Crackling sound on my uverse TV receiver
While watching TV there is an intermittent crackling sound coming out of my TV speakers. I have it connected via HDMI. I have tried 3 different cables and two different ports on my HDTV. I've tried restarting the receiver. I've tried switching from stereo to surround on the receiver. There are no other audio options available. The crackling does NOT go away.
When I use my Apple TV 4k, there is no crackling from my HDTV, it is perfect. Does not matter which cable or HDMI port I use, the audio out of Apple TV is crystal clear.
What is wrong with my receiver? This is the extra receiver (not the dvr receiver). It is wired via ethernet.
Is there something I can do to fix this receiver? Or, how do I get it exchanged?