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Chapter 2. Capturing High-Quality Audio > Cleaning Your Noisy Audio

Cleaning Your Noisy Audio

When we created our test setup for this project, we deliberately left our computers, routers, printers, and monitors running, producing a consistent din of ambient noise. Our thinking was pretty obvious: how can you possibly test a shotgun microphone’s ability to ignore ambient sound without lots of ambient sound? Also, since few interviews or other types of videos are shot in sound booths, the noise also provided a lovely dose of reality.

Once we heard the background noise present in even our highest-quality recordings, our thoughts quickly turned to noise-reduction software. The software generally works best with regular, consistent background noise such as machine hum or tape rumble, as opposed to irregular noises such as cheering crowds or traffic noises. We surveyed our labs and checked recent press reviews, and rounded up three products.


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