The Noise Reduction enhancement suppresses distracting noise in an audio file.
The following setting options are available:
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Graph
Spectral Subtraction Profile
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Maps the interfering signal.
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Switches between a linear and logarithmic scale for the limiting frequency graphic.
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Slider
Gain Floor
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Specifies the level of noise reduction when some noise is to be retained.
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Slider
Reduction Level
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Specifies the level of noise reduction.
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The following setting options are available in the Mode area:
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Option button
Automatic Noise Analysis
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Automatically analyzes the audio file in relation to noise.
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Button
Freeze
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Fixes the noise curve in the spectral subtraction profile and uses this as a reference signal.
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Option button
Editable Noise Curve
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Inserts handles into the noise curve in the spectral subtraction profile; these can be used to edit the curve.
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Option button
Noise Print
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This is automatically activated after the implementation of the noise analysis and after the first time the noise suppression is called.
The noise curve generated by the noise analysis can be edited.
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Button
Residual Output
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Only plays back the noise signal.
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