Summary: Follow this tutorial to learn how to import and edit single MTS files in iMovie by converting MTS to iMovie native format.
For all of its faults, iMovie' 09/11 offers much better native file compatibility than its predecessor. Apple claims that iMovie' 09/11 supports most commonly-used video codecs, including DV, MPEG-2, MPEG-4, H.264, AVCHD and AIC. However, all files aren't equal when working in iMovie. And there is no way to import single .mts files to iMovie that you have previously transferred from the camera to your computer unless you have used the Archive method which saves the whole file structure of the camera onto your computer. That's why you can always meet questions like "how do I open a file in iMovie with enlargement of the MTS?" or "how do i download AVCHD (MTS files) in imovie9" come from time to time.
To achieve your goal to edit MTS clips with iMovie, below is simple tutorial to make it smoother to get those .MTS files off of a memory card or hard drive to iMovie–and without the need to connect the camera to your Mac.
Converting MTS files to edit in iMovie
The quick workaround is to use an easy-to-use yet professional application called Brorsoft MTS/M2TS Converter for Mac. Just download it and follow the simple steps below to transcode MTS for iMovie editable format.
1. Import AVCHD MTS videos to the software
Once run the Mac MTS to iMovie Converter, you can click "Add Video" button (or "Add from folder") to load AVCHD MTS source files. Convert supports batch conversion, so you are allowed to add multiple files to convert at a time.
2. Select "Apple Intermediate Codec (AIC) (*.mov)" as output format for iMovie
Click the format bar, and move mouse cursor to "iMovie and Final Cut Express -> Apple InterMediate Codec (AIC) (*.mov)". By the way, the Mac AVCHD Converter also supports output Apple ProRes format for using in Final Cut Pro.
Tips – Adjust audio and video settings
The Mac iMovie MTS Converter enables users to adjust audio and video settings before transcoding AVCHD files to iMovie AIC. Click "Settings" button, then you will enter the following interface, on which you are allowed to customize size, bit rate, frame rate, sample rate, and audio channel to your required ones.
3. Start the conversion process
Click the "Convert" button to start transcoding MTS to AIC MOV for iMovie.
When the conversion is finished, you can click "Open" button to get the generated QuickTime AIC .mov files effortlessly. Afterwards, you can launch iMovie, and then choose File > Import > Movies to import converted MTS files in iMovie for further editing.
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