Quite recently, while on holiday I have been taking some videos with Sony A6000 mirrorless photo camera. To help with wind noise I also brought Sony ECM-XYST1M external microphone. I normally edit video with Sony Movie Studio, but since I had a Macbook with me, this time I decided to edit my videos using iMovie. It was my first time using iMovie, but I found it quite intuitive and easy to work with.

While editing I noticed that during some transitions I get quite loud popping noise, but I expected these to go away in the encoded video. Unfortunately, encoded video not only didn't remove these pops in transitions, but also added much more popping and crackling audio artifacts throughout the whole video. I noticed that majority of affected videos were recorded vith ECM-XYST1M microphone, and some clips were affected much more than others. None of these audio artifacts were present in source videos.

I tried various things, including different iMove video encoding and quality settings, also tried extracting audio separately as uncompressed WAV. Nothing made any difference - the final audio track was filled and annoying cracks and pops in exactly the same places.

This was where my experiments with iMove ended. I re-edited everything in my old trusted Sony Movie Studio and never looked back at iMovie...


June 2015
Macbook Pro 2014
OS X 10.10.4 (Yosemite)
iMovie 10.0.9

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