Only Roku TVs will mention "optical" since only Roku TVs have an optical output. Try the various options under the Roku device's Audio settings and if none of them help it's a setting or capability of the TV that's to blame.
Hi - thanks but it's not only Roku TVs that have an optical port; we have a Pioneer plasma. When I change the source on the TV to thr regular TV input for local channels, we hear audio through the soundbar. So based on that the issue seems to be Roku settings, not the TV.
What I meant is that TVs have optical ports, Roku or otherwise, so you won't find any "optical" settings in a Roku device that connects to a TV. Once again, if the Audio settings in the Roku device don't affect it, your only other option is to adjust the TV's settings. Lots and lots of people have a soundbar connected to their TV via optical and get audio from their Roku devices.
Thank you for the clarification. I saw in an online video from 2024 that there are Roku models with an Optical option in Audio settings. The weird thing on our setup is that I hear audio through the soundbar when I switch the source on the TV from Hdmi Roku to TV/ antenna. Unfortunately the audio settings on our tv are very limited. But if the soundbar works with the TV antenna source won't it work with Roku HDMI source?
