KR970049372A - Device and method for decompressing cdrom data - Google Patents

Device and method for decompressing cdrom data Download PDF

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Publication number
KR970049372A
KR970049372A KR1019950048406A KR19950048406A KR970049372A KR 970049372 A KR970049372 A KR 970049372A KR 1019950048406 A KR1019950048406 A KR 1019950048406A KR 19950048406 A KR19950048406 A KR 19950048406A KR 970049372 A KR970049372 A KR 970049372A
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South Korea
Prior art keywords
rom
data
controller
decompressing
video controller
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KR1019950048406A
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Korean (ko)
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KR100206441B1 (en
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홍범용
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김광호
삼성전자 주식회사
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

이 발명은 시디-롬 데이터의 압축해제 방법 및 그 장치에 관한 것으로서, 오디오 컴팩트 디스크와 같은 지름의 기억매체에 부호 정보를 기록하여 판독전용 저장장치인 시디-롬과; 상기 시디-롬을 제어하며 데이터를 읽어내는 제어장치인 컨트롤러와; 시스템 소프트웨어 및 사용자 소프트웨어가 로드되어 수행되거나, 상기 시디-롬으로부터 출력되는 데이터를 입력받아 저장하고 있는 메모리와; 상기 메모리의 내용이나 외부 입력장치에서 입력된 정보에 대한 연산, 처리등을 담당하는 중앙 처리 장치와; 상기 시디-롬 컨트롤러로부터 디코딩된 데이터를 입력받아 내부의 D/A컨버터를 통해 하기 모니터로 출력을 하는 비디오 컨트롤러와; 상기 비디오 컨트롤러로부터 영상 데이터를 받아 눈으로 확인할 수 있도록 영상을 표시하는 장치인 모니터로 이루어지며;본 발명은 PCI버스의 밴드 위쓰를 극히 일부만 점유하므로 PCI의 리소스(RESOURCE)는 크게 사용하지 않고 비디오 컨트롤러로 전송하므로, 중앙 처리 장치가 그외의 일들을 수행할 수 있음으로 해서 시스템 수행에 큰 영향을 미치지 않고 멀티 미디어 기능을 활용하는 시디-롬 데이터의 압축해제 방법 및 장치에 관한 것이다The present invention relates to a method and a device for decompressing CD-ROM data, comprising: a CD-ROM as a read-only storage device for recording code information on a storage medium having a diameter such as an audio compact disc; A controller which controls the cdrom and reads data; A memory in which system software and user software are loaded and executed or receive and store data output from the CD-ROM; A central processing unit responsible for arithmetic, processing, etc. of contents of the memory or information input from an external input device; A video controller which receives the decoded data from the CD-ROM controller and outputs the data to the following monitor through an internal D / A converter; It is composed of a monitor that is a device for displaying the image so as to receive the image data from the video controller to check with the eye; the present invention occupies only a portion of the band whistle of the PCI bus, so the resource of the PCI (RESOURCE) without a large use of the video controller The present invention relates to a method and apparatus for decompressing CD-ROM data utilizing a multimedia function without having a great influence on system performance since the central processing unit can perform other tasks.

Description

시디-롬 데이터의 압축해제 장치 및 그 방법Device and method for decompressing cdrom data

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

제2도는 이 발명의 실시예에 따른 시디-롬 데이터의 압축해제 장치의 구성 블럭도이고,2 is a block diagram of a device for decompressing CD-ROM data according to an embodiment of the present invention.

제3도는 이 발명의 실시예에 따른 시디-롬 데이터의 압축해제 방법의 동작흐름도이다.3 is a flowchart illustrating a method of decompressing CD-ROM data according to an embodiment of the present invention.

Claims (3)

