KR970009459B1 - Apparatus for regulating screen quality of tv - Google Patents

Apparatus for regulating screen quality of tv Download PDF

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Publication number
KR970009459B1
KR970009459B1 KR1019930010127A KR930010127A KR970009459B1 KR 970009459 B1 KR970009459 B1 KR 970009459B1 KR 1019930010127 A KR1019930010127 A KR 1019930010127A KR 930010127 A KR930010127 A KR 930010127A KR 970009459 B1 KR970009459 B1 KR 970009459B1
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KR
South Korea
Prior art keywords
signal
image quality
unit
picture quality
image
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KR1019930010127A
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Korean (ko)
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KR950002439A (en
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권칠주
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대우전자 주식회사
배순훈
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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
    • H04N21/485—End-user interface for client configuration
    • H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
    • H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4341—Demultiplexing of audio and video streams

Abstract

An automatic television (TV) picture quality controller is provided to store the optimum picture quality information and automatically make the TV picture quality optimum when turning on the TV. This automatic TV picture quality controller includes an antenna (1) detecting broadcasting signals; a tuner (2) receiving those signals from the antenna (1) and selecting a certain broadcasting signal in response to a user's channel selection; a signal separating part (3) separating audio and video signals from the broadcasting signal; a voice processing part (4) receiving the audio signal and processing it; and a picture quality control part (11) receiving the video signal and controlling the picture quality for optimum picture quality. This part (11) includes an A/D converter (6); a picture quality input part (7); a picture quality storing part (8); a video processing part (9); and a D/A converter (10).

Description

텔레비젼의 자동 화질 조절 장치TV's automatic picture quality control device

제1도는 종래 텔레비젼의 화질 조절을 설명하기 위한 블럭도.1 is a block diagram for explaining image quality control of a conventional television.

제2도는 본 발명 텔레비젼의 자동 화질 조절을 설명하기 위한 블럭도.2 is a block diagram for explaining automatic picture quality adjustment of a television of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 안테나 2 : 동조부1 antenna 2 tuning unit

3 : 신호 분리부 4 : 음성 처리부3: signal separation unit 4: voice processing unit

6 : A/D 변환부 7 : 화질 입력부6: A / D converter 7: Image quality input unit

8 : 화질 저장부 9 : 영상 처리부8: image quality storage unit 9: image processing unit

10 : D/A 변환부 11 : 화질 조절부10: D / A converter 11: Image quality control unit

본 발명은 텔레비젼(Television)의 자동 화질 조절에 관한 것으로, 특히, 최초 파워 온(Power On)시 자동으로 화질이 최적 상태로 되도록 하는 텔레비젼의 자동 화질 조절 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to automatic picture quality adjustment of a television, and more particularly, to an automatic picture quality adjusting device of a television, which automatically optimizes picture quality at the first power-on.

종래 기술은 제1도와 같이 다수의 방송 신호를 검출하는 안테나(Antenna)(1)와, 상기 안테나(1)의 방송신호를 받아 사용자가 원하는 특정 채널(Channel)에 따른 방송 신호를 동조(Tuning)하는 동조부(2)와, 상기 동조부(2)의 신호를 받아 음성 신호 및 복합 영상 신호(휘도 신호+ 색 신호)를 분리해내어 각각 발생하는 신호 분리부(3)와, 상기 신호 분리부(3)로부터 음성 신호를 받아 스피커(Speaker)(도면중에 도시되지 않음)등에 인가하므로써 사용자가 원래 음성을 들을 수 있도록 하는 음성 처리부(4)와, 상기 신호 분리부(3)로부터 복합 영상 신호를 받아 사용자가 원래 영상을 볼 수 있도록 하는 영상 처리부(5)로 구성된다.The prior art tunes a broadcast signal according to a specific channel desired by a user by receiving an antenna 1 for detecting a plurality of broadcast signals and a broadcast signal of the antenna 1 as shown in FIG. A signal separation unit 3 and a signal separation unit 3 respectively generated by separating the audio signal and the composite video signal (luminance signal + color signal) by receiving the signal from the tuning unit 2 (3) receives the audio signal from the audio processing unit (4) and the signal separation unit (3) to allow the user to hear the original audio by applying to a speaker (not shown in the figure), etc. It is composed of an image processing unit (5) that allows the user to view the original image.

