ATSC 3.0 does anyone know how many subs can fit on a single channel frequency?
I have been looking around a bit and find a lot of information on the physical layer and that 2 channels can be bonded to exploit new features...
But I have not found details on what we can expect as to how many channels can fit on a channel frequency. such as today you can fit a number of 1080 720 and then more 480p subs on the same channel frequency... and with 4k to be introduced I was wondering how much that will eat. I am actually in the process of converting my archive of dvrd shows from h264 to h265 so I understand the new codec will save 40% or more in data Are we expected to see about the same number but the resolution will increase? can 4k even support sub channels at that data rate... thanks :D |
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Just looking for info on how many sub channels will fit on a single real channel and what resolutions will be available and how that effects the number of channels that will fit on a real channel... Maybe I should call samsung in south korea... well that would mean I would need to learn korean first.. that shouldn't take long.. hmmm |
too soon to tell
they are working on it http://www.avsforum.com/forum/25-hdt...l#post46417657 Quote:
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i hope its more
more would be good |
As long as it's not more of the same. Then OTA would be just like cable or dish, 500 channels and still noting but bad re-runs to watch.
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A bit dated already, but this article seems relevant: https://hdguru.com/new-broadcast-tv-...e-coming-soon/
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There's no one answer as each station can opt for one of several data rates. Many groups have talked about data rates if 25 MB/s. That might let a station do 3-4 1080 HD signals, several SD sub channels, and an SD mobile service.
I believe that few stations will opt for 4K, as it's hard to see much difference, especially if the camera uses a 4K sensor and down converted to 1080. |
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