BG> Symbol rate = baud  bps.

RS> Symbol rate DOES NOT equal baud, thats why the symbol rate was
RS> introduced.

BG> Are you sure about that?

Yep, they are a similar concept but not identical. The most obvious
difference is that there aint a simple integer ratio between the symbol
rate and the bps rate. There is with the baud/bps with say a V22bis modem.

BG> I was under the impression that the symbol rate is essentially the
BG> same as baud, insofar as it refers to the number of state changes
BG> per second.  Sadly, I can find no specific reference to it in the
BG> Courier manual, but I'm sure I read that somewhere quite recently.

You will find that with say V.34, there aint a single mention of
the word baud in the entire recommendation. Thats done for a reason.

That business about there being no integral ratio between the symbol
rate and the bps rate is crucial and it comes about because of the
scrambler superimposed on the trellis constellation pattern, so you dont
actually have that simple concept of state changes per second any more.
@EOT:

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