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Activity Forums AJA Video Systems 1080p @ 29.97fps 10 bit Uncompressed RGB

  • Jeremy Garchow

    May 6, 2008 at 7:05 pm

    [Simon Dinnigan] “Can we simply add another EasyRaid connected to the other FC port on the HBC and then stripe both Raids together in Disk Utility?”

    Yes, at that point it’ll be raid 50 (two raid 5 sets striped together as raid 0). No need for a switch as long as your raid hardware is internal to the EasyRaid (sorry not familiar with that exact brand) and your fibre card has more than one port. You will be fine there and you will definitely want a dual channel raid to give you the throughput and overhead that you will need.

    [Simon Dinnigan] “it’s like owning a Ferrari and putting a limiter on the engine. “

    Accept what you are trying to do (and using your car analogy) is take a Chevy big block and put that engine in a Ferrari chassis and expect it to perform like a Ferrari. You aren’t limiting the Ferrari engine, you are swapping it out for a different product all together. Just because it says Ferrari on the outside doesn’t make it a Ferrari. Yes the chassis (4:4:4/RGB) is made by ferrari but the power plant (highly compressed 4:2:0 8 bit HDMI footage converted to dual link) is still made by Chevy. No reason to make it a Ferrari when a Chevy is completely capable of pulling the load.

    The point I am trying to make is that the damage to the PS3 footage has been done. 4:4:4 is highly beneficial when you are coming off ultra high definition chips at resolutions at or exceeding 1080p all the while maintaing lossless color sampling. Capturing PS3 as 4:4:4 will not suddenly make it 4:4:4 and will cause all kinds of grief in the process. You will see what the system can do in dual link if you capture footage that has been originated and produced for the dual link process. Anything else you are just wrapping your footage in a dual link container for no real gain. 1080p 422 is fantastic quality and much more easily attainable.

    Now, all that being said, do you HAVE to do it this way for some reason?

    Just curious.

    Jeremy

  • Simon Dinnigan

    May 6, 2008 at 8:10 pm

    Jeremy

    I totally agree with you, and your expansion on my rushed analogy was very poignant.

    [Jeremy Garchow] “Now, all that being said, do you HAVE to do it this way for some reason? “

    The big bosses in London have given us the brief of capturing the footage in 4:4:4 uncompressed, so we have to try and do it. I know that it will make no difference apart from dramatically increasing file sizes and I have told them this, but they want us to try and I want to prove a point by showing them the difference (or lack of) between the 2 captures.

    Thanks again Jeremy

    Simon

  • Jeremy Garchow

    May 6, 2008 at 8:53 pm

    No worries, Simon. Post back with any questions.

    Jeremy

  • Joey Burnham

    June 4, 2008 at 10:26 pm

    You have my sympathy completely. The other week I had a client insist on supplying him with an HD Beta-sp and would not cease and desist no matter how much I tried. Oh, and this was so that he could master a blu-ray dvd. 🙂

    I say just fake it.

  • Jeremy Garchow

    June 5, 2008 at 2:57 am

    Hey Simon. Whatever came of this?

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