KR970064254A - Wireless transmission device of digital image and receiving device of the video signal - Google Patents

Wireless transmission device of digital image and receiving device of the video signal Download PDF

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Publication number
KR970064254A
KR970064254A KR1019960003938A KR19960003938A KR970064254A KR 970064254 A KR970064254 A KR 970064254A KR 1019960003938 A KR1019960003938 A KR 1019960003938A KR 19960003938 A KR19960003938 A KR 19960003938A KR 970064254 A KR970064254 A KR 970064254A
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KR
South Korea
Prior art keywords
signal
video
audio
digital
modulated
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Application number
KR1019960003938A
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Korean (ko)
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KR100244530B1 (en
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김근도
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정장호
Lg 정보통신 주식회사
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Priority to KR1019960003938A priority Critical patent/KR100244530B1/en
Publication of KR970064254A publication Critical patent/KR970064254A/en
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Publication of KR100244530B1 publication Critical patent/KR100244530B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65Arrangements characterised by transmission systems for broadcast
    • H04H20/71Wireless systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream

Abstract

본 발명은 영상 및 음성신호의 무선전송 및 전송되는 신호의 수신장치에 관한 것으로, 경마장 이나 연회장등의 소규모 지역에서 발생되는 상황을 MPEG-Ⅱ 방식의 디지탈 영상신호와 음성신호 처리를 통해 무선으로 전송하며, 전송되는 주파수의 한정된 지역에 위치되는 수신시스템을 통한 무선신호의 수신처리를 통하여 양질의 영상 서어비스를 제공하도록 한 것이다.[0001] The present invention relates to a device for wirelessly transmitting and receiving a video and audio signal and transmitting a situation occurring in a small area such as a racetrack or a banquet hall wirelessly through a digital video signal of an MPEG- And provides a high-quality image service through reception processing of a radio signal through a reception system located in a limited area of the transmitted frequency.

본 발명은 경마장이나 골프장, 야외 음악회 등에서 발생되는 경기 또는 연주회 상황등을 국부전송을 위한 주파수 대역을 사용하여 그 한정된 지역에 위치되어 있는 모니터 시스템측에 디지탈 무선전송하여 고화질의 영상 및 음성 서어비스를 제공하며, 송신 시스템을 차량에 장착하여 이동중계 서어비스의 제공으로 사용에 신뢰성에 제공된다.The present invention provides a high-quality video and audio service by digitally wirelessly transmitting a game or a concert situation generated in a racetrack, a golf course, an outdoor concert, etc. to a monitor system located in a limited area using a frequency band for local transmission And the transmission system is mounted on a vehicle, and is provided with reliability for use in providing a mobile relay service.

Description

디지탈 영상의 무선전송장치 및 그 영상신호의 수신장치Wireless transmission device of digital image and receiving device of the video signal

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제3도는 본 발명에 따른 디지탈 영상의 무선전송장치를 보인 구성블럭도.FIG. 3 is a block diagram showing a wireless transmission apparatus of a digital image according to the present invention; FIG.

Claims (2)

