Sure, that doesnt mean that they cant find other providers.
So where is all linear UHD going to come from? We must not confuse the broad/cable/satcasters with the networks that they carry! The broadcasters can promise all the magical TV they want but they may have to produce it on their own (as DIRECTV has apparently been forced to do).
While a couple of large station ownership trusts appear to be poised to launch, there are a lot of other owners and owner groups that seem to be much less motivated. The cable companies seem to be lining up on the side of a Next-Gen-TV-free future -- probably because they'd love to see the end of OTA.
Actually, they have been proven. Again, Korea, and all of the test stations here in the US. If something was wrong as you say it is, we wouldn't be seeing hole markets moving to ATSC 3.0.
We haven't seen a single market migrate to ATSC 3.0 (even in South Korea where there's room to run multiple standards concurrently). I'd want to see something significantly more than the testing done to date. It sounds like the FCC wants to see more too given their monitoring requirements.
I suggest that you would do well to either show how South Korea is representative of any US market or stop using them as a poor example.
What you suspect and what is really is two very different things. I got to see mobile ATSC 3.0 at NAB last year and it worked really well from the Las Vegas Test site. Also, your market was a low power class a station test.
Specially contrived proofs of concept should not be construed as tests of full deployment. Reality is where these things have to live, not in a carefully controlled environment with prototype gear.
You conveniently also forget to mention that the majority of the gear can be upgraded via firmware updates through the web for the past 5 years leaving an upgrade path for AC-4 support. You don't need hardware chips to support and decode every codec.
That depends largely on the modulation scheme and how flexible the chipsets are. My five year old mid-line Onkyo AVR can do DD+ and 9.x but it can't do Atmos or AC-4 with or without a firmware update. Below a certain level (including most sound bars), the hardware isn't there even with 2017 models.
Again we go back to the interest in technology as it's clear that there is a strong interest in 4k.
It isn't clear to me. What's clear to me is that there is excitement about HDR and WCG but the content providers clearly aren't convinced that 2160p is something they want to deliver linearly.
Example Xbox one X. Surpassing all expectations.
A new Xbox is going to sell well regardless of how successful UHD TV viewing is or might become. That the Xbox UHD TV viewing experience is entirely non-linear doesn't support the need for linear UHD.
This would all be a lot easier to discuss if it were known where in the timeline this Next-Gen TV thing were to be deployed and whether it will be limited to markets that have room in their broadcast TV spectra. We must never lose sight of the fact that DTV is the current gubmint mandate and it is soon to be initiating a repack that will remove a significant amount of bandwidth from the OTA band. The timing for ATSC 3.0 will likely at least be difficult as DTV will remain the industry standard until a large majority of consumers have
voluntarily given up on it. My market has four ATSC 3.0 test channels that you referenced (all operated by WatchTV) set aside but none of them is powerful enough to reach me.
It is great to be excited by the possibilities of ATSC 3.0 but somewhere along the line, the pudding has to set and I'm not convinced there's a plan in place that each and every station subscribes to.
I hope you'll agree that no matter what the broadcasters want to do and what promises they've made, the Next-Gen transition will go nowhere without support from both the networks (in the form of improved content) and the viewers.