Field Recording: Croaker sounds on the first day of Spring 2024

Most Croakers are gregarious, community animals and make noise by way of oscillating their swim bladder as part of their spawning ritual. The swim bladder is a pocket of air inside most fish that helps keep them afloat and facing upright. Male croakers use this sound to attract females. Being the first day of Spring … Read more

Hydrophone tests at the mouth of San Gabriel River

I had experimented with contact mics and water before, sort of quasi-hydrophone. It worked ok as long there was some sort of current or splashing, running water, etc. The results were not great, even after upgrading my personal contact mics to a balanced design using dual piezos. Enter the amazing “Let’s build some world-class hydrophones” … Read more