noise contour

noise contour
контур рівня шуму

Англійсько-український словник авіаційних термінів / Уклад.: Р.О. Гільченко. - К.: НАУ. 2009.

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  • Noise regulation — includes statutes or guidelines relating to sound transmission established by national, state or provincial and municipal levels of government. After the watershed passage of the United States Noise Control Act of 1972,[1] other local and state… …   Wikipedia

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  • Noise map — A noise map is a graphic representation of the sound level distribution existing in a given region, for a defined period. Contents 1 Directive 2002/49/EC 2 Production of noise maps 3 Noise mapping using simulation tools …   Wikipedia

  • Noise weighting — A noise weighting is a specific amplitude vs. frequency characteristic that is designed to allow subjectively valid measurement of noise. It emphasises the parts of the spectrum that are most important. Usually, noise means audible noise, in… …   Wikipedia

  • Equal-loudness contour — An equal loudness contour is a measure of sound pressure (dB SPL), over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones. The unit of measurement for loudness levels is the phon, and …   Wikipedia

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  • Colors of noise — White Pink Red (Brownian) Grey While noise is by definition derived from a random signal, it can have different characteristic statistical properties corresponding to different mappings from a source of randomness to the concrete noise. Spectral… …   Wikipedia

  • Audio noise measurement — is carried out when assessing the quality of audio equipment, such as is used in recording studios, broadcast studios, and in the home (Hi Fi).Noise in general refers to unwanted sound, often loud, but in audio systems it is the low level hiss or …   Wikipedia

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