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Selwyn Wright. Selwyn Wright (/ˈˈseˌlwɪnˈˈraɪt /) (29 October 1934 – 12 February 2015) was an English physicist, who held the Brook Crompton Chair of Engineering at the University of Huddersfield in the UK. He is best known for the development of what the media termed "The Silence Machine" which was covered in some press, [1] in New ...
Active noise control ( ANC ), also known as noise cancellation ( NC ), or active noise reduction ( ANR ), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in ...
Acoustic quieting. Acoustic quieting is the process of making machinery quieter by damping vibrations to prevent them from reaching an observer. Machinery vibrates, causing sound waves in air, hydroacoustic waves in water, and mechanical stresses in solid matter. Quieting is achieved by absorbing the vibrational energy or minimizing the source ...
With a new update, WhatsApp wants to make spam calls less annoying and let users select the optimal privacy settings, the company announced. The first feature, called Silence Unknown Callers, does ...
For home theater owners that love audio as much as (if not more than) video, unwanted noise is a real downer.
The company calls the headset a "noise management" system that uses active noise cancellation to hush background noise and focus on the voice of the person you're talking with.
Noise pollution, or sound pollution, is the propagation of noise or sound with ranging impacts on the activity of human or animal life, most of which are harmful to a degree. The source of outdoor noise worldwide is mainly caused by machines, transport and propagation systems. [1] [2] [3] Poor urban planning may give rise to noise ...
However, white noise has also been proven to help children and parents, but only at 60 decibels or less, the volume of a quiet conversation. According to the NIOSH, limiting exposure to white ...