KR960032435A - Dual Caption Processing System and Method - Google Patents

Dual Caption Processing System and Method Download PDF

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Publication number
KR960032435A
KR960032435A KR1019950003367A KR19950003367A KR960032435A KR 960032435 A KR960032435 A KR 960032435A KR 1019950003367 A KR1019950003367 A KR 1019950003367A KR 19950003367 A KR19950003367 A KR 19950003367A KR 960032435 A KR960032435 A KR 960032435A
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KR
South Korea
Prior art keywords
caption
hangul
code
korean
data
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KR1019950003367A
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Korean (ko)
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KR0161904B1 (en
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김성수
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구자홍
Lg 전자 주식회사
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Priority to KR1019950003367A priority Critical patent/KR0161904B1/en
Publication of KR960032435A publication Critical patent/KR960032435A/en
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Publication of KR0161904B1 publication Critical patent/KR0161904B1/en

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    • 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
    • H04N21/47—End-user applications
    • H04N21/488—Data services, e.g. news ticker
    • H04N21/4886—Data services, e.g. news ticker for displaying a ticker, e.g. scrolling banner for news, stock exchange, weather 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Television Systems (AREA)

Abstract

본 발명은 TV에서의 캡션(Caption)처리장치에 관한 것으로, 특히 영문과 한글을 동시에 표시하는 DCC(Dual Closed Caption)를 실현하는데 적당하도록 한 TV에서의 듀얼 캡션(Dual Caption)처리장치 및 방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a caption processing apparatus in a TV, and more particularly, to a dual caption processing apparatus and method in a TV that is suitable for realizing a dual closed caption (DCC) that simultaneously displays English and Korean. will be.

상기와 같은 본 발명의 듀얼 캡션 처리장치는 입력 영상신호에 포함되어 있는 캡션 데이터를 추출하는 캡션 데이타 추출부와, 상기 캡션데이타 추출부의 출력데이타를 검색하여 한글 제어코드의 유무를 판단하는 한글제어코드검색부와, 상기 캡션 데이터를 입력으로 하여 한글제어코드검색부의 판단신호에 의해 영문 캡션 폰트 ROM 또는 한글 캡션 폰트 ROM의 폰트 지원을 받아 캡션신호를 출력하는 캡션처리부와, 상기 캡션신호와 입력영상신호를 합성하여 출력하는 합성처리부와, 상기 캡션 처리부의 한글 캡션 폰트 ROM의 엑세스시에 어드레스 매핑을 위한 코드변환을 수행하는 코드변환부로 이루어진다.The dual caption processing apparatus of the present invention as described above includes a caption data extraction unit for extracting caption data included in an input video signal, and a Hangul control code for determining the presence or absence of a Korean control code by searching for output data of the caption data extraction unit. A caption processing unit which outputs a caption signal by receiving a font support of an English caption font ROM or a Korean caption font ROM according to a determination signal of the search unit and the caption data as input, and the caption signal and the input image signal. And a code conversion unit for performing code conversion for address mapping when the Korean caption font ROM is accessed by the caption processing unit.

그리고 본 발명의 듀얼 캡션 처리방법은 입력되는 2byte 완성형 한글코드로 이루어진 데이터의 각 바이트의 MSB를 odd Parity 처리하고 한글제어 코드를 삽입하는 스텝과, 상기의 데이타를 인코딩하고 한글제어 코드의 유무를 검색하여, 한글제어 코드가 존재하지 않으면 기존의 S/W를 디코딩하여 영문캡션을 표시하는 스텝과, 상기의 스텝에서 한글제어코드가 존재하면 데이터 각 코드의 최상의 비트 ‘1’로 환원시켜 원래의 코드로 복귀하는 스텝과, 한글 폰트 ROM과의 어드레스 매핑을 위한 코드변환을 수행하여 한글캡션을 표시하는 스텝으로 이루어진다.In the dual caption processing method of the present invention, an odd parity processing of MSB of each byte of data consisting of a 2-byte complete Hangul code is input, a Hangul control code is inserted, the data is encoded, and the presence or absence of a Hangul control code is searched. If the Hangul control code does not exist, decoding the existing S / W and displaying the English caption. If the Hangul control code exists in the above step, the original code is reduced to the most significant bit '1' of each code of the data. And a step of displaying the Korean caption by performing code conversion for address mapping with the Korean font ROM.

