FPV Audio Shim – On-board audio recorder for FPV Drones.

I developed this product to solve the problem of not having prop noise audio in my flight edits. With this device you record the audio from the flight and then mix it in while editing the video in your favourite video editing software.

FPV Audio Shim for Clear FPV Audio

The recorder has a setting tool which can be used to adjust the recording quality. You can adjust mic sensitivity, noise reduction and AGC gain settings as well as bitrate. Standard settings are already pre-set. You should only make fine adjustments as needed to suit your drone.
Standard pre configured settings
REC Bitrate: 256KBPS
Mic Sensitivity: 3
Noise Reduction: 12
AGC: 0

Mix the audio in post with your favourite editing software. Note that you may need to adjust the video speed or audio speed a fraction to align the audio in some cases. 

Download the default files for the audio recorder.
Use this if you have accidently deleted files from the root directory of the recorder.