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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.
Some computers and high-definition TVs can connect to the TV's audio and video with a single cable, while most require separate audio and video cables. 1  If you connect your laptop to your TV via HDMI, you will not need a separate audio cable as HDMI carries audio signal as well as video signal. You can also get an adapter cable to connect your computer's USB port to your TV's HDMI port if your laptop has no HDMI port. 2  Converters, especially analog ones, typically result in a loss of quality, so avoid them if possible.