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HDV and Canopus HQ codec

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  • HDV and Canopus HQ codec

    Just need to get a critical point ironed out.

    When digitising HDV footage directly from from my Sony V1P camera (via firewire) into Edius 4, is the HDV footage being converted with the Canopus HQ codec on the fly? rather than as mpeg GOP footage?

    cheers.

  • #2
    Yes, if you choose to use Canopus HQ during capture, it captures to Canopus HQ on the fly. Your PC must be fast enough (Dual Core and up will be capable) to do this. Canopus HQ is a very high quality codec, so you have no worries about quality loss at all. If you want to save hard drive space and have a very (and I mean very) fast machine, you should capture to the MPEG2 TS (Raw HDV files)...

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    • #3
      just to add alittle to what stormdave said:

      for obvious reasons, capturing to mpeg2 ts is easier on the system than capturing and converting to HQ simultaneously

      it's the editing of mpeg2 ts that's the killer
      Harris
      edius pro 8.2, win10 pro x64, i7 5930K @ 4.4 on asus X99-A usb3.1, corsair h100i gtx with noctua fans, 32G gskill ddr4, gtx 980 4G, system 256G samsung ssd 950 pro M.2, swap 128G samsung ssd 850 pro, general use 512G samsung ssd 850 pro, video 4 @ 3T WD red pro in raid 5

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      • #4
        HDV Capturing - Smaller stream and no converting needed during capture.

        Editing - VERY heavy on the computers CPU's as they are having to convert and add your edits at the same time


        HQ Capturing - Very hard on the CPU's so only faster CPU's can handle it.

        Editing - Easy on the computer because the decoding needed is a fraction of HDV.



        Mike

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        • #5
          Originally posted by GrassValley_MD View Post
          HDV Editing - VERY heavy on the computers CPU's as they are having to convert and add your edits at the same time.
          With a laptop -- a dual core Intel easily supports editing .m2t while HQ puts a very heavy load on your disk leading to dropped frames. Today, CPU cycles are very cheap.

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          • #6
            With a laptop -- a dual core Intel easily supports editing .m2t while HQ puts a very heavy load on your disk leading to dropped frames.
            Since many laptop cutters use external drives you can use an external Raid0 configuration and be happy with HQ.

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            • #7
              Originally posted by LV_DVC View Post
              a dual core Intel easily supports editing .m2t
              in your experience, how complicated are these .m2t edits ?
              Harris
              edius pro 8.2, win10 pro x64, i7 5930K @ 4.4 on asus X99-A usb3.1, corsair h100i gtx with noctua fans, 32G gskill ddr4, gtx 980 4G, system 256G samsung ssd 950 pro M.2, swap 128G samsung ssd 850 pro, general use 512G samsung ssd 850 pro, video 4 @ 3T WD red pro in raid 5

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