cDSP DeEsser

The Split-band DeEsser reduces the excessive sibilant consonants in voice recordings.

cDSP DeEsser


Sets the first crossover frequency for the sibilant band - between 1000 and 10000 Hz.

Note: the second crossover frequency is set automatically to preserve frequencies above 10000 Hz.

Also see GUI.


Sets the DeEsser compression ratio in dB - between 1.5:1 and 20.0:1.

Note: compression ratios work so that a ratio of 2.0:1 indicates that a signal exceeding the threshold by 8 dB will be attenuated down to 4 dB above the threshold.

Also see GUI.


Sets the DeEsser threshold in full-scale dB - between -70 and 0 dBFS.

Also see GUI.


Sets the DeEsser attack time in milliseconds - between 0.01 and 1000 ms.

Attack - the time it takes for the signal to become fully compressed after exceeding the threshold level.

Also see GUI.


Sets the DeEsser release time in milliseconds - between 1 and 10000 ms.

Release - the time it takes for the signal to go back to the original state.

Also see GUI.

Soft Knee

Sets the DeEsser soft knee on/off state.

Analog Detector

Sets the DeEsser detection type - Analog or Digital.

The Analog detection option tends to be softer than the Digital one.


Sets the DeEsser makeup gain - between -40 and 40 dB.

Also see GUI.

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