I just received my Roku Stream bar and I connected it to my ONN. Roku TV. I have the bar connected to the ARC HDMI connection. When I'm watching anything on the bar, everything looks fine, but when I switch over to my DIRECTV broadcast, I get a split in my screen. So sometimes depending on the picture being shown, peoples heads will be in two different positions. AS I stated, it does not have this issue when using the apps on the stream bar so I know it's
Thanks for the post.
Have you tried replacing the HDMI cable used to connect your DIRECTV box as well as trying to use another HDMI port on your TV to see if that helps?
Please keep us posted what you find out.
Thanks,
Danny