What are Dolby Atmos and DTS:X?

Discover how a soundbar can generate surround sound effects, and learn about Dolby Atmos and DTS:X.
There is a soundbar below a TV screen. The different channels in the soundbar begin emitting sound. It has three forward-projecting channels and two up-firing channels.
In the living room, there is a soundbar setup including a main soundbar unit below a TV, a subwoofer next to a console, and two rear speakers behind a couch on a stand. They all emit sound in various directions including forward and upward to create a virtual surround sound effect, as indicated by a blue dome enveloping the livingroom. Below, there are logos for Dolby Atmos and DTS:X.

7.1.2 vs 5.1.4: Dolby Atmos vs DTS:X - Which is Superior? — Eightify

Sony 3.1ch Dolby Atmos / DTS:X Soundbar

DTS:X vs. Dolby Atmos

VIZIO M-Series 5.1 Premium Sound Bar with Dolby Atmos, DTS:X, Bluetooth M51ax-J6

Dolby Atmos vs DTS:X - 5 Reasons One Is Better [2020]?

DTS unveils its revolutionary DTS X surround sound

What is DTS:X? Why is it important?

Samsung 5.1.2-Channel Soundbar with Dolby Atmos/DTS:X Black HW-Q850A/ZA - Best Buy

Monolith by Monoprice HTP-1 16-Channel Home Theater Processor with Dolby Atmos, DTS:X, Auro-3D, Roon Ready, and Dirac Live Bass Control Compatibility

Dolby Atmos Beyond 7.1.4 – Part 6: Reconfiguring Everything (Again) - High-Def Digest: The Bonus View