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iMOVIE Disk Space Saving?

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Your Mac's Specs
01-Mar-2011 MacBook Pro v10.7.1, 2.0 Ghz, 8 Gb MEM, 500 Gb HD
I am new with my MAC and I'm using iMovie to edit and create videos. I'm taking videos with a Canon Vixia HFM40 video camera in HD (1920x1080) and while it has 16Gb built-in mem and 2 slots for additional cards, the raw format of a 40 min event is approximately 6 Gb. However when I import the video into iMovie (v9.0.4), it expands my video clips that make up the recording to 30-40 Gb. I would like to retain the original (raw) video (as it is a much smaller/compressed version), import my recording, perform my edits and dump the exploded video clips...then import the raw footage again in the future if I need it - however - it appears that iMovie only recognizes this when the recorded footage is in it's initial state on the video camera. I tried to re-import it later from a location I saved the raw footage to and iMovie didn't recognize the format. I then moved the raw footage back to the camera to attempt to re-import it and again iMovie no longer recognzied it. Retaining the original exploded video in this HD format is consuming a lot of space - HELP!
 
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PPC Mini, 10.4.11. Intel Mini, 10.6.8. MacBook Pro, 10.14.6. M1 MBA 11.6.3 iPhone 5 iOS 12.5,
If you can access the file structure in the camera, copy it to your Mac in it's entirety, and you should be able to import into iMovie via the File>Import>Camera Archive route.
 
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J
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01-Mar-2011 MacBook Pro v10.7.1, 2.0 Ghz, 8 Gb MEM, 500 Gb HD
Thanks - I'll try that...my only concern is that once I copy the file structure (entire) down, I'll have to copy the entire structure down every time to a different folder. I believe there is a directory file that exists keeping track of all the files that do/don't exist. So, if i just copy down the new files each time to the structure I just copied down, they won't exist in the directory list (if that makes sense)...which means iMovie won't recognize them. I'm planning on taking videos tomorrow so I'll let you know how it goes. Overall, it will be a huge savings - as I mentioned - iMovie expands the files between 5 and 8x the capacity of the raw files.
 
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J
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01-Mar-2011 MacBook Pro v10.7.1, 2.0 Ghz, 8 Gb MEM, 500 Gb HD
It appears the file format (.MTS) that is the raw format on my Canon Vixia is not recognized by iMovie unless its on the camera. Apparently I need a 3rd party software product to convert it to an .avi, .mp4 or .mov format for iMovie.
 
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21.5 iMac 3.06 ghz 12gb ram 500g HD iPad 2 16G
Try putting the camera card in a reader and open iMovie...then click import...I have a Panasonic camera that uses .MTS files and iMovie will import them from the card. I cannot drill through the folders to extract the video...After you edit...save as MP4 to compress without noticeable loss...dump your excess...
 

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