@Kaneooo wrote: I have a 4K cable box and noticed recently with some channels (AMC & Showtime) the audio for loud noises pops/cracks. I have a sound bar hooked up and it happens when I try using the tv built in speakers as well. Not sure if anyone else is experiencing this. Could it be the cable box itself? Haven’t had this issue before and not happening to other TVs in the house. Thanks AMC is notourious for terrible sound on Xfinity. Run a forum search and you will see multiple issues. I have heard what you are talking about on both Showtime and AMC. If it is isolated to those two channels then it is highly unlikely to be your equipment or Comcast. It is more likely a signal issue between Comcast and the channel. I describe it as hearing just a quick "Pop" at random on these channels. The better your sound system the more obvious the noise is. You may be better off reporting this to AMC and Showtime directly on their web sites. I know AMC responded to me back when it was really a problem. They basically said they were aware of it and working on a correction.
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