I don't for sure about the Stones Bluray in the OP, but as Ted knows a huge number of music Blurays DO have only 24/48 audio, although it is sometimes in a 24/96 "shell". Fortunately for us, more and more Blurays are being released with true 24/96 or 24/192 sound.
Regardless, though, you're only going to get 16/48 from a Bluray through S/PDIF.