HDMI (High Definition Multimedia Interface) produced exquisite appearance, ultra-thin, strong anti-interference, because the production process is fine, good material, so the quality is guaranteed. Can simultaneously transmit audio and video signals, the maximum data transmission speed of 5Gbps. No need to send the signal before the D / A or A / D converter. HDMI can be used with a broadband digital content protection (HDCP), has the right to make audio and video content to prevent unauthorized copying. HDMI with additional space can be applied in the future to upgrade audio and video formats