You can simulate quite successfully a 5.1 surround when you set up the sound mode on Adaptative Sound. I tried it with Spotify, regular TV channel and Youtube and surprisingly it works quite well (especially with Spotify), it lets the voices on the center channel and sends instruments, music, etc... all around. Easy example with Shallow where it works very well, both Bradley and Lady Gaga voice are screaming on the center speaker while piano and guitar are sent to the surround speaker. I am still impressed with this mode. The Surround mode looks much less natural in comparison (it is useless to me actually). However, I just found yesterday that while watching Atmos Netflix shows, you have to switch back the sound mode back to Standard for better results. The soundbar is eARC compatible, so if your TV is also eARC you can send uncompressed audio (DTS HD, Atmos etc...) to the sound bar via HDMI. Otherwise as written above the ARC from the TV can only send regular DTS, DD+ (what does Netflix) I have a combo LG C7 + Q90R + Plex that reads 4K remux movies from the PC through Wifi. It works great but it doesn't get the ATMOS from the DTS HD tracks in the 4K remux movies because my C7 doesn't support eARC (C9 does already I think). However, I downloaded the Amaze Atmos demo trailer in DD+ and it pass through the HDMI-ARC via Plex. The Led display of the soundbar is showing it that it is Atmos (and i also listen it :-)) I found it quite ankward from Samsung that none of their last QLED doesn't support eARC while biggest alternative LG's Oled already does. Anyway give a try to the adpatative mode when you are on youtube, you may be surprised
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