From UFOGeek: Part 2 - Want to make a Ghost Box for under $100? Here's a very practical way to use the Radio Shack Hack devices. You probably saw my 12-469 practical use videos, now I'm going to be sharing a 12-470 practical use video. This one is of a totally portable system that uses a noise generator, the hacked 12-470, a digital (or analog) recorder, and a microphone which gathers the raw audio sweep, white noise (or in my case a special white/pink noise file I created), and any ambient noise within a chamber.. and places that session into a .wav file. It also includes an ear piece so you can hear, real time, what the digital recorder is recording (the mixture of the session sound within the chamber). All UFOGeek's Radio Shack Hack videos can be found at http://www.ufogeek.com (less)
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