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TV Dialog Delay from Samsung TV via eARC to Sonos Arc Ultra

  • December 17, 2025
  • 2 replies
  • 14 views

I have set all delays to zero on both TV and Sonos. I have set TV to Pass-Thru.  I don’t know what else to do to get rid of sound delay. 

2 replies

Stanley_4
  • Lead Maestro
  • December 17, 2025

What source, do you have other sources you could try watching to see if all are delayed?


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  • Prodigy II
  • December 17, 2025

It can drive anyone crazy 😖

On my setup I watch/stream everything through my Apple TV.
(Apple TV 4K 2021-Ultra-Sub4-2xEra300-Samsung S90C)
SONOS settings are 0 on Samsung it's +40, nothing changed on ATV besides Atmos is turned on and Improve dialogue and minimize loud sounds are turned off.

I can sometimes experience a delay in the sound, but if I just close the App completely and open it again then it's gone.
Try removing all cables to your Samsung and turning off all devices (remove power to all devices by unplugging) leave everything for 5-10min and then restart it. Many times this simple trick fixes everything.