Re: [nfc-l] Engineers - chime in? Adaptive Noise Cancellation

Hi Everyone, I am an engineer chiming in. I have used this technique to clean up a signal. Technically, it is pretty simple to subtract out a "noise" signal. The hard part is getting a signal which is the exact "noise" you want to subtract. By exact I mean it has the equivalent gain, and

[nfc-l] NFC equipment

Hi All, I am a design engineer recently (Feb 09) retired from the Bioacoustics Program (BRP) at the Cornell Lab of Ornithology. I have designed and built most of the microphones and housings used by BRP to record NFCs . Presently, I have a four microphone array behind my barn feeding a