I am wondering if someone can explain this. If I record an Atmos track from Apple Music, and playback via Kodi, it sounds completely different (better) than when playing through the Apple TV via the official app. It's difficult to describe, but the Apple Music version sounds "muddier" and not as crisp and punchy. The volume is definitely lower on Apple Music, but even when adjusting for that, the difference is astounding.
- Recording methodology is MacBook Pro > Apple Music App > Audacity with Blackhole 16CH virtual sound driver > export as FLAC. The Atmos metadata is not captured doing this, but all 6 channels are discrete and in-tact.
- Playback methodology for the recorded file is Nvidia Shield Pro > Kodi > Denon 3700 AVR.
- Playback for Apple Music is Apple TV 4K 1st Gen > Denon 3700 AVR.