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This document serves as a reference specification if your production has been requested to deliver a cut for the Korean Ratings Board (KMRB).



  • Content: ProRes represents Final Picture, Color & Sound
  • Codec:  Apple ProRes 422 (HQ)
  • Resolution: 4K, UHD, 2K, HD
    • High Definition (vertical resolution of 1080px or more)
    • UHD/ 4K (vertical resolution of 2160px)
  • Aspect Ratio: Original Aspect Ratio
  • Color Space: Rec709 (ITU4R BT.709)
  • Frame Rate: Native to source. 
    • Netflix defines this to mean what the material was originally shot in or edited with regards to frame rate. 
  • Conform: LongPlay (Not Reels)
  • No burned in subs or watermarks 
  • No Leader
  • All ProRes files must have the .mov file extension
  • Please pay careful attention to the “Normal Size” and “Display Size” in the video track properties accessible in QuickTime Pro. Please ensure the aspect ratio you are intending is correctly displaying in QuickTime. 
  • Within the MOV container, audio must conform (sync) to video and audio duration must match video duration within 1 second
  • Audio: Uncompressed 48kHz 16/24bit LPCM1
  • Nearfield PrintMaster 5.1 Surround & 2.0 Stereo Assignment (if 5.1 + 2.0 is not available, then we can accept 2.0 version only. Please do not submit 5.1 audio only)


Audio Channel Mapping

All audio channels should be in SMPTE order. Audio needs to be 8 discrete channels of 5.1+2.0 or 2.0 as two channels without 5.1. We cannot accept 5.1 on its own without 2.0.


If 2.0 on its own

  1. Left (or Left Total)
  2. Right (or Right Total)


If 8-channel

  1. Left
  2. Right
  3. Center
  4. LFE Screen
  5. Left Surround
  6. Right Surround
  7. Left (or Left Total)
  8. Right (or Right Total)
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