Hi there @rrlith.
A warm welcome here at the Roku Community.
We appreciate you for reaching us regarding your audio issues on your TV. We hear you and we're here to find you the best resolution.
Have you tried to switch your HDMI cable or tried to use another HDMI input on your TV to see if it'll fix the audio problem?
Furthermore, have you tried to connect your Roku device to another TV to see if you are still having the same issue?
We look forward for your response for us to provide you the best resolution.
All the best,
Carly
Carly Y.
Roku Community Moderator