iMovie won’t import Sony DSLR-A350X AVCHD MTS files

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Depending on your rig’s capabilities, source video specifications and much more factors, you may struggle to use Sony DSLR-A350X AVCHD MTS files in iMovie. In that case, we would suggest transcoding them first. Here in this tutorial, we explain an alternative way of converting Sony DSLR-A350X AVCHD MTS files to AIC .mov for editing in iMovie with optimum performance.

How to transcode AVCHD mts files to ProRes for FCP X editing

“Suddenly, all my Sony DSLR-A350X AVCHD mts clips have no audio in iMovie after the upgradation to macOS High Sierra…?? I believe this problem happened before and there’s a quick fix for it but I can’t remember what exactly. It’s not missing the audio tracks or has any warning signs, the audio tracks are all there as they were before, just no sound. Does anyone have the same issue? How do you fix it?”

This is a known issue between iMovie and macOS High Sierra. It can be solved via transcoding Sony DSLR-A350X AVCHD mts clips to Apple InterMediate Codec. Check a guide on how to do this below.

How to transcode Sony DSLR-A350X AVCHD .mts files to AIC .mov for iMovie editing?

To transcode Sony DSLR-A350X AVCHD .mts video clips to AIC .mov for iMovie editing, do as below:

Video Converter For Mac , It is available for MacOSX 10.5 or above (including macOS Sierra/macOS High Sierra 10.13.14)
download Mac version

Step 1: Add Sony DSLR-A350X AVCHD footage.
Run Video Converter for Mac, and click “Add File” to load Sony DSLR-A350X AVCHD MTS files into this program.

import AVCHD MTS video files

Step 2: Select output format for iMovie from “Profile” list
Click “Profile” to select {{}} as output format. AIC .mov is iMovie’s favorite editing codec, which iMovie will recognize and handle well.
Select output profile format

If necessary, you can click “Settings” button to modify video and audio parameters like encoder, resolution, frame rate, bitrate, aspect ratio, sample rate, and audio channels. You can also “Enable 3D Settings” to add 3D effect to your source media.
Settings for AVCHD video files

Step 3: Start encoding Sony DSLR-A350X AVCHD files for iMovie editing.
When ready, Click “Convert” to start Sony DSLR-A350X AVCHD .mts to iMovie conversion. As soon as the conversion is complete, you can click “Open Folder” to get the generated AIC .mov files for editing in iMovie with optimum performance. Hope this helps solve your problem.

Also read:
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Sony DSC-RX1R II XAVC S and FCP X workflow
Encode Sony A6500 XAVC S to ProRes for Premiere Mac version
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Posted in Convert video files for editing, Video format conversion.