이와 같이 구성된 종래 기술을 보면, 동조부(2)는 안테나(1)를 통해 다수의 방송 신호를 받아 사용자가 선택하는 특정 채널에 따라 특정 방송 신호를 선국한다.In the prior art configured as described above, the tuning unit 2 receives a plurality of broadcast signals through the antenna 1 and tunes a specific broadcast signal according to a specific channel selected by the user.

이어, 신호 분리부(3)는 동조부(2)로부터 특정 방송 신호를 받아 음성 신호와 복합 영상 신호를 분리하여 각각 발생하며 음성 처리부(4)는 신호 처리부(3)의 음성 신호를 받아 원래 음성 신호를 찾아 증폭한 후 스피커에 인가하므로써 원래의 음성이 스피커에서 외부로 흘러나오도록 한다.Subsequently, the signal separation unit 3 receives a specific broadcast signal from the tuning unit 2 and separates the audio signal and the composite video signal, respectively. The audio processing unit 4 receives the audio signal from the signal processing unit 3 and receives the original audio signal. Find and amplify the signal and apply it to the speaker so that the original sound flows out of the speaker.

다음, 영상 처리부(5)는 신호 분리부(3)의 복합 영상신호를 받아 휘도 신호 및 색 신호로 분리하며 휘도 신호에서 각 수직, 수평 동기 신호를 찾아내고, 색 신호를 브라운관에 각각 발생하므로써 원래 영상이 나타나도록 한다.Next, the image processing unit 5 receives the composite image signal of the signal separation unit 3, separates the luminance signal and the color signal, finds each vertical and horizontal synchronization signal in the luminance signal, and generates the color signal in the CRT, respectively. Make the image appear.

또한, 해당 화질 상태를 조절하려면 자동 미세 조정(AFT), 밝기(BRIGHT), 채널(CHANNEL), 농도(COLOR), 명암(ONTRAST)등을 조절하여 원하는 화질 상태에 따른 영상을 볼 수 있다.In addition, to adjust the image quality, the image according to the desired image quality can be viewed by adjusting the automatic fine adjustment (AFT), brightness (BRIGHT), channel (CHANNEL), density (COLOR), contrast (ONTRAST).

그러나, 이와 같은 종래의 기술에 있어서는 텔레비젼을 최초 파워 온할 경우 화질이 파워 오프 바로 이전의 상태로 나타나므로써 최적의 화질을 만들기 위해 매번 파워 온 때마다 해당 키(key)조작을 실시해야 하는 불편함이 있다.However, in this conventional technology, when the TV is first powered on, the image quality is displayed just before the power-off, and thus the inconvenience of having to perform a corresponding key operation every time the power is turned on to obtain the optimum image quality. have.

본 발명은 이와 같은 종래의 결점을 감안하여 안출한 것으로, 최적의 화질 정보를 저장해 놓았다가 텔레비젼을 파워 온시킬때 자동으로 화질이 최적 상태가 되도록 하는 텔레비젼의 자동 화질 조절 장치를 제공하는데 그 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks, and an object of the present invention is to provide an automatic image quality control apparatus for a television that stores optimum image quality information and automatically optimizes the image quality when the TV is powered on. have.

이하에서 이와 같은 목적을 달성하기 위한 본 발명은 다수의 방송 신호를 검출하는 안테나 수단과, 상기 안테나 수단의 방송 신호중 특정 신호를 선국하는 동조부와, 상기 동조부의 선국된 특정 방송 신호를 받아 음성 신호 및 복합 영상 신호를 분리 발생하는 신호 분리부와, 상기 신호 분리부의 음성 신호를 받아 사용자가 들을 수 있도록 하는 음성 처리부와, 상기 신호 분리부의 복합 영상 신호를 받아 텔레비젼의 최초 파워 온시 미리 설정한 최적의 화질에 따른 영상이 나타나도록 하는 화질 조절부로 되는 것을 특징으로 한다.In order to achieve the above object, the present invention provides an antenna means for detecting a plurality of broadcast signals, a tuning unit for tuning a specific signal among the broadcast signals of the antenna means, and receiving a tuned specific broadcast signal for the tuning unit. And a signal separation unit for separating and generating a composite video signal, an audio processing unit for receiving a voice signal of the signal separation unit so that a user can listen to the signal, and a predetermined optimum setting upon receiving the composite video signal of the signal separation unit at the first power-on of the TV. Characterized in that the image quality control unit to display the image according to the image quality.

