Please help! I am using VLC on the Apple TV (HDMI to a projector) to play local video files for a film screening but the Sonos One stereo pair I created won't play sound. The 'room' appears as an output option in the Audio settings of the Apple TV but when I select it (instead of the HDMI) I get no sound. I've tried leaving the HDMI option selected (you can set both) but still nothing. Any leads would be appreciated.