AudioMoth GPS Hats are back in stock at @groupgets.bsky.social GroupGets if you want to start experimenting with sound source localisation from GPS synchronised AudioMoth recordings. groupgets.com/products/aud...

Yes, you can slow these down to audible frequencies and make a video of the resulting sounds.

It's not the best quality as I recorded it from your video, but it's not bad. You can downsample, play back faster or slower than real-time, and apply filters.

And this elephant rumble, recorded at Whipsnade Zoo in the UK.

Works nicely with these hooting frog (Heleioporus barycragus) calls recorded in Australia.