Considerable lag on a Sonos Beam when going from PCM to Dolby Digital on a 2017 Samsung TV and an Apple TV as the source. I tried both HDMI and optical adaptor.
How to Fix Audio/Video Lag on Your TV | The Master Switch
Sonos Beam (Gen 2) Review - RTINGS.com
Amazon.com: Soundbar Mount for Sonos Beam : Electronics
Hands-On: Sonos Beam Gen 2 Delivers Good Sound for any Application – CEPRO
Sonos Beam (Gen 2) Review: Big upgrade for small TVs | Trusted Reviews
How to fix lip-sync issues with Sky Q and Sonos | Trusted Reviews
Sonos Beam (second-gen) review: Atmos(t) a minor upgrade - The Verge
Samsung 50" Q60B QLED 4K TV & Sonos Beam Soundbar Gen 2, Black at AV.com