digital converter box sound problems

[genesis h]

i have recently purchased a digital converter box, and when hooked up to the tv, i get a good picture, however, i get a horrible humming sound. i tried using a different tv set, but still had the same problem. has anyone experienced this problem? if so, any suggestions for fixing this problem?

[Gatekeeper]

Hi genesis, what's the audio output like for your digital converter box?

[genesis h]

im unsure what you mean. there is an av cable option, or just a coax cable that runs directly into the tv. i have tried both, and get the same result. im guessing its a problem with the box itself.