The confusing thing about Atmos is that there are basically two versions of it. There is the TrueHD version that you get on BluRay discs which is the highest, u

The confusing thing about Atmos is that there are basically two versions of it. There is the TrueHD version that you get on BluRay discs which is the highest, uncompressed quality. And then there is the streaming version which uses Dolby Digital Plus as a wrapper for a compressed version of the audio signal. Atmos on its own really just tells you that there are height channels. Dolby has made all this stuff quite misleading and confusing to the average user.