Along with the mature high-definition video display technology, people have higher expectations on audio/video experience today. For consumer electronics (CE) devices and home entertainment products, supporting HD audio/video transmission has become an essential requirement. However, while the tendency of mobile devices’ form factor is smaller and smaller, making a product design embedded HD signal transmission interface has become challenging than ever. Also, the high power consumption of HD signal transmission is also a key element that impact the standby time of mobile devices. With these above situation and the increasing needs of mobile audio /video streaming, the latest mobile HD connectivity technical standard – MHL (Mobile High-Definition Link) is therefore released.