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I’ve had my new Apple 4K for about a month and I’ve run into issues regarding delayed sound. The sound will play normal for about an hour before I have to restart it again to get the audio and picture to match. The delayed sound happens on any app, live or streamed.
My Vizio model is D40f-G9.
Hi there jasm23,
Thanks for using Apple Support Communities. It sounds like when you are watching your Apple TV 4K your audio and video are getting out of sync after about one hour. Are you using any external audio source, like speakers, HomePod, or headphones? If so, you may need to set up Wireless Audio Sync. Learn how here: Set up Wireless Audio Sync with Apple TV.
We hope this helps!
Apple 4K TV and Vizio Audio Issues
