Sony HD noise canceling processor Qn1 masterfully eliminates the noise around you. Listen all day with up to 30 hours of battery life. Quick charging gives five hours of playback with just a 10-minute charge.What is the description of noise Cancelling headphones? Sony Noise cancelling wireless headphones monitor the sound around you, preventing the unwanted noise from ever reaching your ears. Miniature microphones in the earcups or earbuds listen to the outside noise frequencies and emit the exact opposite signal to effectively cancel out when the soundwaves collide.