[BC] Re: Super Modulation and distortion
Bob Groome
bobgroome
Thu May 12 18:51:03 CDT 2005
I was involved (as field tech) in the Harris
BC-5HA at the Woody Sudbrink station in Maryland.
Mostly talk as I remember, and comfortably put
out 160% positive. And is sound quite good. The
commercials did not sound bad either (music on
them, that is). They did go through the plant and
polarize all the mics as best possible and had
the Gates limitere with the auto flip over relay
that keep the higher peak as Positive.
Bob G
--- Robert Meuser <Robertm at broadcast.net> wrote:
> Depends on how you do it. Some voices can
> assymetry to over 200%.
>
> R
>
> Barry Mishkind wrote:
> > At 06:49 AM 5/12/2005, Phil Alexander wrote
> >
> >> Consider what
> >> you might do with 250 W and +1000% a/k/a
> DSB, mostly suppressed
> >> carrier. <g>
> >
> >
> > But, isn't asymmetrical modulation
> really distortion by
> > definition .
> >
> > It has been too many years, but I
> seem to recall that past
> > around 150-170%, you are so
> asymmetrical that the
> > distortion becomes annoying to the
> listener.
> >
> > ....voice not included.
> >
> >
> >
> >
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Bob Groome
"Women and elephants never forget". Dorothy Parker
Home address is bobgroome at yahoo.com
Work address is bobg at jampro.com
Web: www.Jampro.com
at Jampro Antennas, Tel: 916-383-1177 Building TV & FM antennas for 50 years
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