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Who was Harry Nyquist?

Dear Members and constituents,
Ever wonder why a T-1 has 1,536 Kilobits per second of capacity? Why not a round number? Even if you were to use Kilobytes per second you'd come up with 192 KB per second. In case you were wondering, it all comes down to the dawn of digital voice communications. In order to reconstruct a sound, the samples taken can be no less than half of the frequency of the sound we are trying to represent. In normal conversation the human voice seldom exceeds 16 KHz and therefore sampling it 8,000 times per second would be sufficient for both sides to understand each other. They also decided 256 levels (8 bits) per sample provided sufficient information. Of course 8,000 samples per second at 8 bits per sample provide us with 64,000 bits per second, the bandwidth of a phone call. That is, of course, why your voice on a phone conversation sounds a little "tinny" and does not have quite the quality of, say, a CD. You take 24 of these together and, voilĂ , you have a DS-1.


Lately I have been wondering what the energy capacity of a dozen donuts is and how you would express it. I like the idea of expressing it in Kilobites, however that would probably be a measure of how filling a dozen donuts is, not exactly a measure of energy potential. I'm sure you coud take the mass of each donut and multiply it by the calories per mass unit and then add it up… then again, perhaps some things are better left unquantified. Speaking of quantities, due to their reputation for having a smaller size, Mr. Bagnato has proactively brought in five dozen Krispy Kreme dounts. In looking at the selection he made for this his debut, I think we can expect many good Fridays from Jim.


Happy Friday!

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