Assertion: sonar's use | /r/CapableOf | include ducking technique
Facets:
value: for attenuating sibilance
type: PURPOSE
Source sentences:
text: Other common uses include "Ducking" a technique used in radio broadcast, where the input signal, usually a vocal triggers the attenuation of the backing music track; and filter-sidechain de-essing for attenuating sibilance typically present in the 4-8kHz frequency range without effecting the tonal balance of the entire mix.