- background noise reduction
- ослабление фоновых помех; понижение уровня помех
Англо-русский словарь по ядерным испытаниям и горному делу. 2013.
background noise reduction
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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
Background noise — In acoustics and specifically in acoustical engineering, background noise is any sound other than the sound being monitored. Background noise is a form of noise pollution or interference. Background noise is an important concept in setting noise… … Wikipedia
dbx (noise reduction) — The logo represents both the company and its noise reduction system dbx is a family of noise reduction systems developed by the company of the same name. The most common implementations are dbx Type I and dbx Type II for analog tape recording and … Wikipedia
Dbx (noise reduction) — dbx is a family of noise reduction systems developed by the company of the same name. The most common implementations are dbx Type I and dbx Type II for analog tape recording and, less commonly, vinyl LPs. A separate implementation, known as dbx… … Wikipedia
Dynamic Noise Reduction — (DNR) is an audio noise reduction system, introduced by National Semiconductor to reduce noise levels on long distance telephony. [http://www.compolinc.com/dynamic.htm] First sold in 1981, DNR is frequently confused with the far more common Dolby … Wikipedia
Digital noise reduction — or DNR is a software program used to enhance the quality of digital photographic reproductions of either still or moving images. It is a tool especially useful to correct imperfections (such as film grain, electronic noise, film speckles, dirt,… … Wikipedia
Dolby noise-reduction system — A Dolby 361 A type noise reduction module Dolby NR is the name given to a series of noise reduction systems developed by Dolby Laboratories for use in analog magnetic tape recording. The first was Dolby A, a professional broadband noise reduction … Wikipedia
Dolby noise reduction system — Dolby NR is the name given to a series of noise reduction systems developed by Dolby Laboratories for use in analogue magnetic tape recording. The first was Dolby A professional noise reduction for recording studios in 1966, but the best known is … Wikipedia
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 measurement — is carried out in various fields. In acoustics, it can be for the purpose of measuring environmental noise, or part of a test procedure using white noise, or some other specialised form of test signal. In electronics it relates to the sensitivity … Wikipedia
Noise figure — (NF) is a measure of degradation of the signal to noise ratio (SNR), caused by components in a radio frequency (RF) signal chain. The noise figure is defined as the ratio of the output noise power of a device to the portion thereof attributable… … Wikipedia
