Hey AceDefTech, that isn't quite what I meant. What I meant to say was that theoretically an object-oriented sound scheme like Atmos can do any number of discrete channels, but in practice Dolby has set a certain number of speaker positions with placement guidelines for each one. Cinema Atmos does do 5 front stage speakers: refer to page 2 on
this Dolby specification guide. That sort of scheme might make its way to the higher-end home audio Atmos processors. In the meantime Home Atmos does kind of do 5 front stage speakers with a 9.1.x setup, using front wides, like so:
DTS:X, on the other hand, supports front wides, and front heights, so they are definitely giving you 5 front stage speakers, and more like 7:
Auro3D gives you 6 bona-fide front stage speakers, and two center speakers: