A:Answer DOLBY WEB SITE says all current Blueray players [HDMI v1.4] will pass Atmos bitstream on to the receiver, as well as AC3 5.1, 7.1 and other Dolby and I think DTS bitstream codes.The Blueray player does not need Atmos or other decoders,it passes on bitstream for decoding.The decoders the player has are 2 channel mixes for TV and Sound bars. See Dolby Atmos web site! SEE MY OTHER ANSWERS