I agree that ATSC 3.0 DRM sucks and forces SiliconDust implement a lot of limitations to be compliant so we can just view DRM ATSC 3.0 channels on a Flex 4K. I think the main problem is that we are in the minority of ATSC 3.0 consumers with our "gateway" devices. Being on various AV forums...

It doesn't state that... early it mentions only Dolby Digital Plus and atmos. When ac4 is mentioned it is for the Channels App which wouldn't support built in ac4 regardless (nor pass through such as mentioned) as channels "always" supports ac4 as they have built in the modified ffmpeg to...