CTIA Determines 2 TV Stations Can Share a Single Channel
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Who will fall for this?
What stations will jump at the chance to sell their spectrum in the hopes that they might possibly be able to share with another station? The only station that would would have to be struggling in the first place and a change in channel would result in an even greater drop in viewers.
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I dont care what kind of hocus pocus ATSC encoder you use, you cannot have 2 HD and 2 SD video streams of good quality on one 6mhz ATSC channel using MPEG-2 compression.
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If I had to guess, I'm thinking they're wanting to use some different compression scheme. I think that Mexico is adopting another format, in addition to MPEG-2, although I don't recall which it is. I believe that stations will be able to choose which one they adopt. It could be that this is what the CTIA is proposing. Of course, it still can't magically create spectrum where there isn't enough, and it will break all the ATSC tuners out there, but why should these minor details get in the way of freeing up spectrum for the big carriers, especially when they're squatting on plenty of spectrum they aren't even using?
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I predict that you'll see stations do this as a way to exit the market. A struggling station would sell back their channel, ostensibly to participate in channel-sharing with another station, but then that sharing wouldn't happen, or it would only occur for a short time, at which point the station will sign off completely or sell out to the station they're sharing with.
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