Assertion: headphone | /r/CapableOf | keep the sound
Facets:
value: above 1 khz
type: OTHER
value: partially
type: DEGREE
value: inside
type: OTHER
Source sentences:
text: So if you are in a gathering and you want to take a personal call and can’t find any private space, you can trust these headphones as unlike other traditional headphones, which suffer from sound leak, these headphones will keep the sound inside and nobody else will be able to listen what you are hearing.
text: They tend to partially block the sound coming from the outside while letting some in through vents or openings at the outer ear cup.
text: Above 1 kHz, these headphones block about as much sound as all the active noise-cancelling headphones.