confused about dolby's 5.1.2 overhead speaker placement guide

Surround Sound Speakers, Types of Surround Sound

The Dolby Atmos, DTS-X, and Auro-3D Discussion Thread, Page 2

Dolby Atmos Best Speaker Setup Practices In the Home

Dolby Atmos Best Practices for Proper Home Playback

Dolby Atmos Without Ceiling Speakers: Is it Possible? > Sound Unlocked

Bad Atmos!! Is a 5.1.2 Dolby Atmos Setup any Good?

Dolby Atmos Elevation Speakers Take Immersive Audio to New Heights – SVS

Using 5.1.2-channel system

Atmos Speaker Position Contradiction?

2.0, 5.1 and 7.2 Surround Sound: Pick the Best Layout

The dobly atmos specs say two different placements for the same set up. : r/hometheater

5.1.2 Atmos speaker placement help

What Is Dolby Atmos Immersive Surround Sound?

5.1.4 vs 7.1.2 Dolby Atmos Setup Which is better for Home Theatre System? Tip for Getting Both