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[blim5001]

The reason I tried was I found this post:

So what is the deal with (lack of) DTS passthrough via HDMI on Android TV?

When you tried this, did you keep using a HDMI cable? Despite the name “Optical” in the setting, its more of a manual override, it can be used whilst the device is connected over HDMI (has channel limits so its not a full solution, but it should tell us what happens when we force DTS over HDMI).

My playback (on my one test) shows as direct stream and I am not noticing it moving ahead, although I did see another user mention that in another thread