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.

Sony HT-A3000 3.1ch Dolby Atmos DTS:X Soundbar Works with Alexa & Goog — Beach Camera

Why does my new receiver indicate Dolby Atmos/DTS: X playback, but the new 4K Blu Ray player indicates lossless audio only? - Quora

LG Soundbar with Dolby Atmos 3.1.3 Channel - S80QY

LG confirms 2023 TVs will support DTS:X surround sound

Trinnov A comparison in between all major immersive sound formats

Dolby Atmos, DTS:X, Virtual Assistants Power Soundbar Launches

Immersive Formats 2023 - Who's Winning? Getting them all - Auro 3D, Dolby Atmos, dts:X, dts:X Pro

DTS unveils its revolutionary DTS X surround sound

Dolby Atmos VS DTS:X Let's Compare both Technologies

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