Assertion: noise canceling headphone | /r/CapableOf | use sound cancellation
Facets:
value: across the entire spectrum
type: OTHER
Source sentences:
text: While it may be desirable to have a noise-canceling headphone that used sound cancellation across the entire spectrum, it's just not practical or cost-effective given today's technology - it like saying that automobiles that get 50 miles/gallon aren't "properly adjusted" because they don't get 400 miles/gallon.