What is HD?

Hi-Definition, otherwise known as HD, is the next generation of visual image quality for home entertainment.


Current standard definition (SD) material uses only 576 vertical picture lines of resolution. Hi-Definition images are made up of from 720 to 1080 horizontal scan lines, a quantum leap in sharpness and vivid detail.


DVD is able to support only SD and does not have the necessary storage capacity to satisfy the content rich needs of HD.


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