Dolby Atmos
Object-based audio rendered to the configured speaker layout. Processor limits determine how many discrete outputs can be rendered.
DTS:X Pro
Extends DTS:X to much higher speaker counts on capable processors.
Auro-3D
A layer-based immersive format with its own speaker-layout logic and Auro-Matic upmixer.
IMAX Enhanced
Uses DTS-based immersive audio and certified processing paths on supported products.