the high-definition multimedia interface (hdmi) is an audio/video interface for transmitting uncompressed digital data. the main use of an hdmi cable is to connect components such as a dvd player to a high-definition television (hdtv). hdmi is the uncompressed, all-digital standard used for high-definition (hd) quality for consumer electronics and pc products using a single cable. it transmits digital video, multi-channel surround sound, and control data through a single cable. it replaces up to eleven older cables with a single connection. it uses the same technology as dvi but is more commonly used, especially for consumer electronics and laptops.