03-01-2007, 05:22 PM
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Quote:
Originally Posted by wejones
However, using this unusual  analogy, I think the thing is, that regardless of whether your signal has high FEC or low FEC ratio, they are still sending the same cup of water. It's just that with the low FEC ratio, they are sending extra water in case you lose some of that water, so with low FEC, you have a better chance of getting your 3/4 cup needed to survive. Ie don't get stuck in a desert with a high FEC canteen.
The reason they use high FEC is to be able to squeeze that cup of water into a smaller canteen, ie with no need to include the extra water (ie signals intended for commercial dishes don't have to worry about so many errors). |
There is no "extra" water. Your cup is full. The question is how much of the content is water purification chemicals and how much is water?
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