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Activity Forums Apple Final Cut Pro Legacy Compressor causing softness

  • Compressor causing softness

    Posted by Justin Blaney on January 29, 2011 at 5:45 pm

    I shoot on a t2i, 30 fps, 1080p. I’m converting to prores (I’ve tried a variety of prores presets and they are all having the same problem) using compressor. I notice a very slight softening of the focus on the prores file vs the orignal footage. I’ve done quite a bit of searching here and on google and am surprised that I haven’t found anyone talking about this. I’m attaching two pictures so you can see. They are close up to focus on the focus, no pun intended.

    before conversion

    after conversion (using proresHQ)

    John Pale replied 15 years, 3 months ago 4 Members · 6 Replies
  • 6 Replies
  • Olin Padilla

    January 29, 2011 at 11:04 pm

    I’ve never heard of this issue. The only thing I can think of is that some settings must be wrong in your presets (I never use presets, so I don’t really know).

    Your options are basically to:

    1) Go trough and meticulously check all of your settings in the inspector to make sure there isn’t some kind of filter/de-interlacer/frame control issue.

    2) Try another tool. Do a quick test export with one of your clips from Quicktime and see if there is an issue. You could also try downloading MPEG Streamclip.

  • Justin Blaney

    January 29, 2011 at 11:23 pm

    Do you see a difference between the images? I’m wondering if it’s just my imagination, but there is a distinct difference to me.

  • Olin Padilla

    January 30, 2011 at 12:13 am

    Yes. There is a distinct difference.

  • Jeremy Garchow

    January 30, 2011 at 12:37 am

    Make sure when loading the movies in Compressor that it is seeing them as progressive movies and not upper field first. You do this by single clicking the thumbnail in the batch and check the a/v attributes in the inspector.

  • Jeremy Garchow

    January 30, 2011 at 12:37 am

    Also ProRes hq is way overkill.

  • John Pale

    January 30, 2011 at 5:33 am

    I noticed your original footage is 30fps…are you encoding to 29.97fps? This might be introducing interpolation.

    Try conforming the 30fps footage to 29.97 in Cinema Tools first before encoding up ProRes.

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