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Old 12-12-2012, 11:54 AM
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Zenith Walton My 1st TV
 
Join Date: Nov 2008
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Quote:
Originally Posted by lnx64 View Post
I don't think I understand the concept of TV lines.

For example, if VHS has around 240-250 lines, why is it still interlaced with over 400 visible lines?
Relates to how many parts each horizontal line can show, making vertical lines in the picture. Equates to about 80 lines per mHz. The higher the video frequency the finer detail each horizontal line can resolve, making up vertical and overall picture detail. If that makes any sense!
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