Hi @vaseili,
A warm welcome to the Roku Community!
We understand you have trouble with the audio sync. We'd like to know more about how we can help. Are there any recent changes on your Roku device, perhaps in the setup or settings, that might cause the problem? In addition, can you please specify the exact steps you are taking to reproduce this issue so we can investigate further?
With more detailed information, we will be able to assist you further.
All the best,
Chel
Jecheal R.
Roku Community Moderator