INTRODUCTION

HDMI (High Definition Multimedia Interface) is a pioneer in digital transmitting cable family. Combining video and audio into a single digital interface. HDMI is building on the features and benefits of DVI, adding new capabilities,maintaining full backward compatibility with DVI.with transmit frequency up to 5GHZ bps, It can carry high puality multi-channel audio data and can carry all standard and high-definition consumer electronics video fomats.It can also carry control and status informaton in both directions. With a compact interface. HDMI can transmit higher quality digital video signals(10/12bits) and supports digital audio frequency lncluding DVD-Audio, etc. HDMI is widely used for transmitting signals form set-Top Boxes. HDTV and other audio visual cources to television sets, projectors and.other videso displays.