Audio lag on Xbox one s while being plugged from Xbox to tv

Don't worry about any video lag. Any delay caused by going through the receiver would literally be in the 5 ms range. Alternatively, instead of using the ARC, you could use an optical audio cable from the TV to the receiver, or from the Xbox directly into
the receiver.

My receiver is not HDCP 2.2 compliant, so to get HDR from my Xbox One S, I currently have the Xbox plugged into the HDMI port on the TV, and an optical cable running from my Xbox to my receiver.

Also make sure that it your TV settings the hdmi port is set to "enhanced" , most are not set from the factory . My Xbox One S wouldn't recognize my TV until I did that , then it shook hands . Now if I could get rid of the audio lag when using ARC...

FYI, on my original Xbox one
when I plug in a headset into the controller the audio is redirected from the TV/HDMI to Headset and then when unplugged the audio is returned to the TV/HDMI.

It sounds like the root problem is that your TV is inducing input lag. While you would be able to run HDMI from the console through the receiver which would process the audio, then from the receiver to the TV, it seems that the TV is creating the lag.

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Make sure you enable "Game" under the AV Mode on the TV to reduce the input lag/processing. With the 360, you will gain no audio performance by using TOSLINK vs. HDMI.

I have exactly the same problem. My son's xbox is connected to TV with HDMI, then using the green plugs i plug direct into the red an white audio on the back of his TV. I've tried switching the TV to external speaker and the sound stops on the TV, but
still doesn't come through the X12's. Do I need to bu the Xbox audio cable? Any advise apprecited.