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Steve Carr

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CGO-ET
The 1080p and IR video are combined into a single MP4 video file. If you need to edit they can be separated.
Extracting the IR video from the MP4 file
I have finally got the solution from the VLC player forum.

Here is the link to the tool download:
MKVToolNix Downloads – Matroska tools for Linux/Unix and Windows

MKV_Tool.jpg
1) drag n drop your video file into mkvtoolnix -
2) uncheck the first video track
3) Press the 'Start multiplexing' button
4) Open the MKV file located in the destination folder. The MKV file contains the IR video track + audio.
 
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mkv.PNG
When I tried the MKVToolNix I did not get 3 output files. See attached, Great tool though
 

Steve Carr

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View attachment 9134
When I tried the MKVToolNix I did not get 3 output files. See attached, Great tool though
Strange. There should be two video files and I also get 1 audio file. I'm using the -ET on the H so the firmware will be different if you are using the 520.
The file you dropped into the tool is the file from the -ET sd card?
 
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Strange. There should be two video files and I also get 1 audio file. I'm using the -ET on the H so the firmware will be different if you are using the 520.
The file you dropped into the tool is the file from the -ET sd card?
Hi yes it is from the camera SD
 

Steve Carr

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Ok. I'm going to move this thread to the 520 page. Perhaps it will get some attention from someone with both. I think there are some differences in the firmware.
 
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Ok. I'm going to move this thread to the 520 page. Perhaps it will get some attention from someone with both. I think there are some differences in the firmware.
I tried another few files and it worked. I got the three files and managed to separate the IR. I don't know why it did not work with the first file as it was shot on the same day and with the same settings. Cheers for your help.
 
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BigAl07

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@Steve Carr is this still the easiest method going for this process?
 
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In addition, is it possible to extract the raw binary data from the .mkv file (like in the Tiff images) which records the absolute temperature. All i managed to do so far is to get rgb values instead which visualizes the relative temperature.
 
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Steve Carr

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As far as I know the data for the thermal images isn't stored. But I'm a novice with this camera.
 

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