KR100190615B1 - Mugungwha satellite receiver with the function of reproducing the video compact disk - Google Patents
Mugungwha satellite receiver with the function of reproducing the video compact disk Download PDFInfo
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- KR100190615B1 KR100190615B1 KR1019960031848A KR19960031848A KR100190615B1 KR 100190615 B1 KR100190615 B1 KR 100190615B1 KR 1019960031848 A KR1019960031848 A KR 1019960031848A KR 19960031848 A KR19960031848 A KR 19960031848A KR 100190615 B1 KR100190615 B1 KR 100190615B1
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- 101000969688 Homo sapiens Macrophage-expressed gene 1 protein Proteins 0.000 claims abstract description 15
- 102100021285 Macrophage-expressed gene 1 protein Human genes 0.000 claims abstract description 15
- 230000005236 sound signal Effects 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000012937 correction Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42646—Internal components of the client ; Characteristics thereof for reading from or writing on a non-volatile solid state storage medium, e.g. DVD, CD-ROM
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
- H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
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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
- H04N21/43—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
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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
- H04N21/43—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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
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- 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)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
본 발명은 비디오컴팩트디스크(VCD) 재생기능을 구비한 무궁화위성수신기에 관한 것으로, 특히 무궁화위성수신기내 비디오/오디오디코더를 이용하여 VCD재생기로부터의 MPEG1신호를 처리하도록 하는 비디오컴팩트디스크(VCD) 재생기능을 구비한 무궁화위성수신기에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a MWD receiver with a video compact disc (VCD) playback function, and more particularly to a video compact disc (VCD) playback for processing MPEG1 signals from a VCD player using a video / audio decoder in the MWD receiver. It relates to a Mugunghwa satellite receiver having a function.
본 발명은 안테나로부터 입력된 고주파(RF)신호를 동조 및 QPSK복조하고, 디지탈신호로 변환 및 에러정정하는 채널부(11)와, 상기 채널부(11)로부터의 디지탈신호를 비디오신호와 오디오신호로 각각 분리하는 MPEG2 디멀티플렉서(12)와, 상기 MPEG2 디멀티플렉서(12)로부터의 디지탈 비디오신호를 디코딩하는 비디오디코더(13)와, 상기 MPEG2 디멀티플렉서(12)로부터의 오디오신호를 디코딩하는 오디오디코더(14)를 포함하는 무궁화위성수신기(10)에 있어서, VCD를 판독하여 MPEG1신호를 출력하는 VCD판독기(20); 상기 VCD판독기(20)에서 출력되는 MPEG1신호를 외부제어신호(SC)에 따라서 상기 비디오디코더(13)와 오디오디코더(14)로의 신호제공경로를 스위칭시키는 멀티플렉서(30)를 구비한 것이다.According to the present invention, a channel section 11 for tuning and QPSK demodulation of an RF signal input from an antenna, converting and error correcting a digital signal, and a digital signal from the channel section 11 is used as a video signal and an audio signal. The MPEG2 demultiplexer 12, which is separated into each other, the video decoder 13 for decoding the digital video signal from the MPEG2 demultiplexer 12, and the audio decoder 14 for decoding the audio signal from the MPEG2 demultiplexer 12. [10] A cross-border satellite receiver 10 comprising: a VCD reader 20 for reading a VCD and outputting an MPEG1 signal; The multiplexer 30 is configured to switch a signal providing path of the MPEG1 signal output from the VCD reader 20 to the video decoder 13 and the audio decoder 14 according to an external control signal SC.
Description
제1도는 무궁화위성수신기의 구성을 보이는 블럭도이다.1 is a block diagram showing the configuration of the Mugunghwa satellite receiver.
제2도는 본 발명에 따른 무궁화위성수신기의 구성을 보이는 블럭도이다.2 is a block diagram showing the configuration of the Mugunghwa satellite receiver according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
10 : 무궁화위성수신기 11 : 채널부10: Mugunghwa satellite receiver 11: Channel part
12 : MPEG2 디멀티플렉서 13 : 비디오디코더12: MPEG2 Demultiplexer 13: Video Decoder
14 : 오디오디코더 20 : VCD판독기14: Audio decoder 20: VCD reader
30 : 멀티플렉서30: multiplexer
본 발명은 비디오컴팩트디스크(VCD) 재생기능을 구비한 무궁화위성수신기에 관한 것으로, 특히 무궁화위성수신기내 비디오/오디오디코더를 이용하여 VCD재생기로부터의 MPEG1신호를 처리하도록 하는 비디오컴팩트디스크(VCD) 재생기능을 구비한 무궁화위성수신기에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a MWD receiver with a video compact disc (VCD) playback function, and more particularly to a video compact disc (VCD) playback for processing MPEG1 signals from a VCD player using a video / audio decoder in the MWD receiver. It relates to a Mugunghwa satellite receiver having a function.
