디멀티플렉서로부터의 트릭재생용 데이타를 영상디스플레이를 위해 신호처리하는 트릭재생처리부와, 상기 디멀티플렉서로부터의 노멀재생용 데이타를 영상 디스플레이를 위해 신호처리하는 노멀재생처리부와, 선택신호에 따라 상기 트랙재생처리부로부터의 트릭재생용 데이타와 상기 노멀재생처리부로부터의 노멀재생용 데이타중 어느 하나를 선택하는 신호선택부와, 설정된 트릭재생모드 또는 노멀재생모드에 따른 선택신호를 발생하여 상기 신호선택부에 제공하는 시스템제어부와, 상기 시스템제어부에 연결되어 설정된 상기 모드에 따라 데크를 서보제어하는 서보제어부를 구비하고 있는 것을 특징으로 하는 트릭재생기능을 가진 디지탈 브이씨알의 기록재생장치.A picture extracting unit for extracting one picture from the digital bitstream input from the outside, a trick recording processing unit for signal processing the extracted one picture for recording on a tape, and outputting trick play data; and a tape of the digital bitstream. A normal recording processing unit which processes a signal for recording the data and outputs data for normal reproduction, a multiplexer which multiplexes the trick reproduction data and the normal reproduction data to be recorded on a tape, and provides the digital head of the deck with a reproduction mode; A demultiplexer which demultiplexes the data from the digital head scanning the tape to output the trick reproduction data and the normal reproduction data, and a trick reproduction processing unit which processes the trick reproduction data from the demultiplexer for video display; Normal playback from the demultiplexer A normal playback processing unit for signal processing the data for video display, a signal selection unit for selecting any one of trick playback data from the track playback processing unit and normal playback data from the normal playback processing unit according to a selection signal; And a system controller for generating a selection signal according to a set trick play mode or a normal play mode and providing the selected signal to the signal selector, and a servo controller connected to the system controller to servo control the deck according to the set mode. Digital V-RA recording and reproducing apparatus with a trick replay function. 제1항에 있어서, 상기 트릭재생용 데이타는 상기 테이프의 트릭재생용 데이타영역에, 그리고 상기 노멀재생용 데이타는 상기 테이프의 노멀재생용 데이타영역에 각각 기록되는 것을 특징으로 하는 트릭재생기능을 가진 디지탈 브이씨알의 기록재생장치.2. The trick play function according to claim 1, wherein the trick play data is recorded in the trick play data area of the tape, and the normal play data is recorded in the normal play data area of the tape. Digital VCD recording and playback device. 제2항에 있어서, 상기 트릭재생용 데이타영역은 30개의 비디오트랙으로 구성되어 있고, 상기 노멀재생용 데이타영역은 120개의 비디오트랙으로 구성되어 있는 것을 특징으로 하는 트릭재생기능을 가진 디지탈 브이씨알의 기록재생장치.3. The digital VAL having a trick play function according to claim 2, wherein said trick play data area is comprised of 30 video tracks, and said normal play data area is comprised of 120 video tracks. Record and playback device. 제2항 또는 제3항에 있어서, 트릭재생모드에서, 상기 트릭재생용 데이타영역은 상기 디지탈헤드에 의해 주사되고 상기 노멀재생용 데이타 영역은 상기 디지탈헤드에 의해 주사되지 않는 것을 특징으로 하는 트릭재생기능을 가진 디지탈 브이씨알의 기록재생장치.The trick reproduction method according to claim 2 or 3, wherein in the trick reproduction mode, the trick reproduction data area is scanned by the digital head and the normal reproduction data area is not scanned by the digital head. Digital VR record and playback device with functions. 제2항 또는 제3항에 있어서, 상기 트릭재생용 데이타영역에서의 테이프 주행속도가 상기 노멀재생용 데이타영역에서의 테이프 주행속도보다 느린 것을 특징으로 하는 트릭재생기능을 가진 디지탈 브이씨알의 기록재생장치.4. The recording and reproducing of a digital VCD having a trick reproducing function according to claim 2 or 3, wherein the tape running speed in said trick reproducing data area is slower than the tape running speed in said normal reproducing data area. Device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960022398A 1996-06-19 1996-06-19 Digital VR record and playback device with trick play function KR980004596A (en)

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