KR960039901A - Dual Screen Caption Device for TV Receiver - Google Patents

Dual Screen Caption Device for TV Receiver Download PDF

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Publication number
KR960039901A
KR960039901A KR1019950008792A KR19950008792A KR960039901A KR 960039901 A KR960039901 A KR 960039901A KR 1019950008792 A KR1019950008792 A KR 1019950008792A KR 19950008792 A KR19950008792 A KR 19950008792A KR 960039901 A KR960039901 A KR 960039901A
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KR
South Korea
Prior art keywords
screen
signal
caption
microprocessor
composite video
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KR1019950008792A
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Korean (ko)
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KR0146104B1 (en
Inventor
신현중
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구자홍
Lg 전자주식회사
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Priority to KR1019950008792A priority Critical patent/KR0146104B1/en
Publication of KR960039901A publication Critical patent/KR960039901A/en
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Publication of KR0146104B1 publication Critical patent/KR0146104B1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals

Abstract

본 발명은 한 텔레비전 수상기의이중화면 캡션장치에 관한 것으로서, 이는 두화면에 대해 음성모드와 자막모드를 부가하여 한 화면에 대한 음성은 스피커로, 또 다른 한 화면에 대한 음성은 자막처리하여 표시하도록 한 것이다. 이와 같은 본 발명은 이중화면모드시 선택제어신호, 어드레스를 발생하는 마이크로 프로세서와; 상기 선택제어신호에 따라 서로 다른 입력 복합비디오신호중에서 한 채널의 신호를 선택출력하는 제1선택수단과; 상기선택된 복합비디오신호에서 자막데이타를 추출하고 그 추출된 자막데이타를 자체의 온 스크린 문자데이타와 혼합출력하는 자막처리수단과; 상기 서로 다른 복합비디오신호를 원하는 화면의 종횡비에 맞게 조절하여 2화면을 발생하고 그 2화면을 상기 마이크로 프로세서의 선택제어신호에 의해 자막처리수단의 자막데이타와 함께 칼라수상관에 표시하는 이중화면 자막출력수단과; 상기 마이크로 프로세서의 선택제어신호에 따라 입력되는 서로 다른 복합비디오신호에 대한 오디오신호중에서 상기 자막처리되지 않은 다른 복합비디오신호에 대한 오디오신호를 원래의 음성신호로 복원하여 스피커로 출력하는 오디오처리수단으로 이루어짐으로서 달성된다.The present invention relates to a dual screen caption device of a television receiver, which adds a voice mode and a caption mode to two screens so that a voice for one screen is displayed as a speaker and a voice for another screen is closed captioned. It is. Such a present invention provides a microprocessor for generating a selection control signal and an address in a dual screen mode; First selecting means for selectively outputting a signal of one channel among different input composite video signals according to the selection control signal; Caption processing means for extracting caption data from the selected composite video signal and mixing the extracted caption data with its on-screen text data; The dual-screen subtitle which generates two screens by adjusting the different composite video signals according to the aspect ratio of the desired screen, and displays the two screens on the color receiver along with the caption data of the caption processing unit by the selection control signal of the microprocessor. Output means; Audio processing means for restoring an audio signal for another composite video signal which is not subtitled among the audio signals for different composite video signals input according to the selection control signal of the microprocessor to an original audio signal and outputting the audio signal to a speaker. Is achieved.

Description

텔레비젼 수상기의 이중화면 캡션장치Dual Screen Caption Device for TV Receiver

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제3도는 본 발명 텔레비전 수상기의 이중화면 캡션장치의 구성도, 제4도는 제3도에 따른 이중화면 캡션처리 상태를 보인도.3 is a configuration diagram of a dual screen caption apparatus of a television receiver according to the present invention, and FIG. 4 is a dual screen caption processing state according to FIG.

Claims (6)

