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On HD

E

ElmoreGantry

Guest
It seems as though some stations do sound a little different with the HD equipment. Sounds as if the bandwith has been expanded to accomodate for the signal(especially on AM). Engineers, please comment or correct me if I am wrong.
 
> It seems as though some stations do sound a little different
> with the HD equipment. Sounds as if the bandwith has been
> expanded to accomodate for the signal(especially on AM).
> Engineers, please comment or correct me if I am wrong.
>

On AM, the bandwidth for the main channel has actually been reduced. If you tune to 590, for example, you won't hear the splatter from 600 we are all used to hearing. You'll hear a steady level of "static" which is actually data. Works on either side of the station's frequency. I do think the guard bands are being used now to allow for the data channels. The reduction isn't really noticable on WREC, but I can hear a real reducation of audio quality on WDIA.



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Never hold a cat and a dustbuster at the same time.</P>
 
"The reduction isn't really noticable on WREC, but I can hear a real reducation of audio quality on WDIA"

Which is a real shame-WDIA used to be a great sounding music AM and now it's barely average. Seems kind of silly to degrade the quality of the main audio channel (the bread and butter one) in order to use a introduce a technology that NOBODY is listening to. At least AM stereo didn't degrade the mono audio.

You might use it on a talk station because there isn't as noticeable a difference but on a music station it just doesn't make sense when there are so few receivers out there yet.
 
> > It seems as though some stations do sound a little
> different
> > with the HD equipment. Sounds as if the bandwith has been
> > expanded to accomodate for the signal(especially on AM).
> > Engineers, please comment or correct me if I am wrong.
> >
>
> On AM, the bandwidth for the main channel has actually been
> reduced. If you tune to 590, for example, you won't hear the
> splatter from 600 we are all used to hearing. You'll hear a
> steady level of "static" which is actually data. Works on
> either side of the station's frequency. I do think the guard
> bands are being used now to allow for the data channels. The
> reduction isn't really noticable on WREC, but I can hear a
> real reducation of audio quality on WDIA.
>

yes i totally agree about WDIA
there is a range in the upper mids that just sounds bad now
S's and cymbals seem to hit hard on WDIA now

Does anyone here have an HD tuner yet?
 
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