![]() See if that helps.I have an LG 49UK8500PLA and Sonos Beam soundbar and have a very similar problem when watching Dolby Digital content from Sky Q. Then choose USER menu, go to additional HDMI settings, audio sync and choose manual. You'll see a big b&w menu, press the left arrow key in the middle of the remote. You can get into the service menu on the Fios One by turning the power off at the switch on top of the box, then quickly pressing OK 2X on the remote. Did you try the optical out of the Fios box to the soundbar? Or the optical out of the TV to the soundbar? HDMI ARC has been known to create sync issues in the past. The streaming apps work correctly because they are built into the TV and don't require any processing like the external devices do. Apparently when it sees a PCM audio signal, it syncs with it properly. What is happening is the TV is taking much longer to process the audio than the video. In an era where virtually everyone has a smart TV and sound system, it’s frustrating that this issue is not fixed. Nothing seems to change it unless I put it on PCM. Also tried game mode and adjusting/turning off all auto settings. I’ve tried fios direct to soundbar and via optical. I currently have fios to tv via HDMI and tv to soundbar via HDMI ARC. Check you have the latest Samsung you for the input. Have you tried Fios direct to the TV then HDMI ARC out of the TV to the soundbar? Does the TV-soundbar combo do the same thing if fed by a DVD or Bluray player? Also I seem to recall a Firmware update by Samsung that fixed this issue. Also there is occasionally a delay with some TVs when they process audio out of their optical outs. Try changing the TV mode to Game mode, or cutting back as many of the "AUTO" enhancements you can in the TV. Sounds like there is too much video processing going on with your TV to keep it in sync with the audio. You are correct that audio delay is the opposite of what you need. Your problem, audio behind video, is a rare case. I’m trapped with Verizon for now but when I move I’m thinking I need to stitch to xfinity because I have not heard of these problems. This seems like an issue with fios? Any help is welcomed. When I wire the soundbar to fios then soundbar to tv via ARC, it still defaults to pcm and can’t change out. I’ve tried everything listed on other chats: connected fios to soundbar directly, changed all the fios settings in menu and in the diagnostic menu (pass through, etc) and nothing corrects it. The only solution I have seen is set the output to PCM which basically negates the soundbar and any Hope of Dolby. No matter what I’ve tried, the fios audio is out of sync where the lips move before sound - so not something that can be fixed with the sync delay. I have fios one cable box, Samsung qled, and Samsung soundbar. See if that seen this problem as “solved” by others but the solution has been give up. ![]()
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