Sonos Play 5 Tv Lip Sync

I m not having lip sync issues on my lg series 8 tv from internals apps but some content from external atv4k thats has a just about tolerable lips sync issue.
Sonos play 5 tv lip sync. The lip sync is out and i have tried delaying sound on the sonos app sky q and the tv but nothing seems to hit the nail on the head. Issue detail lip sync audio after video on samsung q80 q60 and vizio tv issue only with dolby encoded audio exampl. I wanna love sonos. I have a lg e8 connected to my arc and i played star wars on disney with my apple tv 4k and the lip sync is.
I read in one place 30ms which isn t bad but i read another place 70ms. Its allowed me to prove there is some bug on the philips tv and not with my sky or sonos so the philips will be going back i am sad to say and i will try a sony bravia next. I ve tried on multiple tvs brands and models and still can t remove the syncing issue. Hi i ve got the new sonos arc and it s connected to my samsung q90r tv via the arc hdmi my tv viewing is with sky q 2tb box.
Hi guys i am hoping someone might have the answer i am looking for to fix a lip sync issue i have with my tv sky q apple tv and playbar. Because of this set up the video is running faster than the audio from my sonos speakers this is causing a lip sync delay when watching tv. I had the same conundrum when choosing to either pick a connect for the other tv we sometimes use or getting a play 5 which can use 3 5mm to the tv but also double as a speaker i ended up going for the play 5 and cant notice the difference either i also use them grouped with my play 1s in the same room. My understanding is that sonos is imposing some latency due to wifi use.
I m getting lip sync issues being slightly out i have adjusted the audio settings to zero on my sky box tv and sonos app but still no joy. Hoping the community can help. But lip sync is not working. I got my arc today and the first thing i noticed is how the lip sync still is broken on sonos products with lg oleds.
I e tv channels that are broadcast with only stereo sound do not suffer from lip sync on the. With hdmi arc on there is lip sync delay if i then press the button on the switch to disable arc the lips sync right up immediately. In the interest of science i found an option to bypass sound from external devices this can have the effect to output sound before the picture. Tv connected to sound b.
I have my cable box hooked up to my sony bravia tv through an hdmi chord. I also experience lip sync problems on my q90r and sonos amp however only with 5 1 surround sound input signal. Sonos imposes enough audio delay to annoy for tv use. I had the playbar before with no p.