일반적으로, 디지탈위성수신기인 무궁화위성수신기는 무궁화 위성방송중계기를 사용하여 송신지구국을 통해 다수의 소형, 저가의 가정수신기로 TV프로그램과 데이타 서비스를 방송한다.In general, a digital satellite receiver, the Mugunghwa satellite receiver uses a Mugunghwa satellite broadcast repeater to broadcast TV programs and data services to a number of small, low-cost home receivers through a transmitting earth station.
일반적인 기술에 관련되는 종래의 기술에 대한 구성은 제1도에 도시되어 있으며, 제1도를 참조하면, 안테나로부터 입력된 위성방송신호를 채널부(1)에서 동조 및 QPSK복조하고, 디지탈신호로 변환 및 에러정정한 다음에, 디멀티플렉서(2)에서 상기 채널부(1)로부터의 디지탈신호를 비디오신호와 오디오신호로 각각 분리한다.The configuration of the conventional technique related to the general technique is shown in FIG. 1, and referring to FIG. 1, the satellite broadcasting signal input from the antenna is tuned and QPSK demodulated in the channel section 1, After the conversion and error correction, the demultiplexer 2 separates the digital signal from the channel unit 1 into a video signal and an audio signal, respectively.
상기 디멀티플렉서(2)로부터 입력되는 디지탈비디오신호를 비디오디코더(3)에서 해독하고, 또한 상기 디멀티플렉서(2)로부터 입력되는 오디오신호를 오디오 디코더(4)에서 해독하여 출력한다.The digital video signal input from the demultiplexer 2 is decoded by the video decoder 3, and the audio signal input from the demultiplexer 2 is decoded by the audio decoder 4 and output.
이와같은 종래기술에서 본 발명이 해결코자하는 종래기술에 대한 개선점 및 문제점은 종래의 무궁화위성수신기는 VCD를 재생할 수 없었던 문제점이 있었다.The improvement and problem with respect to the prior art to solve the present invention in the prior art as described above had a problem that the conventional Munghwa satellite receiver could not play the VCD.
또한, 종래에 VCD를 재생하는 방법은 먼저 컴퓨터를 사용하는 경우에는 별도의 VCD 재생용 하드웨어나 소프트웨어를 구비하여 VCD를 재생하였으며, 이는 시스템 속도에 따라서 재생화질이 떨어지는 문제점이 있었고, 텔레비젼을 이용하는 경우에는 별도의 VCD재생기를 구입하여야 하는등 여러 가지 문제점이 있었다.In addition, in the conventional method of playing a VCD, when a computer is used, the VCD is played with a separate VCD playing hardware or software, which has a problem in that the playback quality is deteriorated according to the system speed. There are various problems such as the need to purchase a separate VCD player.
본 발명은 상기한 종래의 문제점을 해결하기 위해서 안출한 것이다.The present invention has been made to solve the above-mentioned conventional problems.
따라서, 본 발명의 목적은 무궁화위성수신기내 비디오/오디오디코더를 이용하여 VCD판독기로부터의 MPEG1신호를 처리하도록 함으로써, 별도의 VCD재생기를 구입하지 않고서도 무궁화위성수신기를 이용하여 양호한 음질 및 화질로 VCD를 재생할 수 있는 비디오컴팩트디스크(VCD) 재생기능을 구비한 무궁화위성수신기를 제공하는데 있다.Accordingly, an object of the present invention is to use a video / audio decoder in a MHC to process MPEG1 signals from a VCD reader, so that a VCD with good sound quality and image quality can be obtained without using a separate VCD player. To provide a Mugunghwa satellite receiver with a video compact disc (VCD) playback function capable of playing.
