HDMI (High Definition Multimedia Interface) is a specification that combines video and audio into a single digital interface for use with DVD players digital television (DTV) players set-top boxes and more→other audiovisual devices.N/AN/AHDMI supports standard enhanced or high-definition video plus standard to multi-channel surround-sound audio.N/AN/AThe CDLHD-310A is a gold plated HDMI male to male cable that connects a UHD device such as a Blu-Ray player to a UHD display screen.