![]() The dinner plate and microphone are placed inside of a two-gallon bucket, which acts as a wind and weather shield. The dinner plate is then sealed with plastic wrap (to protect the microphone element from precipitation). The purpose of the dinner plate is to aid in collecting sound. Homemade Flowerpot Microphone: Using a homemade flowerpot microphone is how I got my start as an NFC enthusiast! The homemade version starts with a microphone element, which is fixed to the center of a dinner plate. ![]() By using an XLR-auxillary input adapter, you can run the signal straight into your computer’s audio input. (There is also advanced recording equipment and devices that you can use with a smartphone to record birdcalls, but in this article, I’ll be focusing on flowerpot microphones.) In both cases, you’ll have a microphone element that, through a circuit board, will attach to an XLR cable. There are two options for NFC flowerpot microphones: the do-it-yourself homemade version, or purchasing an NFC purpose-built microphone. A parabolic microphone affixed to the roof of a house would only be able to collect the NFCs of low- and high-flying birds that fly directly over the microphone, whereas a flowerpot mic can passively collect sound from birds that fly directly over or somewhat close by. The flowerpot microphone is considered superior to a parabolic microphone in NFC recording, because it collects sound from a larger area of the sky. The physics behind the advantages of this type of microphone is way above my pay grade, but I can explain as much as I understand. A flowerpot microphone is a microphone element affixed to a dinner plate, which is then wrapped tightly in cling wrap and placed inside of a flowerpot or bucket. The most widely used method of listening to and recording NFCs is the flowerpot microphone. How to Collect Sound: The “Flowerpot” Microphone.
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