Thanks for the DSP explanation, that's what's used on the Boston Boost 5 too based on their look?
An interesting article on competitor on Kimmetto's shoes, "Sole Man: Should You Buy The World’s Fastest Shoe?" :
As a side note, based on the picture in that article it seems the AB2 has the same "scratchy/plasticky" upper as the AB1 behind the front "suede" vs the softer fabric of the BB5.