Sony 5NK AVCHD MTS no audio in iMovie

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How do yo work with Sony 5NK AVCHD MTS files in iMovie for Mac? For those who are looking for a smooth workflow between Sony 5NK AVCHD footage and iMovie, this guide may shed you some light. It displays a way of re-encoding Sony 5NK AVCHD recordings to Apple InterMediate Codec encoded QuickTime MOV format for use in iMovie fluidly.

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

“Suddenly, all my Sony 5NK 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 5NK AVCHD mts clips to Apple InterMediate Codec. Check a guide on how to do this below.



How to transcode Sony 5NK AVCHD .mts files to AIC .mov for iMovie editing?

To transcode Sony 5NK AVCHD .mts video clips to AIC .mov for iMovie editing, do as below:

Video Converter (It is available for Mac, simply download the proper version depending on your computer.)

Free download Mac Version

Step 1: Add Sony 5NK AVCHD footage.
Run Video Converter for Mac, and click “Add File” to load Sony 5NK 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 {{export.win.select-profile-steps}} as output format. AIC .mov is iMovie’s favorite editing codec, which iMovie will recognize and handle well.
Select output profile format

Tips:
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 5NK AVCHD files for iMovie editing.
When ready, Click “Convert” to start Sony 5NK 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.

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