오디오 컴팩트 디스크와 같은 지름의 기억매체에 부호 정보를 기록하여 판독전용 저장장치인 시디-롬과; 상기 시디-롬을 제어하며 데이터를 읽어내는 제어장치인 컨트롤러와; 시스템 소프트웨어 및 사용자 소프트웨어가 로드되어 수행되거나, 상기 시디-롬으로부터 출력되는 데이터를 입력받아 저장하고 있는 메모리와; 상기 메모리의 내용이나 외부 입력장치에서 입력된 정보에 대한 연산, 처리등을 담당하는 중앙 처리 장치와; 상기 시디-롬 컨트롤러로부터 디코딩된 데이터를 입력받아 내부의 D/A컨버터를 통해 하기 모니터로 출력을 하는 비디오 컨트롤러와; 상기 비디오 컨트롤러로부터 영상 데이터를 받아 눈으로 확인할 수 있도록 영상을 표시하는 장치인 모니터로 이루어지는 것을 특징으로 하는 시디-롬 데이터의 압축해제 장치.A CD-ROM as a read-only storage device that records code information on a storage medium having a diameter such as an audio compact disc; A controller which controls the cdrom and reads data; A memory in which system software and user software are loaded and executed or receive and store data output from the CD-ROM; A central processing unit responsible for arithmetic, processing, etc. of contents of the memory or information input from an external input device; A video controller which receives the decoded data from the CD-ROM controller and outputs the data to the following monitor through an internal D / A converter; And decompressing the CD-ROM data, wherein the monitor is a device which displays an image so as to receive the image data from the video controller. 제1항에 있어서, 상기한 시디-롬 컨트롤러는, 제어 신호에 따라서 복수의 출력로에서 하나를 선택하여 입력로와 접속하는 회로인 디먹스(DEMULTIPLEXER)와;복수의 입력 신호를 순차 선택하고, 신호를 분할하면서 그 때마다 각 입력에 대응한 신호를 하나의 출력으로서 내는 먹스(MULTIPLEXER)와; 상기 시디-롬으로부터 출력되는 데이터를 입력받아 압축되어 있는 영상 데이터등을 해독하여 출력하는 해독기와; 상기 해독기를 거쳐 압축이 풀린 디지털 피쳐 데이터를 컴퓨터 시스템의 내부 버스를 사용하지 않고 직접 오디오 컨트롤러와 연결을 시켜주는 피쳐 커넥터와; 동작이 느린 입출력 장치 때문에 고속의 내부처리 장치가 대기 상태가 되는 것을 방지할 목적과, 회로 앞단으로부터의 영향을 제거하기 위해 사용되는 버퍼와; 상기 장치나 회로등의 연결 및 신호 전달 등을 제어 하며 전반적인 신호상태를 파악하어 제어 신호를 출력하는 컨트롤 로직으로 이루어지는 것을 특징으로 하는 시디-롬 데이터의 압축해제 장치.The apparatus of claim 1, wherein the CD-ROM controller comprises: a demux (DEMULTIPLEXER), a circuit for selecting one of a plurality of output paths and connecting the input path according to a control signal; MULTIPLEXER for dividing a signal and outputting a signal corresponding to each input as one output each time; A decoder which receives the data output from the CD-ROM and decodes and compresses the compressed image data; A feature connector for directly connecting the decompressed digital feature data through the decoder to an audio controller without using an internal bus of the computer system; A buffer used for preventing the high-speed internal processing unit from going to a standby state due to a slow operation of the input / output device, and a buffer used to remove the influence from the front end of the circuit; A device for decompressing CD-ROM data, characterized in that it comprises control logic for controlling the connection of the device, circuit, and the like, signal transmission, etc., and for identifying the overall signal state and outputting a control signal. 중앙 처리 장치가 시디-롬 드라이버등을 포함한 멀티미디어 셋트에 작동 명령을 인가하는 단계와; 비디오 컨트롤러의 초기화 및 시디-롬의 데이터가 모니터에 표시되는 영역을 지정하는 단계와; 시디-롬 드라이버를 초기화 하는 단계와; 시디-롬의 데이터 이동 경로가 PCI버스 또는 피쳐 커넥터인지를 선택하는 단계와; 만약, PCI버스가 선택되었다면, 비디오 컨트롤러의 목표 주소를 시디-롬 컨트롤러에게 초기화를 시키는 단계와; 피쳐 커넥터가 선택되었다면, 선택된 경로로 데이터의 이동 경로를 연결해주는 단계와; 시디-롬의 컨트롤러와 내부의 컨트롤 로직에게 동작 신호를 인가하는 단계로 이루어지는 것을 특징으로 하는 시디-롬 데이터의 압축해제 장치.The central processing unit issuing an operation command to a multimedia set including a CD-ROM driver or the like; Initializing the video controller and designating an area in which data of the CD-ROM is displayed on the monitor; Initializing the CD-ROM driver; Selecting whether the data movement path of the CD-ROM is a PCI bus or a feature connector; If the PCI bus is selected, initializing the target address of the video controller to the CD-ROM controller; If the feature connector is selected, connecting a movement path of data to the selected path; Apparatus for decompressing the CD-ROM data comprising the step of applying an operation signal to the controller of the CD-ROM and the control logic therein. ※ 참고사항: 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the original application.
KR1019950048406A 1995-12-11 1995-12-11 The decoding and its method of a compressed data in cd-rom KR100206441B1 (en)

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KR1019950048406A KR100206441B1 (en) 1995-12-11 1995-12-11 The decoding and its method of a compressed data in cd-rom

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KR1019950048406A KR100206441B1 (en) 1995-12-11 1995-12-11 The decoding and its method of a compressed data in cd-rom

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KR970049372A true KR970049372A (en) 1997-07-29
KR100206441B1 KR100206441B1 (en) 1999-07-01

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