Rajnesh Domalpalli
Level 1 (49 points)
Video

Q: Converting 2K Footage to HD. How to Crop?

Greetings,

 

    I have an Image Sequence in the 2K Format (2048 x 1080) and I would like to convert it to HD (1920 x 1080).

 

    I'd like to crop the extra 128 pixels off the Sides.

 

    I'm using Compressor 4.2.1 on a 2012 Macbook Pro.

 

    In the Settings Section the Compressor 4 Manual says this:

    Scale image to preserve aspect ratio: Affects only video media using non-square pixels, such as NTSC and PAL formats, and only when you are not intentionally changing the video frame size....

 

    Given that, is there a good way to convert the 2K sequence to HD?

 

    Thanks in advance for your response.

 

Regards,

Rajnesh

MacBook Pro (Retina, Mid 2012), OS X El Capitan (10.11.2), 16GB RAM, NVIDIA GeForce GT 650M 1G

Posted on Jan 13, 2016 4:49 AM

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Rajnesh Domalpalli

Q: Converting 2K Footage to HD. How to Crop?

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  • Helpful answers

  • by Russ H,Helpful

    Russ H Russ H Jan 14, 2016 3:35 AM in response to Rajnesh Domalpalli
    Level 7 (21,880 points)
    Quicktime
    Jan 14, 2016 3:35 AM in response to Rajnesh Domalpalli

    Assuming you want to avoid any distortion of the image, you would let Frame Size be Automatic (which it is by default) and in the Crop section of the Video pane, enter 61 each for left and right fields.

     

    In the Frame Size field you should see the size change to 1920x1080.

     

    Russ

  • by Rajnesh Domalpalli,

    Rajnesh Domalpalli Rajnesh Domalpalli Jan 13, 2016 10:20 PM in response to Russ H
    Level 1 (49 points)
    Video
    Jan 13, 2016 10:20 PM in response to Russ H

    Hi Russ,

     

        Thanks for your reply. Yes, I want to get from 2K to HD without Distortion.

        I tried 3 settings, as follows:

     

        In Case 1, I set:

    •     Frame Size = Automatic
    •     Crop (Left and Right)  = 61 px

        But Compressor Adjusted the Frame Size to: 1926 x 1107. Please see below:

    Cropped 61px.jpg

     

        In Case 2, I set:

    •     Frame Size = Automatic
    •     Crop (Left and Right)  = 64 px   (Which is (2048 - 1920)  / 2)

        But Compressor Adjusted the Frame Size to: 1920 x 1107. Please see below:

    Cropped 64px.jpg

     

    So, Finally,

    In Case 3, I set:

    •     Frame Size = Manual (1920 x 1080)
    •     Crop (Left and Right)  = 64 px   (Which is (2048 - 1920)  / 2)

        And I see the following Compressor Panel:

    Cropped 64 Manual Frame Size.jpg

     

    Any Ideas on whether Case 3 is the Preferred way to go?

     

    Thanks much.

    Rajnesh