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Error Code:

Frame Error - Non-Native Aspect Ratio


This error can be issued for two reasons:

  • The image is either squeezed or stretched, usually resulting from content encoded incorrectly at 4x3 or 16x9. 
  • The content within the file we have received does not match the aspect ratio of the theatrical release. For example, if a theatrical release had an aspect ratio of 2.35:1, while the file we've received has an aspect ratio of 1.78:1, we are losing a lot of information from the left and right-hand side of the image.


16x9 content encoded as 4x3



4x3 content encoded as 16x9



A squeezed or stretched image results in a distorted representation of content, which takes the customer out of the experience and does not honor the creative intent.

Severity Structure:




The image is either squeezed or stretched, or is not formatted in the original source aspect ratio.

How to Prevent:

Ensure that the profile used to create the file has the Pixel Aspect Ratio (PAR) set correctly.


Re-deliver in native aspect ratio.

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