It's looking like enabling passthrough on the TV and HDH app is making it work, though either on the fireTV HDH app or the Shield version the app keeps changing to 5.1 on its own. I really haven't used my surround with the HDH app very much and I recently discovered there was no sub. I don't even re...

It's just a cheap Toshiba fireTV edition TV, (50C350KU, 2021 Model) I'm feeling a little silly, because I've had this system so long and I haven't messed with setup for years. I am just now discovering/rediscovering with TV and Shield audio settings adjusted I can use my remote to switch between dig...

Made some progress! After years of being convinced I can't get sub out watching youtube videos I have it now. Interestingly, my processor for my surround system now indicates DD Prologic with red flag instead of DD. I changed the audio setting in my Shield from manual format choices to auto play for...

Looks like I made a mistake in the title which has been corrected.

Just to be certain, are you saying you get subwoofer signals over the air? Your sub plays LFE sounds when you watch TV?

I was thinking about how I can get good surround sound watching Youtube videos, but never a signal for my sub. (a call to high audio shop and was told this works in his exp with Apple TV streamers) This caused me to notice this is the case with OTA TV through my HDH tuner also. Just wanted to double...