[Scan-DC] [OT] De-Ess and FM

[Shawnerz]

All,
I've got another off topic question.
You may remember that I'm overseas.  There are
broadcast stations that, well, lets just say that they
don't meet FCC rules.
Here's my question: in FM, what causes "S's" to be
slurred at the receiver?
Is it lack of dynamic range in the transmit path?
Lack of pre-emphasis?

Another question along the same vein, remember when
MSP's main radio operation was on low band VHF? (I
know they still use it for talk around).  The audio
always sounded "muddy."  I assumed that the reason for
that was their transmit audio was not pre-emphisized. 
Does anyone know if this was the reason?

Thanks in advance,
-Shawn

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