Discussion :: Communication Systems
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In PAL system weighting of R - Y and B - Y signals is done to
A.
prevent over modulation on saturated colours
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B.
prevent under modulation of saturated colours
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C.
allow over modulation of saturated colours
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D.
allow under modulation on saturated colours
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Answer : Option A
Explanation :
Weighting reduces the chances of over-modulation of the transmitter carrier in the presence of highly saturated colours when picture has very light or very dark parts.
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