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Removing background noise in Audacity by differencing stereo channels
While at NDC13 this June, K Scott and I (joined by Rob Conery as honorary guest host) recorded a lot of Herding Code podcasts in a cool podcast booth. It was an interesting audio challenge. The conference provided us some great audio equipment - nice microphones and a good mixing board. However, the booth was open on top and in the middle of the conference room floor at an indoor stadium, so there was a lot of background noise. On the one hand, that's just part of the fun of live podcasts at a conference, but I wanted to minimize it.