Noise cancelling headphones

headphones

Here are plans for building a noise canceling headphone circuit. Noise cancellation works by placing microphones close to the ear and then playing the recorded sound out of phase causing destructive interference. Commercial headphones have the mics and power supplies built into the headphones. The page has some other fun suggestions for playing around with the stereo mic setup. … Read the rest

Event Coverage: Dorkbot meetings and Artbots 2005

bwhackevent

Continuing on our streak of Friday coverage of cool hackerly events, we would like to say a few words on Dorkbot and Artbots.  Dorkbot started as a New York City monthly meeting for robot and homebrew interactive device aficionados.  It has now spread to many cities, perhaps even one near you.  Guests are invited to speak and afterwards, … Read the rest