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.
Sonos Beam (Gen 2) soundbar adding HDMI eARC, Dolby Atmos, Amazon Music HD skills and more | StereoNET North America
Sonos Beam review | What Hi-Fi?
How to Play DTS Audio on Your Sonos Beam & Arc Soundbar
The Sonos Beam Gen 2 is a Dolby Atmos version of the brilliant original Beam soundbar | What Hi-Fi?
How to get DTS sound on Sonos Arc and Beam | Trusted Reviews
Sonos Adds DTS Support to Sonos ARC and Beam - ecoustics.com
DTS Audio Support Will Reach Sonos Arc, Playbar, Beam And Other Speakers Via OTA Before The End Of The Year - Bullfrag
Sonos Beam (Gen 2) Review - RTINGS.com
Sonos finally adds DTS audio support to its home theater lineup - The Verge