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Home information terminals in video encoding module design and implementation

Author: LuoFeng
Tutor: WangYuMing
School: Huazhong University of Science and Technology
Course: Communication and Information System
Keywords: Analog video Digital Video Video Coding Linux Device Drivers
CLC: TN919.81
Type: Master's thesis
Year: 2011
Downloads: 12
Quote: 0
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Abstract


With the network technology and the continued development of digital media technology , family information intelligent devices gradually into people's lives. Home information terminals as an intelligent household appliances , offers a variety of multimedia services via the network , the user can use it to conduct video conferencing, home security , home entertainment and distance education and other activities. And how the existing infrastructure and the family for good access, and to achieve maximum compatibility , a home information terminals must face and solve a problem. Video encoding module is used to the digital video signal into an analog video signal , to provide a rich back video interfaces to meet in a variety of occasions demand to normal and stable . Therefore, a good video encoding module design and implementation , is a good screen display quality protection. In this paper, analog video and digital video technology carried out a detailed survey , combined with the home information terminal system to the actual needs and characteristics of video encoding module works conducted in-depth analysis . Around two common digital video interface , the design of the four encoding module hardware solutions , conducting in-depth analysis, comparison and selected on the basis of a more appropriate solution for implementation of the system and apparatus in accordance with the model specification linux 2.6 the driver is designed to ensure a good compatibility. Finally, a set of software and hardware solutions for electrical testing and application testing , and achieved good results , to achieve the VGA display and television terminal equipment as well as the stability of the connection. This program has been designed and implemented successfully applied in home information terminal products. The program's design and implementation method can also be applied to other similar systems on the system front-end analog video capture module design also has certain reference and guidance .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Image communication, multimedia communication > Image coding
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