What is High Definition?
Regular TVs and the TV channels you watch at home are typically in standard definition. DVDs are also in standard definition. High definition or "HD" is a technological leap forward from the standard definition with up to 6x the picture resolution so that what you see is sharper and more realistic.
Standard definition is lower quality than high definition. Many older TV sets are standard definition and can only show standard definition content. Many new TVs are called High Definition TVs or HDTVs. They are capable of showing high definition content. 720p, 1080i, and 1080p are all high definition formats, but 1080p provides the highest picture quality.
What is Blu-Ray?
Blu-ray is a next generation disc format for 1080p high definition content. If you want to get the best in high definition for your HDTV, you want to get Blue-ray.
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