Resolution when changing formats - AVS Forum
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post #1 of 2 Old 04-09-2002, 10:53 AM - Thread Starter
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On direct view HDTVs how does the resolution, or the number of lines change when going from one format to another. For example if you have a 4x3 set and the program is 16x9 with 1080 lines, what is the number of horizontal lines that the set can display? I would thing that it would be something less than 1080.
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post #2 of 2 Old 04-09-2002, 11:03 AM
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Most HD-ready 4:3 direct views have a shadow mask with about 600 holes top to bottom, i.e., will support a maximum of about 600 horizontal lines top to bottom. A 16:9 area within the 4:3 area will obviously use only a subset of those lines. That's a far cry from 1080 lines.

Basically, HD-ready 4:3 consumer sets are not very "HD" in the vertical resolution. They're a little better in the horizontal direction.

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