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Old 07-25-2009, 12:34 PM   #1 (permalink)
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Default Will it ever be physically possible for tv stations to broadcast 1080p

Say for instance a station isn't broadcasting anything else except for their HD signal OTA. Will it ever be possible for them to transmit signals at 1080p?
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Old 07-25-2009, 03:49 PM   #2 (permalink)
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It is physically possible for broadcasters to perhaps broadcast 1080p30, but not 1080p50 and 1080p60, which is the gold standard for Blu-Ray discs. However, don't even expect 1080p30 -- the changes needed, with regard to transmitters and tuners, would be far too substantial -- too much to be able to justify for improvement in resolution that would be gained. Expect, instead, that someday we may see some more substantial improvement -- figure something like 2160p ("Quad HDTV").
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Old 07-25-2009, 04:16 PM   #3 (permalink)
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It is physically possible for broadcasters to perhaps broadcast 1080p30, but not 1080p50 and 1080p60, which is the gold standard for Blu-Ray discs. However, don't even expect 1080p30 -- the changes needed, with regard to transmitters and tuners, would be far too substantial -- too much to be able to justify for improvement in resolution that would be gained. Expect, instead, that someday we may see some more substantial improvement -- figure something like 2160p ("Quad HDTV").
I would like to think that we'll see some advances in hologram and 3-d before broadcasters spend the cash to upgrade for sending 2160p res. Sorry, I'm a big trekkie over here.
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Old 07-25-2009, 06:41 PM   #4 (permalink)
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Originally Posted by bicker View Post
It is physically possible for broadcasters to perhaps broadcast 1080p30, but not 1080p50 and 1080p60, which is the gold standard for Blu-Ray discs. However, don't even expect 1080p30 -- the changes needed, with regard to transmitters and tuners, would be far too substantial -- too much to be able to justify for improvement in resolution that would be gained. Expect, instead, that someday we may see some more substantial improvement -- figure something like 2160p ("Quad HDTV").
There were so many tube TVs around in the beginning 1080i was considered better. 720p actually have to be converted in a lot of early tub sets to interlaced.

I could be wrong, but I can't see any advantage to 1080p restricted to 30 frames per second. To a large degree if you have an LCD or Plasma TV you are watching it now (in a sense). When displaying 1080i on a modern screen at least 2 fields are stored in memory to create a non interlaced field to be used to drive the LCD or Plasma.

I am speaking just from data I have read, without having seen 1080p30, then again few have over an OTA channel.
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Old 07-25-2009, 09:16 PM   #5 (permalink)
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Not on 6Mhz bandwidth....now if they widen the bandwidth, then its easy peazy.
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Old 07-25-2009, 09:19 PM   #6 (permalink)
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1080p30 will fit in a 6MHz channel. It's sent as no more bits than 1080i30
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Old 07-25-2009, 09:51 PM   #7 (permalink)
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hey piggie, tried to catch you on previos post. do you have a rough idea on the min/max in db's at the wall plates for digital signal? i'm figuring out the system i'm installing for splitter /tap runs and losses. also want to make sure i don't over drive.
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Old 07-25-2009, 09:53 PM   #8 (permalink)
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i haven't been able to get a straight yet. maybe you can help. thanks
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