I'm not sure why I didn't think to go to wikipedia. https://en.wikipedia.org/wiki/Dolby_Atmos https://en.wikipedia.org/wiki/Dolby_Atmos says it's a format that

I'm not sure why I didn't think to go to wikipedia. https://en.wikipedia.org/wiki/Dolby_Atmos https://en.wikipedia.org/wiki/Dolby_Atmos says it's a format that stores up to 128 audio channels with 3d spatial information for each. Pretty cool!