If you step into most people's homes and look at their 5.1 audio setup you're going to notice some things which are common to them all.
How to Position Surround Speakers in a Home Theater - dummies
To the rare 0.1% of players that play with a 5.1 surround sound setup, how is the experience with Splatoon 3? : r/splatoon
5.1 Virtual Speaker Setup - Dolby
DTS-X/Atmos Speaker placement
No sound from the center or surround speakers.
Setting up your home cinema sound system
How to Set Up a Surround Sound Speaker System at Home
Surround Sound Speaker Placement
Speaker placement for home theater
What Is the Best Way to Set Up a Surround Sound System? - The Plug - HelloTech
Speaker placement and positioning - Lifestyle® 18 Series III DVD home entertainment system