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From: "Ian J. Ball" <ijball@mac.invalid>
Newsgroups: rec.arts.tv
Subject: Re: What Did You Watch? 2024-11-15 (Friday)
Date: Sat, 16 Nov 2024 12:09:01 -0800
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On 11/16/24 11:11 AM, Adam H. Kerman wrote:

> Ian J. Ball <ijball@mac.invalid> wrote:
> 
>> . . .
> 
>> So, then I turned on Tubi, and was blown away!!:
> 
>> Tubi was offering the stream of Houston vs. Arizona football game last
>> night (which aired on FS1?), and the magic words "*available in 4k*"
>> were shown on my Apple TV box! And, indeed - looking at the game it
>> probably was showing in 4k (though I suspect this was 1080p "upscaled"
>> to 4k on Fox's end, rather than true "4k")... Still, I never expected a
>> simple college football game to be available in 4k, and certainly not
>> from Tubi of all places!!
> 
>> I wonder if this is a sign that the streaming of more sporting events in
>> 4k is about to become more commonplace...
> 
> Live sports were a major reason for video development. Apparently, 4K
> cameras are ubiquitous.
> 
> https://www.bestbuy.com/site/vivitar-4k-digital-camcorder-black/6574116.p
> 
> I'm guessing the raw video feed should be 8K to get something to
> broadcast as 4K but I have no idea.
> 
> And maybe streaming really is set up to change the bandwidth the stream
> requires on a case-by-case basis. 

It definitely does. While Tubi is usually 720p, I suspect that a few of 
their original films are shown at 1080p. And Tubi apparently reran some 
of the 2022 World Cup soccer games in 4k (though I watched those games 
"live" and never had occasion to watch one of the "rebroadcasts" on Tubi.

And, obviously, streamers like Hulu and Peacock (and Max, etc.) do most 
of their offerings in 1080p, but do show select films in 4k.

> Also, I wonder if they do something
> evil, like broadcast the start of the game in significantly higher
> resolution, then switch to 480p knowing that the viewer won't miss the
> end of the game.

I didn't stick around through the end of the game to find out. But I saw 
a decent chunk of the end of the first half, and it must have been 4k 
because there were no "artifacts" of my TV trying to "upscale" on its 
end like it does with football games on the broadcast nets.