이하, 이와 같은 본 발명의 일실시예를 첨부된 모면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying cotton wool one embodiment of the present invention as follows.

제2도는 본 발명의 블럭도로, 다수의 방송 신호를 검출하는 안테나(1)와, 상기 안테나(1)의 신호를 받아 사용자에의한 특정 채널 선택에 따른 특정방송 신호를 선국하는 동조부(2)와, 상기 동조부(2)의 특정 방송 신호를 받아 음성 신호 및 복합 영상 신호를 분리해내는 신호 분리부(3)와, 상기 신호 분리부(3)의 음성 신호를 받아 사용자가 원래 음성을 들을 수 있도록 하는 음성 처리부(4)는 종래와 같으며 상기 신호 분리부(3)에 접속되어 텔레비젼의 최초 파워 온시 미리 설정한 최적의 화질이 나타나도록 하는 A/D(Analog/Digital) 변환부(6), 화질 입력부(7), 화질 저장부(8), 영상 처리부(9) 그리고 D/A(Digital/Analog)변환부(10)로 된 화질 조절부(11)로 구성된다.2 is a block diagram of the present invention, and an antenna 1 for detecting a plurality of broadcast signals and a tuning unit 2 for receiving a signal from the antenna 1 and tuning a specific broadcast signal according to a specific channel selection by a user. ), A signal separation unit 3 for receiving a specific broadcast signal of the tuning unit 2 to separate an audio signal and a composite video signal, and a user receiving the audio signal of the signal separation unit 3 to receive an original audio signal. The audio processing unit 4 which enables audible listening is the same as the conventional one, and is connected to the signal separation unit 3 so that an optimum image quality preset in advance upon power-on of the television is displayed. 6), an image quality control unit 11 comprising an image quality input unit 7, an image quality storage unit 8, an image processing unit 9, and a D / A (Digital / Analog) converting unit 10.

이와 같이 구성된 본 발명을 보면, 동조부(2)는 안테나(1)로부터 다수의 방송 신호를 받아 사용자의 리모콘(Remocon)키 조작등에 의해 특정 방송 신호를 선국한다.According to the present invention configured as described above, the tuning unit 2 receives a plurality of broadcast signals from the antenna 1 and selects a specific broadcast signal by operating a remote control key of the user.

또한, 신호 분리부(3)는 동조부(2)의 특정 방송 신호를 받아 음성 신호 및 복합 영상 신호로 분리 발생하며 음성 처리부(4)가 신호 처리부(3)로부터 음성 신호를 받아 원래 음성 신호를 찾아 증폭한 후 스피커에 인가하므로써 사용자가 들을 수 있도록 하는 것을 종래와 같다.In addition, the signal separation unit 3 receives a specific broadcast signal of the tuning unit 2 and generates a separate audio signal and a composite video signal, and the audio processing unit 4 receives an audio signal from the signal processing unit 3 and generates an original audio signal. Find and amplify and apply to the speaker so that the user can hear the same as the conventional.

다음 화질 조절부(11)의 A/D변환부(6)는 신호 분리부(3)로부터 복합 영상 신호를 받아 일정 주파수로 샘플링(Sampling)한 후 그 샘플링에 따른 각 신호에 따라 디지탈 신호를 발생한다.Next, the A / D converter 6 of the image quality adjusting unit 11 receives the composite video signal from the signal separating unit 3 and samples it at a predetermined frequency, and generates a digital signal according to each signal according to the sampling. do.

