Apple’s announcement of Dolby Atmos support has caused an explosion of interest in the format - after all, it means almost any iOS user can stream immersive audio, even if they only have a pair of earbuds to listen on. But how does that even work? And for that matter, what is Dolby Atmos, and why should we care? And what about mastering for Atmos? Is it possible, or even necessary? In this episode we talk to Mike Hillier from Metropolis, and producer and mixer Emre Ramazanoglu about all things Atmos, including:* Why Atmos is different* Why mastering in Atmos is different* How it works in practise* Why the binaural render is so important - and what is binaural ?* Why binaural Atmos sounds different on Apple devices* How does head-tracking affect all this ?* Getting started working in AtmosFull show notes on our websitehttp://themasteringshow.com/episode-81