Microphone volume extremely low when recording video (except on camera app)

Help Fairphone 6
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1

Hi !
When I use my new FP6 to record videos on any app but the camera app (I tried Instagram, Snapchat and What’s App), the microphone volume is extremely low, to the point where you can barely hear anything on the video.
It doesn’t happen with videos taken on the camera app, and it doesn’t affect the volume of audio messages on the other apps, only videos.
I did check that the apps have authorization to use the microphone, and restarted my phone.

Any ideas on how to fix it, or anyone experiencing this problem ?

2

Don’t use your apps, but can confirm that videos recorded with the Google port don’t have adequate sound.
Videos recorded with Open Camera are OK.