Science, Technology & Medicine

TV ghosts
TV ghosts
The old analog TV broadcast signal was susceptible to multipath distortion, in
which the signal took paths of different length (by reflecting off buildings, etc.) and
reached the receiver at different times. This caused ghost images to appear, offset
from the main image. The new digitalĀ  TV broadcasts don't have this problem.

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There is 1 comment for this item.

Posted by CJ at 11:22 pm (PDT) on Fri October 3, 2014   
If you are using an antenna and digital converter box...instead of ghosts the image gets all pixelated. At least with analog you could still hear and somewhat see the program despite the ghosts.

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