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Remove background noise from specific frequency ranges

Remove background noise from specific frequency ranges.

To view the entire file, right-click the horizontal ruler, and choose Zooming > Zoom Full. Then drag across the spectral display to select only frequencies that contain noise. (Like many audio files, our example includes high-frequency hiss.) Right-click the selection, and choose Capture Noise Reduction Profile. Then choose Effects > Noise Reduction > Noise Reduction, and click Select Entire File. Click Preview, move the Noise Reduction Level slider to fine-tune the effect, and click OK.

Most noise reduction tools require a selection of isolated noise, which usually exists only at the beginning or end of a file. With the Marquee Selection tool, however, you can visually define noise profiles in virtually any material—even when desirable audio exists in the same range of time.