【摘 要】
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This paper introduces the design of an IC, which is capable of cross-converting between various DTV standards, up to the HDTV resolution. A multi-phase FIR-base
【机 构】
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AI Lab in School of Electronics & Information Technology
论文部分内容阅读
This paper introduces the design of an IC, which is capable of cross-converting between various DTV standards, up to the HDTV resolution. A multi-phase FIR-based filtering algorithm is developed to perform the video scaling tasks. A dedicated fast SDRAM interface is designed in the system, providing an economical high-density storage for frame buffer. Meanwhile, film material pre-processing and frame/field rate up-conversion are also implemented in the memory control block. Finally, all the programmable parameters, such as the filter properties, can be set dynamically at run-time through an I2C interface, making the IC a very flexible system.This design has been verified through an FPGA emulation system. Subjective test of the output images indicates that the IC is a suitable and high quality solution to consumer applications.
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