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  • JPEG to master HD

    Posted by Neil Sadwelkar on October 11, 2006 at 2:48 am

    Just wondering. Given that HD uncompressed really takes up disk space, and needs that much bandwidth. How much worse does Photo-JPEG or the new Motion-JPEG really turn out for HD mastering?
    I’m wondering using these for long-form mastering so I can use systems with ‘lesser’ hard drives rather than tax the RAID systems.

    FCP Editor, Mumbai, India.
    Completely PAL.

    Steve Drew replied 17 years, 1 month ago 3 Members · 2 Replies
  • 2 Replies
  • Luke Maslen

    October 11, 2006 at 5:35 am

    Hi Neil,

    On the Mac platform, PhotoJPEG capture uses a lot less disk space than DVCPRO HD but it’s quality is set to 25% so you mind find it a little soft. DVCPRO HD will give give you better results than PhotoJPEG on the Mac. The PhotoJPEG codec is full resolution (1920 x 1080) whereas DVCPRO HD is only 1440 x 1080 for PAL countries. DeckLink scales DVCPRO HD for output at 1920 x 1080

    On Windows, Motion JPEG is an excellent codec if you have to work in a compressed format. It is full resolution 1920 x 1080.

    Given you are on the Mac platform, I would recommend you experiment with both PhotoJPEG and DVCPRO HD but I think you’ll prefer DVCPRO HD.


    Luke Maslen
    Blackmagic Design

  • Steve Drew

    October 22, 2006 at 4:29 am

    Hi Luke – What are the dangers, if any, in changing the P-JPG capture quality from 25% to 50% or 75%. Obviously there’s a filesize hit. I can’t test this for myself as I don’t have a HD card yet, but have been wondering about using P-JPG for online.

    Thanks in advance.

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