[opendtv] Re: 1080p @ 60 is Next?

  • From: Craig Birkmaier <craig@xxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Wed, 23 May 2007 22:55:02 -0400

At 10:05 AM -0700 5/23/07, dan.grimes@xxxxxxxx wrote:
Craig [5/22]: It will be a long time before the production infrastructure of 1080@60 exists, especially for live origination.

Dan [5/23]: This sentence doesn't correlate with the statement which started this line of discussion:

Ron Economos: "1080p@60 (or 50) emission is next. IMHO, it will be here much sooner than many folks think."

Dan: "But I question that because there is a lot going against it. First, there isn't a lot of production equipment that can do it....I see a production chain for 2K and 4K media developing before 1080p@60 based on what I saw at this year's NAB. I could be completely our to lunch here and I would love to hear feedback from the experts!"

Perhaps I should have been more specific. It is already possible to do post production with 1080@60P and at 4K x 2K. Apple was demonstrating some of this in their NAB booth.

But there is no infrastructure to support live production in 1080@60P as would be needed for a TV station or trucks doing live sports origination. The "live" production chain tops out at 74.25 MHz. You would need switchers, character generators, servers et al.


Ron: "1080p@60 H.264 encoders and decoders are just around the corner. Should be able to buy one in 2008. ATSC will be left in the cold unless they adopt H.264 for the primary program."

Then the discussion turned to the merits (or lack thereof) of producing 1080@60P. It sounds like we agree that there is not and probably will not be 1080@60P production equipment in the near future.


As I noted above, post production tools already exist. The investment in the current generation of HDTV gear must be amortized before we are going to see existing gear replaced. And then there is the issue of adequate economic incentives to produce 1080@60P gear - its a small niche of a small market.

Regards
Craig


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