把bmp檔轉換成NTSC的格式，程式的輸入是bmp檔，程式會自動轉換成720*480的大小，然後經過一連串的轉換，把bmp變成NTSC的格式，可以放入嵌入式版子變成視訊撥出來-Bmp files put into NTSC format, the program input are bmp files, the program will be automatically converted into 720* 480 size, then a series of conversion, bmp