Bose Acoustimass 10 III System "stop tv buzzing cable" Questions

...TV to the Bose system with higher quality, "shielded" cables and have attempted a number of connection configurations with the same end result. Anyone know what I can do to stop this problem! It ...

...TV satellite reciever to my Onkyo reciever using the HDMI connection. As soon as I did this I heard a humming/buzzing noise coming through my MK Sound SB-1250 THX Subwoofer Speaker. If I disconnect ...

...cable-TV outboard boxes, satellite-TV feeds, TV displays, amplifiers, A/V receivers or turntables. The buzz/hum is a byproduct of the multiple power supply cables and a ground voltage differential ...