At first the artificial acoustics aimed only to amplify the sound when in front of the crowd, either outside the building or in the building that is full of spectators and music. But nowadays artificial acoustics are useful as noise filters that interfere with the normal threshold of human hearing. The microphone in pairs around the sound source, such as television and radio, or other audio devices, the microphone will capture the noise that causes noise and make the sound we want to hear very beautiful and clear. Spacing distance of the speakers must also be considered, although already filtered noise, but we still set the distance to the sound source.
The effect of noise
Noisy are all distracting, disturbing or dangerous sounds for everyday activities (work, rest, entertainment or learning) or in other words the noisy definition is all sounds unwanted by the recipient
the following I will describe the sources of noise are:
one of the alternative ways to dispel the noise is by utilizing the vegetation around the home.
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