Friday, January 21, 2011

Noise Reduction Device


Noise reduction devices are very helpful in reducing the increasing level of noise pollution created by several sources. There are many types of noises made by a number of noise-making things and elements whereas the most common types of noises include burst noise, jitter, additive white Gaussian noise (AWGN), Johnson–Nyquist noise, cosmic noise, errors and residuals in statistics, Gaussian noise, white noise, grey noise, shot noise, flicker noise, and quantization error (also known as Q noise). Many instruments, noise reduction devices and anti-noise machines are used for desired noise reduction such as active noise control=anti-noise, DBX (noise reduction), differential signaling, Dolby noise reduction system, helicopter noise reduction, hush kit, low noise amplifier, low-noise block converter, noise barriers, noise cancellation devices, noise-cancelling headphone, noise control devices, noise mitigation devices, noise reduction instruments and devices, noise regulation instruments and devices, RF shielding, and silencer and sound proofing etc. Environmentally, noises are classified into many types and categories such as artificial noise, aircraft noise, background noise, impulse noise, industrial noise, noise (acoustic), roadway noise and train noise etc. Implementation of these noise reduction techniques requires lots of skills and experience. Once successfully implemented, these noise reduction devices and techniques offer you a great result in a very short period of time. 

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