Processing of analog 5.1 or PCM 5.1

[mla]

Thank you, but later I found this:
"Yamaha claims the RX-V661 will accept SACD and multichannel PCM signals over the HDMI connections, but we couldn't get it to work (the HDMI did pass CD and stereo Dolby signals from DVDs). Instead, we opted for the receiver's multichannel analog inputs to listen to a..."
So, it seems Yamaha RX-V661 is not the solution.