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The digitized hard disk broadcast system design

Author: MuGuangLei
Tutor: ZhangDaMinï¼›LiYongRen
School: Guizhou University
Course: Electronics and Communication Engineering
Keywords: Digital TV Hard disk broadcast Video server Video Matrix Master Control System Sub-control system
CLC: TN948.4
Type: Master's thesis
Year: 2009
Downloads: 32
Quote: 0
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Abstract


TV broadcast control system as the final export of television programs , the safety and reliability of its broadcast has been a key consideration of each of the provincial and municipal TV stations and even CCTV . Broadcast as an important part of the digital television in TV digitization accelerated pace , and eventually export the digitization of broadcast control system . Compared to the traditional broadcast control system , the choice of digitizing features , the security higher reliability advantages of digitization hard disk as television broadcast control system , has become the inevitable choice of many domestic television broadcast system . Digitizing hard disk broadcast system to digital video compression coding technology , high-capacity storage technology , broadband network transmission technology as the basis , the TV shows digitized encoded compressed , stored on the hard disk through the network transmission and control , you can easily achieve digital or analog TV broadcast . Broadcast security has also been greatly improved . In this paper, the author participated in the design , construction Guiyang television channel hard disk broadcast system main line , first a brief definition and development process of digital TV , the development of television technology , application of the hard disk system , and a brief introduction to the hard disk system the more important part : the video server and video matrix . Then a detailed account of the hard disk system from requirements analysis , design ideas and process requirements into hardware and software design of each module . Focus on the hard disk broadcast system module design and the problems that may occur in the hard disk broadcast and corresponding solutions and ideas . Hard disk broadcast system not only save time , effort , high signal quality , scalability , broadcast safe and perfect blend of computer technology and video and audio technology in together . In the design of the system , combined with the actual situation and actual needs , from the perspective of safety , practical , convenient sake , advanced technology and practicality into full account of the digital trends and digital broadcast system intelligent hard disk a combination of factors , reliability , scalability , software, hardware set aside room for expansion.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > TV > TV and television equipment > Television production equipment
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