73. AM Radio

Radio is an electromagnetic signal receiver. If an AM radio is nearby a laptop, it can pickup and convert the computer's electromagnetic signals into complex yet interesting sounds. This video is a raw recording (no editing, processing, or mixing) of such electro-acoustic conversion. Notice how radio sound goes becomes inactive when the laptop is in sleep mode. I especially like the sound of the shutting down process. 

Materials Used: Radio/Alarm clock, Sony ECM-MS907 microphone, Macbook Pro


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