masking level
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Masking threshold — The masking threshold is the sound pressure level of a sound needed to make the sound perceptible in the presence of another noice, called a masker . This threshold depends upon the frequency, the kind of masker, and the kind of sound being… … 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
Sound masking — For other uses of masking , see Masking (disambiguation). Sound masking is the addition of natural or artificial sound (such as as white noise or pink noise) into an environment to cover up unwanted sound by using auditory masking. This is in… … Wikipedia
Auditory masking — occurs when the perception of one sound is affected by the presence of another sound (Gelfand 2004). The term masking is not confined to auditory perception as it can also be used in visual perception tasks.Masking can be simultaneous or non… … Wikipedia
Saccadic masking — Saccadic masking, also known as visual saccadic suppression, is the phenomenon in visual perception where the mind selectively blocks visual processing during eye movements in such a way that neither the motion of the eye (and subsequent motion… … Wikipedia
Unsharp masking — is an image manipulation technique now familiar to many users of digital image processing software, but it seems to have been first used in Germany in the 1930s as a way of increasing the acutance, or apparent sharpness, of photographic images.… … Wikipedia
Aperture masking interferometry — is a form of speckle interferometry, allowing diffraction limited imaging from ground based telescopes. This technique allows ground based telescopes to reach the maximum possible resolution, allowing ground based telescopes with large diameters… … Wikipedia
difference — The magnitude or degree by which one quality or quantity differs from another of the same kind. alveolar arterial oxygen d. the d. or gradient between the partial pressure of oxygen in the alveolar spaces and the arterial blood : P( … Medical dictionary
MLD — is usually an abbreviation that can stand for: Terminology: Manual lymphatic drainage Metachromatic leukodystrophy Median lethal dose Moderate learning disability Multicast Listener Discovery Masking Level Difference Maniac Latin Disciples Marine … Wikipedia
MLD — manual lymph drainage; masking level difference; mean luminal diameter; median lethal dose; metachromatic leukodystrophy; minimal lesion disease; minimal luminal diameter; minimum lethal dose * * * MLD abbr 1) median lethal dose 2) minimum lethal … Medical dictionary
MLD — • manual lymph drainage; • masking level difference; • mean luminal diameter; • median lethal dose; • metachromatic leukodystrophy; • minimal lesion disease; • minimal luminal diameter; • minimum lethal dose … Dictionary of medical acronyms & abbreviations
