"Holoportation is a new type of 3D capture technology that allows high-quality 3D models of people to be reconstructed, compressed and transmitted anywhere in the world in real time. When combined with mixed reality displays such as HoloLens, this technology allows users to see, hear, and interact with remote participants in 3D as if they are actually present in the same physical space."
It says it now requires 30 - 50 Mbps, I would assume relative or this compression algorithm is the real story here. Though, it could of been uncompressed bitmaps or something to begin with.
