Any audio that your TV produces will still get sent to the soundbar over the optical connection. That audio will be limited to Dolby Digital 5.1 sound, but if your TV doesn’t have HDMI ARC/eARC ...
While HDMI ARC is limited to compressed audio formats like Dolby Digital, Dolby Digital Plus, and DTS, HDMI eARC is a significantly higher-bandwidth connection that allows for the transmission of ...