A noise print is part of a technique used in noise reduction. A noise print is commonly used in audio mastering to help reduce the effects of unwanted noise from a piece of audio. In this case, the noise print would be a recording of the ambient noise in the room, which is then used in spectral subtraction to set multiple expanders, effectively gating out those frequencies whilst the signal level in that band is lower than that in the noise print. Many plugins for studio software can be used to apply noise reduction in this way.
Noise reduction usually results in unwanted artifacts, sometimes referred to as "twittering" or "birdies". Different algorithms for noise reduction control these artifacts with varying levels of success.
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Adobe Audition Tutorial: How To Use Noise Print Capture and Noise Reduction
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Capturing Noise Print when it's Greyed out Adobe Audition
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How to Reduce Background Noise, Buzzes, Hums, Plosives & Wind Noise
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See also
- Dark frame – analogous technique in image noise reduction
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This page was last edited on 12 August 2019, at 21:54