noise filter

См. также в других словарях:

• noise filter — triukšmo filtras statusas T sritis fizika atitikmenys: angl. noise filter vok. Geräuschfilter, n rus. шумовой фильтр, m pranc. filtre de bruit, m …   Fizikos terminų žodynas

• 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 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

• Filter design — is the process of designing a filter (in the sense in which the term is used in signal processing, statistics, and applied mathematics), often a linear shift invariant filter, which satisfies a set of requirements, some of which are contradictory …   Wikipedia

• Noise (audio) — Noise in audio, recording, and broadcast systems refers to the residual low level sound (usually hiss and hum) that is heard in quiet periods of a programme. In audio engineering, it can refer either to the acoustic noise from loudspeakers, or to …   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 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-shaping — Der Begriff Rauschformung (engl. noise shaping) bezeichnet ein Verfahren, in dem das Quantisierungsrauschen eines digitalen Signals in bestimmten Frequenzbereichen stärker konzentriert wird und es dadurch zu einer Verschiebung der Rauschenergie… …   Deutsch Wikipedia

• Noise Shaping — Der Begriff Rauschformung (engl. noise shaping) bezeichnet ein Verfahren, in dem das Quantisierungsrauschen eines digitalen Signals in bestimmten Frequenzbereichen stärker konzentriert wird und es dadurch zu einer Verschiebung der Rauschenergie… …   Deutsch Wikipedia

• Noise Level — Das Signal Rausch Verhältnis (auch Störabstand a bzw. (Signal )Rauschabstand aR, oft auch abgekürzt als SRV beziehungsweise SNR oder S/N vom Englischen signal to noise ratio) ist ein Maß für die technische Qualität eines aus einer Quelle… …   Deutsch Wikipedia

• Noise-canceling microphone — A noise canceling microphone is a microphone designed to filter out ambient noise from the desired sound, especially useful in noisy environments. Contents 1 Technical detail 2 Alternative technologies 3 Applications …   Wikipedia