When you’re dealing with audio files, you’ll run into a few problems every so soften. This is especially true with voice recordings and audio that was converted to a digital format from a cassette tape or a vinyl record.
One of the biggest problems is noise. This could be hissing or background noise like the sound of the wind or a loud air conditioning unit, or even someone inadvertently breathing into a microphone. No matter what the source is, that noise is distracting. And while it’s difficult to eliminate all of the noise from a digital audio recording, it is possible to clean the file up so that the noise tolerable.
A great way to do that is with Audacity. In this article, I look at how to clean up digital audio using the Linux version of Audacity. The techniques work equally well with the Windows and Mac OS versions of the software, too.
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