sky a mini box voice sync issue

[merv300]

My sky Q mini box continually goes out of sync with voices has anyone had this issue and what's the fix?  I have updated all the sky boxes but still the same issue, I have tried this without the fibre optic Bose sound system that's connected and just used  the TV speakers but the same happens it starts okay then after 10 minutes goes out of sync.

Could this be an issue with the Sky Q mini box ?