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Workflow converting MKV to usable editing format
I have a client using and NVR to record video footage. The NVR only output a H.264 MKV 1920×1080 format of video. It is exports 30min files I need to speed them up over 3500% to make quick and cool looking time lapse shots. I tried a few different programs to convert the MKV to MP4, like handbrake, quicktime player, etc. But I always had a problem with quality after importing the MP4. Video only importing at 10fps, or really poor quality video.
After reading several different post here I put together a working workflow. I had to resurrect QT 7 pro and reinstall Perian on the Mac to work. I would love some assistance in tweaking it with better setting?
Open MKV with Quicktime 7 Pro
File > Export > Movie to Quicktime Movie > Options > Setting > Compression Type: Animation
file saved to MOV.It works and I am able to edit speed up the video nicely, but it take my 30min 48MB 1920×1080 MKV file and makes a 16gb MOV. kinda crazy?
any help would be great. Thanks.
Pain is Temporary – Pride is Forever!
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3 Replies
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Yeah….
you are going from a GOP structure that records data as only the changes to a frame based encoding that’s pretty lightly compressed….
so quality is high, but data rate is high as well.
are you on the Mac?
Do you have Pro Codecs installed?
if so….try ProRes422, you’ll get a good looking more compact file
this video can help with the ProRes install if you need it:
https://www.youtube.com/watch?v=tlpwuGTc1tk
hth,
Alex Udell
Editing, Motion Graphics, and Visual FX
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Yes, I am on a Mac. ProRes worked really well.
Thank you,
Pain is Temporary – Pride is Forever!
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MKV is not compatible with Adobe Premiere Pro. A quick workaround is to convert MKV to Premiere edit-friendly format like MPEG-2. A tutorial on editing MKV files in Premiere Pro.
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