PS4 Pro outputting PCM via LG CX shows Multichannel PCM 7.1 for Sonos Arc, but rear surrounds have no audio | Sonos Community
Bitstream Dolby option confirmed for PS5 : r/sonos
How to Get 5.1 Dolby Surround Sound from a SONOS PlayBar or PlayBase: BigPictureBigSound
How to get DTS sound on Sonos Arc and Beam | Trusted Reviews
How to Play DTS Audio on Your Sonos Beam & Arc Soundbar
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.
No 5.1 pass through to Sonos Beam | AVForums
How to get DTS sound on Sonos Arc and Beam | Trusted Reviews