Best noise-cancelling headphones of 2021: Reviews and buying advice
Headphones with active noise cancellation (ANC) identify sound waves associated with noise and electronically generate an inverse sound wave that cancels it it out. Here’s what we mean: A sound wave is similar to the ripples in a pond. Toss a pebble in the pond and then introduce ripples of the opposite pattern and you’ll smooth the pond’s surface. Active noise cancellation (ANC) works in a similar manner. Microphones mounted on the headphone analyze ambient sound waves and then produce inverse sound waves that will cancel them out. Updated April 5, 2021 to add our Monoprice BT600ANC...