I'm pretty sure all that's new is the hearing test app and marketing. AirPods already had these features.
From listening to it work HP sounds to me like multiband compression, in other words divide up the audible spectrum into multiple bands and apply compression on each one individually. Again it was already doing this though.
From listening to it work HP sounds to me like multiband compression, in other words divide up the audible spectrum into multiple bands and apply compression on each one individually. Again it was already doing this though.