[BC] Modulation measurement

Dana Puopolo dpuopolo at usa.net
Fri Feb 20 22:01:26 CST 2009


I built a similar type of composite clipper. I called it my UNCLIPPER. Mine
not only protected the pilot, but I also did the same thing in the 2-6 kHz
band as well. It 'unclipped' the L+R audio in this area, allowing you ro run
more composite clipping without audible distortion. It worked quite well. I
only built one of them and never marketed it.
-D

From: Broadcast List USER <Broadcast at fetrow.org>

Once getting a Wizard, I was able to remove the composite clippers,  
which made me happy, without making the PD unhappy.  Oh, how I hate  
composite clipping.

As an aside relating to Eric Small, I was working as a CE for  
Viacom.  My DoE designed a composite clipper that removed the Pilot  
by isolating it with a very high Q L-C filter, inverting it, adding  
it to the Compisite which made it go away.  Then it clipped the  
Pilotless Composite, and reinserted the Pilot.

After building two for my station, I built two or three for every  
Viacom station.  We were doing PC board fab at the station at the  
time.  When the NYC station put it on, Eric Small sued us.

Through a Patent search and as part of discovery, we learned how HE  
was doing it.




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