It's on HD feed, and I am using a digital box. I have HDMI going from the cable box to my receiver, and then HDMI to the TV from the receiver. ALL other channels work fine, it's only ABC giving the issue.
The funny thing is too, that even before I had the 5.1 surround setup, the channel would crackel here and there through the TV speakers. Now, it only does it through the rear surrounds. Seems like maybe a broadcast issue specific to ABC?