该文档详细描述了JPEG编码过程，涉及色系变换、DCT变换、量化、Huffman编码等关键步骤，适合JPEG编码入门学习。-The document is a detailed descr iption of the JPEG encoding process involves color transform, DCT transform, quantization and Huffman coding key steps, learning portal for JPEG encoding.

The MST717 is a highquality ASIC for NTSC / P AL car TV application. It receives analog NTSC / P AL CVBS and S-V ideo inputs from TV tuners, DVD or VCR sources, including weak and distorted signals, as well as analog RGB input from GPS systems.