noise level value

величина уровня шума

Англо-русский словарь по гражданской авиации. — М.: Скорпион-Россия. . 1996.

Смотреть что такое "noise level value" в других словарях:

  • Noise shaping — is a technique typically used in digital audio, image, and video processing, usually in combination with dithering, as part of the process of quantization or bit depth reduction of a digital signal. Its purpose is to increase the apparent signal… …   Wikipedia

  • Noise-induced hearing loss — (NIHL) is an increasingly prevalent disorder that results from exposure to high intensity sound, especially over a long period of time. Contents 1 Description 2 Mechanism 3 Types 3.1 …   Wikipedia

  • Noise health effects — are the health consequences of elevated sound levels. Elevated workplace or other noise can cause hearing impairment, hypertension, ischemic heart disease, annoyance, sleep disturbance, and decreased school performance. Changes in the immune… …   Wikipedia

  • Noise reduction — For sound proofing, see soundproofing. For scientific aspects of noise reduction of machinery and products, see noise control. Noise reduction is the process of removing noise from a signal. All recording devices, both analogue or digital, have… …   Wikipedia

  • Noise dosimeter — A noise dosimeter (American) or noise dosemeter (British) is a specialized sound level meter intended specifically to measure the noise exposure of a person integrated over a period of time; usually to comply with Health and Safety regulations… …   Wikipedia

  • level — 1. Any rank, position, or status in a graded scale of values. 2. A test for determining such rank or position. acoustic reference l. the biological reference l. for sound measurements. When the term decibel is used to …   Medical dictionary

  • level — lev|el1 W1S1 [ˈlevəl] n ▬▬▬▬▬▬▬ 1¦(amount)¦ 2¦(standard)¦ 3¦(height)¦ 4¦(floor/ground)¦ 5¦(rank of job)¦ 6¦(way of understanding)¦ 7 at local/state/national etc level 8 a level playing field 9 be on the level …   Dictionary of contemporary English

  • Image noise — Noise clearly visible in an image from a digital camera Image noise is random (not present in the object imaged) variation of brightness or color information in images, and is usually an aspect of electronic noise. It can be produced by the… …   Wikipedia

  • Sound level meter — Type 1 Sound Level Meter (Shown: Svantek 979) Sound level meters measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise, but especially for industrial, environmental and aircraft… …   Wikipedia

  • Signal-to-noise ratio — For signal to noise ratio in statistics, see Cohen s d. Signal to noise ratio (often abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined… …   Wikipedia

  • Johnson–Nyquist noise — (thermal noise, Johnson noise, or Nyquist noise) is the electronic noise generated by the thermal agitation of the charge carriers (usually the electrons) inside an electrical conductor at equilibrium, which happens regardless of any applied… …   Wikipedia

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