Comment by doodlebugging

I recently bought a couple of audiomoths for monitoring or tracking birds passing through my area. It records up to 192kHz I think so it can pick up ultrasonic chirps from bats. Anyway while passing the recorded data into Audacity to search for bird calls I was able to finally nail down the bandwidth where my tinnitus overwhelms all other signal and to begin to understand the depth of my work-related hearing loss. I use the low and high pass filters to extract the signals across discrete frequencies and then track the level of gain I need to apply in order to be able to hear the calls that are in each extracted band. This is quite useful for me as before I knew that there are sounds I cannot hear unless there is almost no background noise but I had no idea where they were spectrally or just how much hearing loss I had in each band.

I could potentially use this information to design a hearing aid that boosts sounds in the affected bands so that I can hear them. I am not sure I can inverse filter the tinnitus-related noise since it is random intensity though a notch filter could be an option since it is narrow band.

I hope the tinnitus discovery thing in this article ends up being useful.