The Deesser tool is used to filter out unpleasant hissing sounds (sibilants) from recorded speech and song.
The following sliders are available in the Deesser area:
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Threshold
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Specifies the level after which hiss is to be suppressed as a dB value. If this value is very low, even very quiet hiss is suppressed.
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Attenuation
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Specifies the extent to which hiss is to be damped if it is not filtered out completely.
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The following sliders are available in the Response Time area:
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Attack Time
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Specifies how long the hiss has to be in order to be detected.
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Release Time
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Specifies for how long the hiss is to be filtered.
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