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The World’s Largest Digital TV Trade Magazine
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on these parameters and then compress the signal accordingly.<br />
This is a hugely complex process, and the fact that it<br />
frequently has to happen in real-time doesn’t help either.<br />
CableWorld does a great job for easing that situation: For<br />
one thing, the CW-4412 does not accept incorrect or impossible<br />
parameters in the first place. And for another, it shows<br />
the formulae required to calculate meaningful parameters:<br />
video bit rate >= max. video bit rate<br />
video bit rate >= avg. video bit rate<br />
1.5 x avg. video bit rate = max. video bit rate<br />
0 < min. video bit rate
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