[pharsyde]

this read may be of interest to you ..

These new high-resolution codecs are backwards compatible with existing decoders, but only in their most basic form. For the better sound you'll need either a player that decodes (and sends that audio out via PCM over HDMI or analog 6-channel out) or a receiver/processor that decodes the format, and a player that will output the bitstream of these codecs.

*credit home entertainment magazine.

here is the article in it's entirety