Dissertation > Industrial Technology > Radio electronics, telecommunications technology > TV > TV and television equipment > Television transmitter and receiver equipment > The receiving device

Based on the Core Chip Kingdom DVB-C Set-top Box of Design and Implementation

Author WangWeiXiang
Tutor LiuLianHao
School Central South University
Course Communication Engineering
Keywords MPEG-2 source decoder set-top box Digital TV
CLC TN948.55
Type Master's thesis
Year 2011
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In today’s society, the information trace to have in-depth social each corner. As the Internet technology, artificial intelligence, computer science and technology, digital technology and the development of human social culture, digital TV to rapid kept development.This topic selection of hangzhou countries GX1001+GX3001 core system solutions, Introduces in detail the whole embedded software and hardware system architecture design processMPEG-2, and to meet the DVB-C standard cable digital TV set-top box receiving technology is studied.To complete the standard definition digital TV peach ChuYuan decoding part of the top box design, this paper first Analyzes the channel decoding, source of decoding, uplink data coding, mpeg-2, modulation solution compress, STB software, display and control and add solution, especially for decoding perturbation technology related to the reuse of the program data flow more complex cream mechanism and reconciliation video coding structure are analyzed; The core of hangzhou countries video decoder chip production GX3001 internal modules resources and peripheral interface circuit functions, structure, principle, and in-depth study on it as the core complete source of decoding circuit hardware design; The software was studied set-top box around, module function and its real-time operating system uCOS-II, analyzes its task mechanism and interrupt response system; Meanwhile the detailed design of audio and video decoding process and interface, menu design; Design, manufacture, commissioning source hardware part, decoder board in the whole STB system commissioning, and complete the sound and video output index hardware and software optimization.

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