With Dolby Atmos tracks on Apple Music, Apple receives new masters from the record labels where Dolby Atmos is already in the source. You are taking a 2-channel source and apply algorithm/DSP, trying to map it to 7-channels, and that is then being played back and simulated by your 2-channel headphones. If you are using a Windows PC and run old surround virtualisation tech like Dolby Headphones or Creative CMSS:3D that have existed for a very long time, you apply it to music from iTunes or whatever. But comparing this to the age-old surround virtualisation we have had for years isn't fair. Sure, you are virtualising when playing back on headphones as you only have two speakers. One massive difference with "native" Dolby Atmos tracks on Apple Music is that the source has been mixed with Dolby Atmos in mind from the getgo. Are there any impressive Dolby Atmos examples in AM that I should try tonight? Maybe I just picked 4 bad songs. I listened to some John Lennon songs and Maroon5. Vocals sound muddy and it sounds like a filter was applied similar to applying a filter in Audacity. I also tried Dolby Atmos last night with my AirPods pro on my mom’s phone (she used AM). If sounds and feels like I was sitting in the front row at the concert. In fact the stereo recording is so well done that when I’m sitting in the correct “sweet spot” with my real stereo you can pin point each instrument in front of you. I turned it back off and it sounded like it should. Not sure how the concert footage was encoded (I also have this on VHS and DVD, and CD), but it sounds like garbage. Turns out that spatial audio was enabled and it was trying to give me a Dolby Atmos experience. I have a movie purchased from iTunes (John Denver: The Wildlife Concert) I noticed it sounded funny when I was listening to it a month ago with AirPods Pro.
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