Like said, I'm using a USB-C to HDMI MHL adapter to output my phones sound to my yamaha receiver, as I want to listen to DTS tracks on my home stereo. The receiver sees the signal and my phone, using MX Player, is properly playing the DTS tracks, but for some reason the receiver is only receiving a stereo signal, so its only giving me 2.0 sound. I can't for the life of me figure out what step I'm missing. I even went so far as to install Dolby Atmos on android but that was a no go too. Any ideas?