addasound

  As a professional telephone headset suppliers, ADDASOUND offer addasound products which are specially designed for professional users in call centers and offices who would like to have the best hands-free device while experiencing superior noise-canceling, crystal clear voice transmission, all-day comfort and great durability. We provide addasound headset , addasound , telephone headset , Headset   and so on.   The purpose of this article, issued by Addasound , is to help readers choose the correct microphone to achieve better headphone noise cancelling performance. Surely, it can also help you better understand the principle and implementation of noise cancelling headphones.   Introduction of corded noise cancelling headphones   When the ambient noise frequency is (<1 kHz) low frequency, passive noise cancellation technology cannot provide the ideal effect. Active Noise Cancellation (ANC) eliminates the original noise by picking up noise signals and genera...