But you would effectively be making the 271 the processor. Remember Atmos\DTS:x can only be decoded from bitstream so it would have to have all the data regarding the numerous speaker layouts, speaker distances, bass management etc. etc.

Main system - Sources (Kodi-HTPC, Vero 4k, FireTV, Sat) into Trinnov Altitude 32 (8-16) (+Roon), Trinnov Amplitude 8 amp & Vivid Audio (Giya G3, V1.5) and REL Stentor III speakers. Others: F80 + Raspberry Pi and other Pi systems.