영상입력수단과 음성입력수단으로부터 인가되는 아날로그 비디오신호와 레프트(L) 및 라이트(R)의 오디오 신호를 디지탈 신호의 처리를 위한 인터페이싱을 실행하는 인터페이스부와, 상기 인터페이스부를 통해 인가되는 비디오 영상신호를 국제 표준화 규격인 ISO/IEC-13818-2 방식의 디지탈 신호 형태로 부호화 변조시키는 비디오 부호화기와, 상기 인터페이스부를 통해 인가되는 오디오 신호를 국제 표준화 규격인 ISO/IEC13818-3 방식의 디지탈 신호로 부호화 변조시키는 오디오 부호화기와, 상기 비디오 부호화기로부터 인가되는 변조된 비디오 영상신호와 상기 오디오 부호화기로부터 인가되는 변조된 오디오 신호 및 상기 인터페이스부로부터 인가되는 부가 데이타를 다중화 변조하여 데이타 열로 변조시키는 다중화기와, 상기 다중화기로부터 디지탈 무선 전송을 위해 압축되어 인가되는 데이타의 전송과정에서 발생되는 에러를 방지하기 위하여 소정의 상태로 변조하여 전송 에러를 사전에 방지하여주는 FEC 처리기와, 외부에서 인가되는 채널선택신호에 따라 에러가 보상되어 인가되는 비디오 및 오디오 신호의 위상을 4상 쉬프트 변조하여 전송되는 신호의 아날로그화 처리하는 QPSK 변조기와, 상기 QPSK 변조기로부터 인가되는 여러 채널의 디지탈 비디오 신호 및 오디오 신호에 반송파를 합성하는 믹서와, 상기 믹서를 통해 반송파가 혼합된 디지탈 비디오 및 오디오 데이타를 소정의 레벨로 증폭하여 안테나를 통해 방사하는 증폭기를 구비하는 것을 특징으로 하는 디지탈 영상의 무선전송장치.An interface unit for interfacing an analog video signal applied from the video input means and the audio input means and an audio signal of the left channel L and the right channel R to process a digital signal; A video encoder for encoding and modulating an audio signal received through the interface unit into a digital signal of an ISO / IEC 13818-2 standard, which is an international standardization standard; A multiplexer for multiplexing and modulating the modulated video image signal applied from the video encoder, the modulated audio signal applied from the audio encoder and the additional data applied from the interface and modulating the modulated video image signal, From digital no An FEC processor for preliminarily preventing a transmission error by modulating the data into a predetermined state in order to prevent errors generated during transmission of data compressed and transmitted for transmission, and an error is compensated according to an externally applied channel selection signal A mixer for synthesizing a carrier wave into digital video signals and audio signals of a plurality of channels applied from the QPSK modulator; And an amplifier for amplifying digital video and audio data mixed with a carrier wave through a mixer to a predetermined level and radiating the digital video and audio data through an antenna. 안테나를 통해 수신되는 디지탈 고주파에서 선택된 채널의 주파수 대역을 동조하는 튜너와, 채널 주파수 대역이 동조되어 인가되는 비디오 및 오디오 데이타에서 위상 쉬프팅을 통한 복조를 실행하는 QPSK 복조기와, 수신되는 데이타에 삽입된 전송에러 방지데이타를 복조하여 순수한 비디오 및 오디오 신호만을 추출하는 FEC복조부와, 상기 FEC 복조부로부터 인가되는 신호를 역 다중화하여 비디오 신호와 오디오 신호 및 부가 데이타를 분리추출하는 역 다중화기와, 상기 역 다중화기를 통해 분리추출된 국제 표준화 규격인 ISO/IEC-13818-2 방식상태의 변조된 비디오 신호를 디코딩하여 동영상의 구현을 위한 원래의 신호로 복원하는 비디오 복화하기와, 상기 역 다중화기를 통해 분리추출된 국제 표준화 규격인 ISO/IEC-13818-3 방식상태의 변조된 오디오 신호를 디코딩하여 원래의 오디오 신호로 복원하는 오디오 복호화기와, 상기 비디오 복화하기로부터 인가되는 디지탈 영상신호를 영상의 재현을 위한 소정의 처리를 실행하는 NTSC 영상 변환기 및, 인가되는 디지탈 비디오 신호와 디지탈 오디오 신호를 아날로그 방식의 신호로 변환시켜 디스플레이수단 및 음향출력수단을 통해 출력시키는 아날로그 신호 처리기를 구비하는 것을 특징으로 하는 디지탈 영상신호의 수신장치.A tuner for tuning a frequency band of a selected channel in a digital high frequency received through an antenna, a QPSK demodulator for performing demodulation through phase shifting in video and audio data to which a channel frequency band is tuned, A demultiplexer for demultiplexing a video signal, an audio signal and additional data by demultiplexing a signal applied from the FEC demodulation unit, a demultiplexer for demultiplexing the video signal, A video encoding method for decoding a modulated video signal in an ISO / IEC-13818-2 standard format, which is an international standardization standard extracted and extracted through a multiplexer, to restore the original signal for implementation of a moving image, The modulated audio signal in the state of the ISO / IEC-13818-3 method which is an international standardization standard An NTSC video converter for performing a predetermined process for reproducing an image of a digital video signal applied from the video decoding; and an audio decoder for decoding the digital video signal and the digital audio signal And an analog signal processor for converting the analog signal into an analog signal and outputting the analog signal through a display unit and an audio output unit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960003938A 1996-02-16 1996-02-16 Radio transmission and receiver apparatus of digital image KR100244530B1 (en)

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Application Number Priority Date Filing Date Title
KR1019960003938A KR100244530B1 (en) 1996-02-16 1996-02-16 Radio transmission and receiver apparatus of digital image

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KR970064254A true KR970064254A (en) 1997-09-12
KR100244530B1 KR100244530B1 (en) 2000-02-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010082417A (en) * 2001-06-15 2001-08-30 안근식 Business Model combined with Online and Offline for the transmission of Internet realtime multimedia live images of a golf practice ranger and a green
KR20020088156A (en) * 2001-05-17 2002-11-27 정광천 How to use fishing hook information through internet
KR20020093392A (en) * 2001-06-08 2002-12-16 박종열 Utility method of video and data using wireless control system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100645727B1 (en) * 2000-06-30 2006-11-13 주식회사 케이티 Apparatus and method for providing video and image information using wireless communication network

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020088156A (en) * 2001-05-17 2002-11-27 정광천 How to use fishing hook information through internet
KR20020093392A (en) * 2001-06-08 2002-12-16 박종열 Utility method of video and data using wireless control system
KR20010082417A (en) * 2001-06-15 2001-08-30 안근식 Business Model combined with Online and Offline for the transmission of Internet realtime multimedia live images of a golf practice ranger and a green

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