이어, 화질 입력부(7)는 사용자의 키 조작에 따라 최적 화질 정보를 화질 저장부(8)에 저장하므로써 화잘 저장부(8)는 최초 파워 온시 최적화질 정보를 발생하므로 영상 처리부(9)는 화질 저장부(8)및 A/D변환부(6)는 신호를 받아 최적 화질을 갖는 영상을 만들어 D/A 변환부(10)에 인가한다.Subsequently, the image quality input unit 7 stores the optimum image quality information in the image quality storage unit 8 according to a user's key operation, so that the image storage unit 8 generates the optimal quality information at the first power-on. The storage unit 8 and the A / D converter 6 receive a signal, generate an image having an optimal image quality, and apply the image to the D / A converter 10.

따라서, D/A 변환부(10)는 영상처리부(9)의 디지탈 신호를 아날로그 신호로 변환시켜 최초 파워 온시 최적의 영상이 나타나도록 한다.Therefore, the D / A converter 10 converts the digital signal of the image processor 9 into an analog signal so that an optimal image appears at the first power-on.

이상에서 설명한 바와 같이 본 발명은 화질 조절부(11)를 설정하여 최적 화질 정보를 미리 저장했다가 텔레비젼 파워 온시 그 저장된 정보에 의해 최적화질을 갖는 영상을 나타내므로써 최조 파워 온시 항상 영상을 양호하게 나타낼 수 있는 효과가 있다.As described above, according to the present invention, the image quality control unit 11 is set to store optimal image quality information in advance, and when the power is turned on to display an image having optimal quality based on the stored information, the image is always displayed at the maximum power on. It can be effective.

Claims (1)

방송 신호를 검출하는 안테나(1) ; 상기 안테나(1)로부터 방송 신호를 받아 채널 선택에 따라 특정 방송 신호를 선국하는 동조부(2) ; 상기 동조부(2)로부터 선국된 방송 신호를 받아 음성 신호 및 영상 신호로 분리하는 신호 분리부(3) ; 상기 신호 분리부(3)로부터 음성 신호를 받아 원래의 음성을 들을 수 있도록 음성 처리하는 음성 처리부(4) ; 상기 신호 분리부(3)로부터 영상 신호를 받아 최초 파워 온시 최적의 화질을 나타내기 위해 화질을 조절하는 화질 조절부(11)를 포함하되, 상기 화질 조절부(11)는, 상기 신호 분리부(3)로부터 영상 신호를 받아 디지탈 신호로 변환하는 A/D 변환부(6) ; 최적의 화질 정보를 키 입력하기 위한 화질 입력부(7) ; 상기 화질 입력부(7)로부터의 최적의 화질 정보를 저장하는 화질 저장부(8) ; 상기 A/D 변환부(6)로부터 디지탈 영상 신호를 받아 상기 화질 저장부(8)의 최적의 화질 정보를 참조하여 최초 파워 온시 최적의 화질을 위한 디지탈 영상 신호를 발생하는 영상 처리부(9) ; 상기 영상 처리부(9)의 디지탈 신호를 아날로그 신호로 변환시키는 D/A변환부(10)를 포함하는 텔레비젼의 자동 화질 조절 장치.An antenna 1 for detecting a broadcast signal; A tuning unit (2) which receives a broadcast signal from the antenna (1) and tunes a specific broadcast signal according to channel selection; A signal separation unit (3) for receiving the broadcast signal tuned from the tuning unit (2) and separating the audio signal and the video signal; A voice processing unit (4) for receiving a voice signal from the signal separating unit (3) and processing a voice so that the original voice can be heard; Receiving an image signal from the signal separation unit 3 includes an image quality control unit 11 for adjusting the image quality in order to display the optimum image quality at the first power on, the image quality control unit 11, the signal separation unit ( An A / D converter 6 which receives a video signal from 3) and converts it into a digital signal; An image quality input section 7 for keying in optimum image quality information; An image quality storage section 8 for storing optimum image quality information from the image quality input section 7; An image processor (9) which receives the digital image signal from the A / D converter (6) and generates a digital image signal for optimal image quality at the first power-on by referring to the optimum image quality information of the image quality storage unit (8); And a D / A converter (10) for converting the digital signal of the image processor (9) into an analog signal.
KR1019930010127A 1993-06-04 1993-06-04 Apparatus for regulating screen quality of tv KR970009459B1 (en)

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