KR960035562A - Variable transfer playback method and apparatus of optical disc - Google Patents

Variable transfer playback method and apparatus of optical disc Download PDF

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Publication number
KR960035562A
KR960035562A KR1019950007594A KR19950007594A KR960035562A KR 960035562 A KR960035562 A KR 960035562A KR 1019950007594 A KR1019950007594 A KR 1019950007594A KR 19950007594 A KR19950007594 A KR 19950007594A KR 960035562 A KR960035562 A KR 960035562A
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KR
South Korea
Prior art keywords
optical disc
data
unit
signal
playback
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Application number
KR1019950007594A
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Korean (ko)
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KR100207636B1 (en
Inventor
김영윤
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김광호
삼성전자 주식회사
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Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019950007594A priority Critical patent/KR100207636B1/en
Publication of KR960035562A publication Critical patent/KR960035562A/en
Application granted granted Critical
Publication of KR100207636B1 publication Critical patent/KR100207636B1/en

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    • 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
    • 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

Abstract

본 발명은 광디스크의 가변전송 재생방법 및 장치에 관한 것으로서, 특히 광디스크에서 재생되는 신호의 전송속도를 가변하여 기록재생시간을 확장할 수 있는 광디스크의 가변전송 재생방법 및 장치에 관한 것이다. 본 발명에 의한 광디스크의 가변전송 재생방법은 단위화면 정보의 복잡성에 따라서 발생하는 데이터량을 압축 알고리즘에 따라 코딩하여 광디스크에 기록하는 제1단계; 광디스크의 데이터 재생속도를 가변시키는 제2단계; 광디스크로부터 재생된 데이터의 전송속도를 가변시키는 제3단계; 및 광디스크로부터 읽혀진 재생데이터를 영상신호 및 음성신호로 출력하는 제4단계를 포함한다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a variable transfer reproducing method and apparatus for an optical disc, and more particularly, to a variable transfer reproducing method and apparatus for an optical disc capable of extending a recording / playback time by varying a transmission speed of a signal reproduced on an optical disc. A variable transfer reproduction method of an optical disc according to the present invention comprises the steps of: coding an amount of data generated according to a complexity of a unit screen information according to a compression algorithm and recording it on an optical disc; A second step of varying the data reproduction speed of the optical disc; A third step of varying a transmission speed of data reproduced from the optical disc; And a fourth step of outputting reproduction data read from the optical disc as a video signal and an audio signal.

따라서 본 발명은 광디스크에 기록된 데이터의 압축 알고리즘에 따라 광디스크의 재생데이터를 가변전송함으로써, 광디스크의 물리적인 기록밀도 증가없이 기록재생시간을 효율적으로 확장할 수 있다.Therefore, the present invention can variably transmit the reproduction data of the optical disc according to a compression algorithm of the data recorded on the optical disc, thereby efficiently extending the recording and reproducing time without increasing the physical recording density of the optical disc.

Description

광디스크의 가변전송 재생방법 및 장치Variable transfer playback method and apparatus of optical disc

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

제2도는 본 발명에 의한 광디스크의 가변전송 재생장치의 블럭도.2 is a block diagram of a variable transfer reproducing apparatus for an optical disc according to the present invention.

Claims (3)

단위화면 정보의 복잡성에 따라서 발생하는 데이터량을 압축 알고리즘에 따라 코딩하여 광디스크에 기록하는 제1단계; 광디스크의 데이터 재생속도를 가변시키는 제2단계; 광디스크로부터 재생된 데이터의 전송속도를 가변시키는 제3단계; 및 광디스크로부터 읽혀진 재생데이터를 영상신호 및 음성신호로 출력하는 제4단계를 포함한 광디스크의 가변전송 재생방법.A first step of coding an amount of data generated according to the complexity of the unit screen information according to a compression algorithm and recording it on an optical disc; A second step of varying the data reproduction speed of the optical disc; A third step of varying a transmission speed of data reproduced from the optical disc; And a fourth step of outputting reproduction data read from the optical disc as a video signal and an audio signal. 광디스크의 기록데이터를 전기적인 신호로 변환하여 RF재생신호를 생성하는 RF재생부; 상기 RF 재생신호를 입력하여 광디스크의 포맷에 따라 광디스크 데이터를 재생하고, 인터럽트신호와 함께 출력하는 CD재생부; 상기 CD재생부의 인터럽트신호에 따라서 상기 CD재생부로부터 출력된 재생데이터를 저장하고, 저장된 재생데이터가 비디오블럭인지 오디오블럭인지 구별하여 A/V재생부의 제어신호에 따라서 재생데이터의 전송속도를 가변하는 가변전송부; 상기 가변전송부의 제어에 따라서 광디스크의 데이터 재생속도를 상기 가변전송부의 재생데이터 전송속도의 최대값보다 빠르게 제어하는 서보부 및 상기 가변전송부로부터 전송된 영상신호와 음성신호를 디코딩하여 화면재생속도에 따라 각각의 출력장치로 출력하고, 상기화면재생속도에 따른 A/V스트림제어신호를 생성하는 A/V재생부를 포함한 광디스크의 가변전송 재생장치.An RF reproducing unit converting the recording data of the optical disc into an electrical signal to generate an RF reproducing signal; A CD reproducing unit which inputs the RF reproducing signal to reproduce the optical disc data according to the format of the optical disc, and outputs the data with the interrupt signal; Storing playback data outputted from the CD playback unit according to the interrupt signal of the CD playback unit, and distinguishing whether the stored playback data is a video block or an audio block and varying the transmission speed of the playback data according to a control signal of the A / V playback unit. Variable transmission unit; Under the control of the variable transfer unit, the servo unit controls the data reproduction rate of the optical disc faster than the maximum value of the reproduction data transfer rate of the variable transfer unit, and decodes the video and audio signals transmitted from the variable transfer unit to the screen reproduction rate. And an A / V player for outputting to each output device and generating an A / V stream control signal according to the screen playback speed. 제2항에 있어서, 상기 가변전송부는 인터럽트 신호에 따라서 상기 CD재생부로부터 출력된 데이터가 저장되는 버퍼와, 상기 CD재생부로부터 데이터를 입력하여 상기 버퍼에 저장하고 상기 버퍼로부터 데이터를 읽어내는 버퍼제어기와, 상기 CD재생부와 상기 버퍼제어기와 상기 서보부를 제어하는 CPU를 포함한 것을 특징으로 하는 광디스크의 가변전송 재생장치.The buffer of claim 2, wherein the variable transfer unit stores a buffer in which data output from the CD player is stored according to an interrupt signal, and a buffer for inputting data from the CD player and storing data in the buffer and reading data from the buffer. And a controller for controlling the CD player, the buffer controller, and the servo unit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950007594A 1995-03-31 1995-03-31 Method and device for variable transmission of an optical disc KR100207636B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950007594A KR100207636B1 (en) 1995-03-31 1995-03-31 Method and device for variable transmission of an optical disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950007594A KR100207636B1 (en) 1995-03-31 1995-03-31 Method and device for variable transmission of an optical disc

Publications (2)

Publication Number Publication Date
KR960035562A true KR960035562A (en) 1996-10-24
KR100207636B1 KR100207636B1 (en) 1999-07-15

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KR1019950007594A KR100207636B1 (en) 1995-03-31 1995-03-31 Method and device for variable transmission of an optical disc

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100701754B1 (en) * 2000-12-28 2007-03-29 엘지전자 주식회사 Apparatus for recording and reproducing digital data and method thereof

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