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The Noise Reduction plug-in can remove clicks and pops from old recordings as well as in brand-new ones, such as occasional clicks/pops in digital files. I used Sound Forge Version 4.5g and Noise Reduction Version 1.0b, which have since been upgraded to Versions 5.0 and 2.0a, respectively, but these tips will work on any version of the programs. Here are some techniques I used on the CD re-releases of vinyl recordings, such as Martin Luther King’s “I Have a Dream” speech and Freddie Fender’s Live at Gilley’s (where it looked as if someone took a knife to the grooves).
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Beyond cleaning up old vinyl recordings and forensic audio chores, Sonic Foundry’s Sound Forge 2-track editing system (with its DirectX Noise Reduction plug-in) can be used for mastering as well as for day-to-day enhancement of audio files.
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