Development of Digital Television Network Tester Based on Dual CPU Architecture

This article describes a kind of embedded solution for Digital Television Network Tester adopting ARM-DSP dual processor system architecture. This architecture considers flexible control of ARM processor and strong signal-processing capability of DSP processor, combines decoding technology of digital television transmission channel and embedded technology. The advantage of abundant software and nice-looking interface of embedded system software is fully demonstrated. Portable digital television network tester of Dual CPU architecture presents stable performance, low cost, integrating function of memory, analysis and communication, and it can be extensively applied in monitoring and diagnosis for various kinds of digital network.