상기한 문제점을 해결하는 것이 본 발명이 달성하고자하는 기술적인 과제이고, 이와같은 기술적인 과제를 달성하기 위한 기술적인 수단으로써, 본 발명의 비디오컴팩트디스크(VCD) 재생기능을 구비한 무궁화위성수신기는 안테나로부터 입력된 고주파(RF)신호를 동조 및 QPSK복조함과 동시에, 디지탈신호로 변환 및 에러정정하는 채널부와, 상기 채널부로부터의 디지탈신호를 비디오신호와 오디오신호로 각각 분리하는 MPEG2 디멀티플렉서와, 상기 MPEG2 디멀티플렉서로부터의 디지탈 비디오신호를 디코딩하는 비디오 디코더와, 상기 MPEG2 디멀티플렉서로부터의 오디오신호를 디코딩하는 오디오디코더를 포함하는 무궁화위성수신기에 있어서,The technical problem to be solved by the present invention is to solve the above problems, and as a technical means for achieving the technical problem, the Mugunghwa satellite receiver having a video compact disc (VCD) playback function of the present invention A channel unit for tuning and QPSK demodulating the RF signal input from the antenna, and converting and error-correcting the digital signal; an MPEG2 demultiplexer for separating the digital signal from the channel unit into a video signal and an audio signal, respectively; In the cross-border satellite receiver comprising a video decoder for decoding the digital video signal from the MPEG2 demultiplexer, and an audio decoder for decoding the audio signal from the MPEG2 demultiplexer,
VCD를 판독하여 MPEG1신호를 출력하는 VCD판독기;A VCD reader which reads a VCD and outputs an MPEG1 signal;
상기 VCD판독기에서 출력되는 MPEG1신호를 외부제어신호에 따라서 상기 비디오디코더와 오디오디코더로의 신호제공경로를 스위칭시키는 멀티플렉서를 구비함을 특징으로 한다.And a multiplexer for switching the MPEG1 signal output from the VCD reader to the video decoder and the audio decoder in accordance with an external control signal.
이하, 본 발명에 따른 비디오컴팩트디스크(VCD) 재생기능을 구비한 무궁화위성수신기의 바람직한 실시예를 첨부한 도면을 참조하여 설명한다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of a cross-border satellite receiver having a video compact disc (VCD) playback function according to the present invention will be described with reference to the accompanying drawings.
제2도는 본 발명에 따른 무궁화위성수신기의 구성을 보이는 블럭도로서, 제2도를 참조하면, 본 발명의 비디오컴팩트디스크(VCD) 재생기능을 구비한 무궁화위성수신기는 안테나로부터 입력된 고주파(RF)신호를 동조 및 QPSK복조함과 동시에, 디지탈 신호로 변환 및 에러정정하는 채널부(11)와, 상기 채널부(11)로부터의 디지탈신호를 비디오신호와 오디오신호로 각각 분리하는 MPEG2 디멀티플렉서(12)와, 상기 MPEG2 디멀티플렉서(12)로부터의 디지탈 비디오신호를 디코딩하는 비디오디코더(13)와, 상기 MPEG2 디멀티플렉서(12)로부터의 오디오신호를 디코딩하는 오디오디코더(14)를 포함하고, 또한 VCD를 판독하여 MPEG1신호를 출력하는 VCD판독기(20)와, 상기 VCD판독기(20)에서 출력되는 MPEG1신호를 외부제어신호(SC)에 따라서 상기 비디오디코더(13)와 오디오디코더(14)로의 신호제공경로를 스위칭시키는 멀티플렉서(30)를 구성한다.FIG. 2 is a block diagram showing the configuration of the MWC receiver according to the present invention. Referring to FIG. 2, the MWC receiver having a video compact disc (VCD) reproducing function of the present invention is a high frequency (RF) input from an antenna. Channel section 11 for converting and error-correcting a signal, and converting and error-correcting into a digital signal, and an MPEG2 demultiplexer 12 for separating the digital signal from the channel section 11 into a video signal and an audio signal, respectively. ), A video decoder 13 for decoding the digital video signal from the MPEG2 demultiplexer 12, and an audio decoder 14 for decoding the audio signal from the MPEG2 demultiplexer 12, and further reading a VCD. To the video decoder 13 and the audio decoder 14 according to an external control signal SC. The VCD reader 20 outputs the MPEG1 signal and the MPEG1 signal output from the VCD reader 20 in accordance with an external control signal SC. The multiplexer 30 for switching the signal providing path is configured.
이와 같이 구성된 본 발명의 장치에 따른 동작을 첨부도면에 의거하여 하기에 상세히 설명한다.Operation according to the device of the present invention configured as described above will be described in detail below based on the accompanying drawings.