Description

듀얼 캡션(Dual Caption)처리장치 및 방법Dual Caption Processing System and Method

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

제4도는 본 발명의 듀얼 캡션 처리장치의 구성블럭도,4 is a block diagram of a dual caption processing apparatus of the present invention,

제5도는 본 발명의 듀얼 캡션 기능의 처리과정을 나타낸 플로우챠트.5 is a flowchart showing the process of the dual caption function of the present invention.

Claims (2)

입력 영상신호에 포함되어 있는 캡션 데이터를 추출하는 캡션 데이터 추출부와, 상기 캡션데이타 추출부의 출력데이타를 검색하여 한글 제어코드의 유무를 판단하는 한글제어코드검색부와, 상기 캡션 데이터 추출부의 캡션 데이터를 입력으로 하여 한글제어코드검색부의 판단신호에 의해 영문 캡션 폰트 ROM 또는 한글 캡션 폰트 ROM의 폰트 지원을 받아 캡션신호를 출력하는 캡션처리부와, 상기 캡션신호와 입력영상신호를 합성하여 출력하는 합성처리부와, 상기 캡션 처리부의 한글 캡션 폰트 ROM의 엑세스시에 어드레스 매핑을 위한 코드변환을 수행하는 코드변환부를 포함하여 구성됨을 특징으로 하는 듀얼 캡션처리장치.Caption data extraction unit for extracting caption data included in the input video signal, Hangul control code search unit for determining the presence or absence of the Hangul control code by searching the output data of the caption data extraction unit, Caption data extraction unit A caption processing unit which outputs a caption signal by receiving the font support of the English caption font ROM or the Korean caption font ROM according to the determination signal of the Korean control code search unit, and a synthesis processing unit which synthesizes and outputs the caption signal and the input image signal. And a code conversion unit configured to perform a code conversion for address mapping when the Korean caption font ROM is accessed by the caption processing unit. 입력되는 2byte 완성형 한글코드로 이루어진 데이터의 각 바이트의 MSB를 odd Parity 처리하고 한글제어코드를 삽입하는 스텝과, 상기의 데이터를 인코딩하고 한글제어 코드의 유무를 검색하여, 한글제어 코드가 존재하지 않으면 기존의 S/W를 디코딩하여 영문캡션을 표시하는 스텝과, 상기의 스텝에서 한글제어코드가 존재하면 데이터 각 코드의 최상의 비트 ‘1’로 환원시켜 원래의 코드로 복귀하는 스텝과, 한글 폰트 ROM과의 어드레스 매핑을 위한 코드변환을 수행하여 한글캡션을 표시하는 스텝을 포함하여 이루어지는 것을 특징으로 하는 듀얼캡션 처리방법.If the MSB of each byte of data consisting of 2 bytes of completed Hangul code is input, odd parity is processed and the Hangul control code is inserted, the data is encoded and the presence or absence of the Hangul control code is detected. Decoding the existing S / W and displaying the English caption, If there is a Hangul control code in the above step, returning to the most significant bit '1' of each data code and returning to the original code, Hangul font ROM And a step of displaying a Korean caption by performing a code conversion for address mapping with the second caption. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950003367A 1995-02-21 1995-02-21 Dual caption processing device and method thereof KR0161904B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950003367A KR0161904B1 (en) 1995-02-21 1995-02-21 Dual caption processing device and method thereof

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Application Number Priority Date Filing Date Title
KR1019950003367A KR0161904B1 (en) 1995-02-21 1995-02-21 Dual caption processing device and method thereof

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KR960032435A true KR960032435A (en) 1996-09-17
KR0161904B1 KR0161904B1 (en) 1998-12-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100308036B1 (en) * 1998-12-31 2001-11-02 구자홍 Dual subtitle receiving method and subtitle TV
KR100562182B1 (en) * 1998-04-07 2006-03-20 소니 가부시끼 가이샤 Apparatus and method for reproduction character information recorded on a recording medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100562182B1 (en) * 1998-04-07 2006-03-20 소니 가부시끼 가이샤 Apparatus and method for reproduction character information recorded on a recording medium
KR100308036B1 (en) * 1998-12-31 2001-11-02 구자홍 Dual subtitle receiving method and subtitle TV

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Publication number Publication date
KR0161904B1 (en) 1998-12-15

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