I followed the original link as well as this calculation. Why not use this to map them directly (instead of breaking it into 12 bits and 4 bits) ? We'll just ha

I followed the original link as well as this calculation. Why not use this to map them directly (instead of breaking it into 12 bits and 4 bits) ? We'll just have some unused headroom in 16 bits. This would seem more natural than thinking of the 12 + 4 solution.