Assertion: sound attenuator | /r/CapableOf | achieve broader band attenuation
Facets:
value: unlike conventional internally-lined ductwork
type: OTHER
value: in relatively short lengths
type: TEMPORAL
Source sentences:
text: Unlike conventional internally-lined ductwork, which is only effective at attenuating mid- and high-frequency noise, sound attenuators can achieve broader band attenuation in relatively short lengths.