Solution: When set to multi the receiver will upmix audio to all the speakers, however unless the speaker are set to small in the receiver settings the sub woofer will not receive audio.
The HDMI output of my computer runs from my RX580 to my Sony STR-DH770, from there I have 4 Klipsch R-15M speakers and a R-10SW. When I use the speaker test in the sound settings everything is correct, and the speakers play the test sounds in 4.1 surround. When I play the clips from Dolby access...