이중화면 모드선택시 이중화면 캡션장의 전반적인 동작을 제어하기 위해 선택제어신호, 어드레스신호를 발생하는 마이크로프로세서와; 상기 마이크로 프로세서의 선택제어신호에 따라 입력되는 서로 다른 복합비디오신호중에서 한 채널의 신호를 선택하여 출력하는 제1선택수단과; 상기 제1선택수단에서 선택된 복합비디오신호에서 자막데이타를 추출하고 그 추출된 자막데이타를 상기 마이크로 프로세서의 선택제어신호 및 어드레스신호에 따라 자체의 온스크린 문자데이타와 혼합하여 출력하는 자막처리수단과; 상기 서로 다른 입력 복합비디오신호를 원하는 화면의 종횡비에 맞게 조절하여 2화면을 발생함과 아울러 그2화면을 상기 마이크로 프로세서의 선택제어신호에 의해 자막처리수단의 자막데이타와 함께 칼라수상관에 표시하는 이중화면 자막출력수단과; 상기 마이크로 프로세서의 선택제어신호에 따라 입력되는 서로 다른 복합비디오신호에 대한 오디오신호를 원래의 음성신호로 복원하여 스피커로 출력하는 오디오처리수단으로 구성함을 특징으로 한 텔레비전 수상기의 이중화면 캡션장치.A microprocessor for generating a selection control signal and an address signal to control the overall operation of the dual screen caption field when the dual screen mode is selected; First selecting means for selecting and outputting a signal of one channel among different composite video signals input according to a selection control signal of the microprocessor; Caption processing means for extracting caption data from the composite video signal selected by the first selection means and mixing the extracted caption data with its on-screen text data according to a selection control signal and an address signal of the microprocessor; By generating the two screens by adjusting the different input composite video signal according to the aspect ratio of the desired screen, and displaying the two screens together with the caption data of the caption processing means by the selection control signal of the microprocessor. Dual screen subtitle output means; And an audio processing means for restoring an audio signal for a different composite video signal input according to a selection control signal of the microprocessor to an original audio signal and outputting the audio signal to a speaker. 제1항에 있어서, 자막처리수단은 상기 제1선택수단에서 입력되는 복합비디오신호에서 21번째의 수평귀선기간에 실려오는 자막데이타를 추출하는 자막디코딩수단과; 상기 마이크로 프로세서에서 제공되는 어드레스신호에 의해 해당 번지내의 문자데이타를 온스크린으로 발생하는 온스크린 문자발생수단과; 상기 온스크린 문자 발생수단에서 발생된 온 스크린 문자데이타와 자막디코딩수단에서 디코딩된 자막정보를 마이크로 프로세서의 선택제어신호에 의해 다중화하여 출력하는 제1다중화수단과; 상기 제1다중화수단에서 다중화된 온 스크린 문자자막정보를 마이크로 프로세서의 어드레스신호에 따라 이중화면 자막출력수단으로의 공급 또는 차단하는 스위칭수단으로 구성함을 특징으로 한 텔레비젼 수상기의 이중화면 캡션장치.2. The apparatus according to claim 1, wherein the caption processing means includes: caption decoding means for extracting caption data carried in the 21st horizontal retrace period from the composite video signal inputted from the first selection means; On-screen character generating means for generating character data in the address on-screen by an address signal provided from the microprocessor; First multiplexing means for multiplexing on-screen character data generated by the on-screen character generating means and subtitle information decoded by the subtitle decoding means by multiplexing by a selection control signal of a microprocessor; And switching means for supplying or blocking the on-screen character subtitle information multiplexed by the first multiplexing means to the dual screen subtitle output means according to the address signal of the microprocessor. 제2항에 있어서, 온 스크린 문자발생수단은 상기 칼라수상관에 표시되는 두 개의 화면중 어느 화면이 음성모드이고 자막모드인지를 문자로써 칼라수상관에 표시하는 것을 특징으로 한 텔레비전 수상기의 이중화면 캡션장치.The dual screen of a television receiver according to claim 2, wherein the on-screen character generating means displays on the color receiver as a character which of the two screens displayed on the color receiver is a voice mode and a caption mode. Caption device. 제1항에 있어서, 이중화면 자막출력수단은 서로 다른 2쌍의 입력 복합비디오신호를 각각 방송방식에 맞게 복호화하여 좌화면 또는 우화면으로 분리 처리하고 이를 매라인마다 합성하여 출력하는 이중화면 발생수단과; 상기 이중화면 발생수단에서 발생된 좌,우화면의 영상신호와 상기 자막처리수단에서 공급되는 온 스크린 문자자막정보를 혼합하여 칼라수상관에 이중화면을 구성하고 온 스크린 문자정보와 자막정보를 칼라수상관의 레터박스에 표시하는 제2다중화수단으로 구성함을 특징으로 한 텔레비전 수상기의 이중화면 캡션장치.2. The dual screen generating means according to claim 1, wherein the dual screen subtitle output means decodes two different pairs of input composite video signals according to a broadcasting method, separates them into a left screen or a right screen, and synthesizes and outputs each of them for each line. and; The left and right video signals generated by the dual screen generating means are mixed with the on-screen character subtitle information supplied from the subtitle processing means to form a dual screen in the color receiver, and the on-screen character information and the subtitle information can be colored. A dual screen caption apparatus for a television receiver, characterized in that it comprises a second multiplexing means displayed on the letterbox of the boss. 제1항에 있어서, 오디오처리수단은 상기 입력되는 서로 다른 2쌍의 오디오신호중에서 자막처리되지 않은 복합비디오신호에 대한 오디오신호를 선택하여 출력하는 제2선택수단과; 상기 제2선택수단에서 선택되어 입력되는 오디오신호를 충분한 크기로 증폭하여 출력하는 음성증폭수단; 상기 음성증폭수단에서 증폭되어 입력되는 오디오신호를 원래의 신호로 복원하여 스피커로 출력하는 음성복조수단으로 구성함을 특징으로 한 텔레비전 수상기의 이중화면 캡션장치.The audio processing means according to claim 1, further comprising: second selection means for selecting and outputting an audio signal for a composite video signal which is not subtitled among the two different pairs of audio signals inputted; Voice amplifying means for amplifying and outputting the audio signal selected by the second selecting means to a sufficient magnitude; And an audio demodulation means for restoring an audio signal amplified by the voice amplification means to an original signal and outputting the audio signal to a speaker. 제5항에 있어서, 오디오처리수단은 상기 마이크로 프로세서의 선택제어신호를 반전시켜 제2선택수단을 제1선택수단과 역으로 동작하도록 제어하는 인버터를 더 포함하여 구성함을 특징으로 한 텔레비전 수상기의 이중화면 캡션장치.6. The television receiver as claimed in claim 5, wherein the audio processing means further comprises an inverter for inverting the selection control signal of the microprocessor to control the second selection means to operate in reverse with the first selection means. Dual screen caption device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950008792A 1995-04-14 1995-04-14 Superimpose caption apparatus in a television KR0146104B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950008792A KR0146104B1 (en) 1995-04-14 1995-04-14 Superimpose caption apparatus in a television

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Application Number Priority Date Filing Date Title
KR1019950008792A KR0146104B1 (en) 1995-04-14 1995-04-14 Superimpose caption apparatus in a television

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KR960039901A true KR960039901A (en) 1996-11-25
KR0146104B1 KR0146104B1 (en) 1998-09-15

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