Platinum HDMI (High Definition Multimedia Interface) is at the leading edge of technological performance (supporting true digital high definition formats 720p/1080i/ 1080p). When you connect two digital devices using HDMI, the digital signal stays crystal clear and noise free over analog signals such as component video. HDMI supports surround sound (Dolby digital, DTS, Dolby Ex) and 8 channel digital audio. Resolution of HDMI audio and video detail is always outstanding and precise.