- Equivalent Noise
- F/A/VA microphone in a completely silent room still generates some residual noise. This noise can be measured and can be computed. That computation is the 'Equivalent Noise'. (Acoustics)
Audio and video glossary. 2014.
Equivalent Noise
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equivalent noise — ekvivalentinis triukšmas statusas T sritis fizika atitikmenys: angl. equivalent noise vok. Äquivalentrauschen, n rus. эквивалентный шум, m pranc. bruit équivalent, m … Fizikos terminų žodynas
Equivalent noise resistance — In telecommunication, an equivalent noise resistance is a quantitative representation in resistance units of the spectral density of a noise voltage generator, given byR n = frac {pi W n}{k T 0} where W n is the spectral density, k is the… … Wikipedia
equivalent noise temperature — triukšmo temperatūra statusas T sritis automatika atitikmenys: angl. equivalent noise temperature; noise temperature vok. equivalente Rauschtemperatur, f; Rauschtemperatur, f rus. шумовая температура, f pranc. température équivalente de bruit, f … Automatikos terminų žodynas
equivalent noise generator — ekvivalentinis triukšmo generatorius statusas T sritis fizika atitikmenys: angl. equivalent noise generator vok. äquivalenter Geräuscherzeuger, m rus. эквивалентный шумовой генератор, m pranc. générateur équivalent de bruit, m … Fizikos terminų žodynas
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
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 (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 temperature — In electronics, noise temperature is one way of expressing the level of available noise power introduced by a component or source. The power spectral density of the noise is expressed in terms of the temperature (in kelvins) that would produce… … 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
