Does anyone know of a way to filter an HDMI connection from a cable STB to the display? I used a Mondial MAGIC box for this on the coax connection to eliminate the 60Hz hum that sometimes results from connecting cable to an A/V system. It was designed for that purpose. But that was on a CRT, between the STB and TV. I now have a plasma, and the connection is HDMI from the STB, so the hum is back. Putting the Mondial between the STB and the wall results in the loss of some channels (presumably they get filtered out).
Any ideas on this would be appreciated. Thanks.