제2도를 참조하여 본 발명을 설명하면, 위성방송을 수신하는 경우, 즉 멀티플렉서(30)에서 외부 제어신호(sc)에 의해서 VCD판독기(20)로부터의 신호가 차단된 경우에는 채널부(11)에서 안테나로부터 입력된 고주파(RF)신호를 동조 및 QPSK복조함과 동시에, 디지탈신호로 변환 및 에러정정하고, 상기 채널부(11)를 통한 신호를 MPEG2 디멀티플렉서(12)에서 비디오신호와 오디오신호로 각각 분리하며, 상기 MPEG2 디멀티플렉서(12)에서 각각 분리된 신호중 비디오신호는 비디오디코더(13)에서 비디오디코딩되고, 오디오신호는 오디오디코더(14)에서 디코딩된 다음에 출력된다.Referring to FIG. 2, when the satellite broadcast is received, that is, when the signal from the VCD reader 20 is blocked by the external control signal sc in the multiplexer 30, the channel unit 11 is used. In addition to the tuning and QPSK demodulation of the RF signal input from the antenna, the digital signal is converted and error-corrected, and the video signal and the audio signal are converted by the MPEG2 demultiplexer 12 through the channel unit 11. The video signals of the signals separated by the MPEG2 demultiplexer 12 are video decoded by the video decoder 13, and the audio signals are decoded by the audio decoder 14 and then output.
한편, 상기 외부 제어신호(SC)에 의해서 멀티플렉서(30)에서 상기 VCD판독기(20)에서 출력되는 MPEG1신호를 상기 비디오디코더(13)와 오디오디코더(14)에 제공하는 경우에는 상기 비디오디코더(13)와 오디오디코더(14)는 상기 MPEG1신호의 비디오신호와 오디오신호를 각각 디코딩처리하여 출력하게 되는 것이다.On the other hand, when the MPEG1 signal output from the VCD reader 20 from the multiplexer 30 by the external control signal (SC) to the video decoder 13 and the audio decoder 14, the video decoder 13 And the audio decoder 14 decode and output the video signal and the audio signal of the MPEG1 signal, respectively.
상술한 바와같이, 무궁화위성수신기에 내장되어 있는 비디오/오디오디코더의 MPEG1 디코딩처리기능을 이용함으로써, 무궁화위성수신기로 VCD재생을 실현할 수 있게 되는 것이다.As described above, by using the MPEG1 decoding processing function of the video / audio decoder built in the MHC, the VCD playback can be realized with the MHC.
상술한 바와같은 본 발명에 따르면, 무궁화위성수신기내 비디오/오디오디코더를 이용하여 VCD판독기로부터의 MPEG1신호를 처리하도록 함으로써, 별도의 VCD재생기를 구입하지 않고서도 무궁화위성수신기를 이용하여 양호한 음질 및 화질로 VCD를 재생할 수 있는 특별한 효과가 있는 것이다.According to the present invention as described above, it is possible to process the MPEG1 signal from the VCD reader by using the video / audio decoder in the Munghwa satellite receiver, so that a good sound quality and image quality using the Munghwa satellite receiver without purchasing a separate VCD player There is a special effect that can play a VCD.
이상의 설명은 본 발명의 일실시예에 대한 설명에 불과하며, 본 발명은 그 구성의 범위내에서 다양한 변경 및 개조가 가능하다.The above description is only a description of one embodiment of the present invention, the present invention is capable of various changes and modifications within the scope of the configuration.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960031848A KR100190615B1 (en) | 1996-07-31 | 1996-07-31 | Mugungwha satellite receiver with the function of reproducing the video compact disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960031848A KR100190615B1 (en) | 1996-07-31 | 1996-07-31 | Mugungwha satellite receiver with the function of reproducing the video compact disk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR980013401A KR980013401A (en) | 1998-04-30 |
| KR100190615B1 true KR100190615B1 (en) | 1999-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960031848A KR100190615B1 (en) | 1996-07-31 | 1996-07-31 | Mugungwha satellite receiver with the function of reproducing the video compact disk |
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| Country | Link |
|---|---|
| KR (1) | KR100190615B1 (en) |
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1996
- 1996-07-31 KR KR1019960031848A patent/KR100190615B1/en not_active IP Right Cessation
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| KR980013401A (en) | 1998-04-30 |
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