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2017-07-15T03:58:01-04:00. HDMI or what we called high definition multimedia interface is a computer port that communicates audio on and video without the requirement for compression from a HDMI amenable source video such as compatible computer monitor, display controller, digital television or digital audio device and video projector.
An HDMI cable carries BOTH audio and video you do NOT need a separate cable. Now this assumes you are going from the DVD directly to the TV and not through a surround system or other device, and the DVD and TV both have HDMI ports. Jerry Â· 9 years ago.