Assertion: headphone's sound | /r/HasProperty | ambient noises components
Facets:
Source sentences:
text: Another type of known noise-canceling headphones is equipped with: a microphone provided between an ear of a user and a speaker to directly receive sounds that include ambient noises components and are to be given off to the ear; and feedback noise-reducing circuitry to detect the ambient noises components from the difference between the received sounds and an original signal and output audio signals from which the ambient noises components are subtracted, thus reducing the ambient noises components.