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De-essing
De-essing is any technique intended to reduce or eliminate the excessive prominence of sibilant consonants, such as "s", "z" and "sh", in recordings of the human voice.〔Rane, Dynamics Processors -- Technology, Chapter 4 -- Specialized Compressors (), Retrieved 2012-10-02〕 Sibilance lies in frequencies anywhere between 2–10 kHz, depending on the individual voice.
Excess sibilance can be caused by compression, microphone choice and technique, and even simply the way a person's mouth anatomy is shaped.
==Process of de-essing==
De-essing is a dynamic process, only working when the level of the signal in the sibilant range exceeds a set threshold. It differs from equalization, which is a static change in level, but can also be used to reduce the level of sibilant frequencies.
De-essing can be achieved in the following ways; all perform the same function, temporarily reducing the level of high frequency content in the signal when a sibilant sound is present:〔
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