What is HD?

MikeD2k3

Member
Dec 23, 2002
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When it is said that something is HD, does that only mean it's higher resolution? I know TV is around 320x240, DVD is ~720x720 max. If it's only resolution, how high is the resolution to make it HD?

Thanks
MikeD
 

rbV5

Lifer
Dec 10, 2000
12,632
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When it is said that something is HD, does that only mean it's higher resolution?
Specifically it means "High Definition" the most common formats are 720P (1280 x 720) progressive scan and 1080i (1920 x 1080) interlaced scan.