he work-from-home trend has brought families and roommates closer than ever … for better or worse. On the worse side, many professionals are finding it hard to concentrate on their work while the kids are playing nearby, and they’re getting frustrated when the noise from ever-present family members makes it hard to hear their jazz albums. Many commercials and tech columns suggest noise-canceling headphones as a solution—but they wrongly assume noise-canceling headphones cancel all noise. The reality is, for much of the noise you probably want to cancel, noise-canceling headphones are
