Hi All, A project...
I have been interested in monitoring environmental sounds for quite a long time. Am I hearing "The Hum"? https://en.wikipedia.org/wiki/The_Hum My wife does not hear it. What is driving my dog crazy sometimes? (Dog hearing range is 40Hz - 60000Hz) What hidden sounds is my house generating? There are some ultrasonic microphones. https://batsound.com/ <https://batsound.com/product-category/usbmicrophones/> https://www.dodotronic.com/product-category/usb-microphones/ Some are very expensive. https://roga-instruments.com/ultrasonic-usb-mic/ https://www.titley-scientific.com/product/omni-directional-ultrasonic-microphone/ My 'Analog Discovery 2' has a spectrum analyzer feature. Been looking for a microphone or ultrasonic sensor that I could hook up to it. Anyone out there done any work in this area? Rob
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