Headsets Only How does the Noise Reduction System Work in Modern Headsets? December 09, 2019
Nowadays, almost half of the assortment in the audio department of any store is equipped with an active noise reduction system. Some say that this is the best invention since the advent of headsets, while others are sure that this is just another ploy for pumping money. Active noise cancellation is a way to eliminate unwanted noise by superimposing specially generated sound. The system captures the noise that needs to be suppressed through an external microphone and emits a sound wave with the same amplitude but mirrored phase of the original sound. A wave of noise and generated sounds are mixed and suppress each other. This method of dealing with noise when listening to music allows you to abandon the full sound insulation or from an excessive increase in volume. These two methods were previously actively used to suppress unnecessary sounds. This is Effective Many vainly consider the active noise reduction system a marketing ploy. The system will not protect against all noise but it performs its direct function properly. It is generally accepted that a person is able to perceive sounds in the range from 20 Hz to 20 kHz. Most modern “noise suppressors” cope well with noise from 100 Hz to 1 kHz. This is enough to save the listener from the conversations of other people, the noise of transport and wind. In good noise-canceling headphones, you can feel in a quiet room, even while on a noisy street. Useful Active Squelch Chips