Downloading the file is only half the battle. To hear true, uncompressed Dolby Atmos, your playback chain must support . This means your media player passes the raw audio data directly to your AV Receiver (AVR) or soundbar to do the decoding. The Correct Hardware Setup
If you want academic or in-depth technical papers on the audio science behind Dolby Atmos trailers, search these (via Google Scholar or IEEE):
