Yes, it does;
1.The audio source must be Dolby Atmos and the screen light shows Dolby Atmos， the non-Atmos audio source shows Dolby Surround (MOVIE/GAME EQ)/Dolby Audio (MUSIC EQ).
2.Both the soundbar interface and TV interface must be HDMI eARC.
3.TV output audio source format is set to AUTO/Pass Through;
TV shows and movies with Dolby Atmos audio：
If you have a Dolby Atmos-capable system and a plan that supports streaming in Ultra HD, available titles will show a Dolby Atmos icon next to their description:
Not every episode or season of a Dolby Atmos supported TV show will have Dolby Atmos available. Also, not every TV show or movie supports Dolby Atmos in every language.
About Dolby Atmos audio：
Dolby Atmos is a surround sound format that provides the listener with an immersive 3D surround sound effect as if the sound is coming from many directions.
Note: The Nova S50 doesn’t support the DTS decoding