GETTING MY NOISE-CANCELING HEADPHONES TO WORK

Brent does his subjective checks in his audio lab, using a mix of cabin sounds recorded in 4 distinct airliners, fed as a result of eight speakers as well as a subwoofer in a level of 80 decibels, which happens to be about the degree you’d expertise within the rather loud cabin of an older jet like a Boeing 737 or possibly a McDonnell Douglas MD-