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.

DTS:X: The immersive audio alternative to Dolby Atmos, explained - CNET

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

LG Soundbar with Dolby Atmos 3.1.3 Channel - S80QY

Samsung 3.2.1ch Soundbar With Wireless Dolby Atmos And Dts:x - (hw-s800b) : Target

Trinnov A comparison in between all major immersive sound formats

DTS 5.1 vs. DTS-HD vs. DTS:X: What's the Difference? - Bzbgear

Dolby Atmos and DTS:X: Leading the Future of Surround Sound – TESmart

How To Install a Dolby Atmos, DTS:X, and Auro-3D Speaker Setup

What is the difference between Dolby Atmos, DTS:X Pro, Auro 3D and IMAX Enhanced?