Dolby Atmos demo in 4k HDR quality.

If you want feel real quality of your 4k tv its better to download demo 4k and play it directly on your 4k HDR supported tv or other 4k hdr supported devices than watch it on YouTube. Because YouTube compress files and you not getting real HDR and 4k quality. Best choice to use 4k HDR Oled 4k or 8k tv.

Here is little info about Dolby Atmos demos trailer:

Amazing sound
Over built-in speakers or headphones, sound seems to come from all directions, including overhead, with astonishing clarity, richness, power, and depth.

Powerful experience

It's sound that excites your senses and inspires your emotions to deliver the full impact of entertainment.

Moving audio

When you put on your headphones, the sounds of people, places, things, and music seem to move all around and above you, so you feel like you're inside the action.

Dolby Atmos for mobile devices adapts the premier cinema sound experience for reproduction over built-in speakers and headphones to create powerful, moving…