Buzzing/humming sound during playback?

Jasonmobius

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Anyone ever experience a buzzing humming sound during playback of recorded video on mobius actioncam??
 
It would help the diagnosis if you post a short clip on YouTube or Vimeo
 
Type "buzzing" in the search, in the upper right hand side of this page, you will see this topic discussed before. It was the SD card.
 
From the Mobius Manual...

Q. There is a distinctive buzzing or clicking noise when videos are played back.

A. Only use quality micro SD cards with a class rating of 4 or above. Low quality cards can draw excessive current which may result in electrical noise in the recording.
 
I've experienced three types of buzzing sounds.

A bad powersupply caused sound issues on an A lens camera. But I have wondered if it could be possible that it was the power supply and card combination causing the problem, as it was an unknown brand card that I borrowed with the camera.

Rattling buttons on my C lens, that sounded like buzzing at certain engine rpms. This was fixed by bending the buttons and adding a dab of silicone.

Rattling battery cable at certain rpm, when I didn't tuck the cable in quite right. This was temporarily fixed by putting it back in the same way the factory had it. Once my lens issues are sorted I'll be putting in the super cap and using some self adhesive foam.
 
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