Noise Removal
There is no Hollywood magic wand like those used by the TV-crime lab techs who take a damaged lo-fi recording, clean it up, separate all the different elements, and magically isolate a voice print of the bad guy from way in the background ... or match the exact waveform of the engine noise of the getaway vehicle and identify the make and model, identify the rare custom shoes from the sound of footsteps, or any of the other fanciful things TV writers come up with. It just isn’t so. Trying to separate multiple sounds on a single track is like trying to decompile a mixed drink; once everything is mixed together, there really isn’t a practical way to separate it again. Noise removal is always a compromise with its side effects, and that ...
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