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posted by on Monday February 06 2017, @01:08PM   Printer-friendly
from the mine-eyes-have-seen-the-glory dept.

A couple of weeks ago in news of someone coming out with 8K resolution televisions, I left a comment to the effect that I have a 4K TV, but there's no 4K content, so an 8K TV was a bit silly. Someone said they thought Netflix had a couple of 4K offerings.

I recently ran across news that I'll have 4K content in the nebulous future. The FCC [US Federal Communications Commission] is taking its first steps toward over the air 4K broadcasts. but it appears that it may be a while before I see it.

There's more about it here at CNet. But all three articles raise questions that aren't answered, primarily, what about bandwidth? It seems to me that without extremely tight lossy compression, it would take four times the bandwidth of 1080p. Will quality be much better than 1080p after they compress the signal?

How will they get around that? Will I lose some side channels? What do you folks have to say?


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  • (Score: 2) by tnt118 on Monday February 06 2017, @10:36PM

    by tnt118 (3925) on Monday February 06 2017, @10:36PM (#463748)

    Internally we'd likely use some two-way functionality, but the broadcast itself would essentially be one-way. I probably don't have the expertise or vocabulary to get this exactly right, but essentially we'll be moving from a video stream (that does nothing else other than carry some ancillary data) to a far more efficient internet-STYLE delivery.

    Here's one possibility that could come from this: I've heard talk that one feature being considered for the ATSC 3.0 is that a viewer at home could send in a request to a station and have a show delivered (on-demand style), as a file, to a local box of theirs for viewing -- all OTA.

    I, as much as anyone, hope that when the standards are finalized we end up with a system that is plenty robust with sufficient quality.

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  • (Score: 0) by Anonymous Coward on Tuesday February 07 2017, @03:49PM

    by Anonymous Coward on Tuesday February 07 2017, @03:49PM (#464099)

    But on-demand delivery of files is far less efficient than a continuous data stream. It means duplication of data for every single user, as opposed to a single data stream being broadcast to everywhere.