Background static in external mic recordings...

S8Filmmaker

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Sep 8, 2018
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Hello Android Central,

I did some tests today to determine what was causing the background static when I use my S8+ in conjunction with an external microphone and the app, Filmic Pro (to shoot video).

It turns out that the static only turns up when the phone is receiving power from the wall outlet or through connection to my gimbal's (Zhiyun Smooth 4) battery power source. Both through the Type-C input.

Is there any way to get rid of the static while maintaining connection to the gimbal's power source? I desperately need the gimbal's power source because it extends the phone's battery life immensely. It's crucial for a film production I have coming up in about a month. I need a solution desperately!

Thanks for any help you can provide!
 

Rukbat

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Feb 12, 2012
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There's evidently something in the charger (circuitry inside the phone - the thing that plugs into the wall is just a power supply) causing noise that isn't being bypassed. You'd have to redesign the charger, or at least hand a few bypass capacitors where the noise is evident (with an oscilloscope). Which I don't think you want to do.