Thread: BMPCC4K - San Disk Extreme Pro 95mb/s cards

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  1. #1 BMPCC4K - San Disk Extreme Pro 95mb/s cards 
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    I researched this a little - theoretically ProRes 422 would allow the old cards in 4K - amiright?

    Any test you guys made with the BMPCC4K? Getting one to test without media next week.

    Thanks
    Tim
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  2. #2  
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    Prores white paper rates 145mb/s for 24fps prores proxy at 3840x2160.
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    At 23.976, the older Extreme Pro 64gb cards will record 4K Prores HQ, UHD Prores HQ, and UHD raw 4:1, for varying amounts of time until dropping frames. For the less demanding formats, it can go over 5 minutes.
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    Quote Originally Posted by GeranSimpson View Post
    Prores white paper rates 145mb/s for 24fps prores proxy at 3840x2160.
    The way you write 145mb/s and the OP says 95mb/s is bound to cause confusion.

    There is MB and Mb. And I'm really not nitpicking here.

    For memory cards, we're talking about MB (MegaByte) per second and for data rates it's Mb (MegaBit) per second. There are 8 Bits in a Byte.

    So, your number for 145 Mbps for ProRes Proxy translates to 18.25 MB/s.
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    Quote Originally Posted by AndreeOnline View Post
    The way you write 145mb/s and the OP says 95mb/s is bound to cause confusion.

    There is MB and Mb. And I'm really not nitpicking here.

    For memory cards, we're talking about MB (MegaByte) per second and for data rates it's Mb (MegaBit) per second. There are 8 Bits in a Byte.

    So, your number for 145 Mbps for ProRes Proxy translates to 18.25 MB/s.
    Yep. And to avoid further confusion it’s best to use Mbps for ‘megabits per second’, and MB/s for ‘megabytes per second’.
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    Good point, thanks for clarifying.
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    On this does anyone have any footage or can tell me how decent the 1080p full sensor prores is? I want to upgrade to the P4K but 4k is too heavy until BRAW comes around. The 4k just has so many conveniences that I don't have yet on my micro & smallhd dp4 setup that I could either put money into getting things like a new monitor or just up and get a P4K which has the benefits built in!
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  8. #8  
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    Quote Originally Posted by Ryanite View Post
    I want to upgrade to the P4K but 4k is too heavy until BRAW comes around.
    Couldn't you handle ProRes LT? It runs at about 350 Mbps for 4K.

    Apple doesn't recommend it for multi generation workflows, but as a carry over until Braw is here—I think it's quite OK to become familiar with the camera.

    Yes, there are much more powerful option available, but it isn't unusable.
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  9. #9  
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    Where I live we generally tend to write mb (minuscule) for megabit and MB for Megabyte to avoid confusion.
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  10. #10  
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    Quote Originally Posted by AndreeOnline View Post
    Couldn't you handle ProRes LT? It runs at about 350 Mbps for 4K.

    Apple doesn't recommend it for multi generation workflows, but as a carry over until Braw is here—I think it's quite OK to become familiar with the camera.

    Yes, there are much more powerful option available, but it isn't unusable.
    Could do, it's less of a capacity issue and more of a processing power issue but I could run proxy 720p workflow for now. Really do like the idea that 4k can really future proof any content.
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