Hi everyone,

I have been using AudioMoths to document the calling behaviour of tropical mountaintop frogs. Unfortunately, water incursion resulted in microphone quality slowly deteriorating for some devices (and at different rates). It is difficult to pinpoint the exact moment where audio quality starts to degrade, i.e., when call detections actually become impacted due to microphone quality, rather than the natural end of the calling period.

Has anyone encountered a similar issue and successfully mitigated it? E.g., experimenting with some kind of signal analysis of recordings to establish thresholds for passable audio quality each day in the field? Any suggestions to get started on a method would be much appreciated. Please note that I'm unable to do before/after deployment comparisons for these devices as many aren't currently working. Thanks so much! :)