During the week I recorded the audio for a short video I am making on "Teaching Naked". I had tried to record it at home at the weekend but the house was to noisy.
When I started recording in my office I couldn't believe just how much noise there was. I couldn't, as you might think, hear the DJ Society doing it's thing 20m away, but I could hear all sorts of ambient noise. My desk is constantly vibrating, but I don't feel or hear it. My computer hums gently. As soon as I turned on the mic I could hear all these hidden sounds.
Audicity, like a lot of audio editing programs, has a fantastic noise reduction feature. You select a sample of "silence" and it analyses the noise. You can then subtract noise with those characteristics from the recording. It only works for structured noise, like a fan, or a hum. It won't work for people passing the the hall for example, or slamming doors. It if so impressive though I suspect I could record something on a plane and it would be fine.
A buddy of mine in Portugal is going to illustrate the video for me, if he has time. If not I'll have to do it myself.
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