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1 decibel
['desibel, 'desibəl](( abbreviation db) the main unit of measurement of the loudness of a sound: Traffic noise is measured in decibels.) decibel* * *dec.i.bel[d'esibel] n decibel: unidade de medida de intensidade do som. -
2 decibel
['desibel, 'desibəl](( abbreviation db) the main unit of measurement of the loudness of a sound: Traffic noise is measured in decibels.) decibel
См. также в других словарях:
loudness — See loudly. * * * ▪ acoustics in acoustics, attribute of sound that determines the intensity of auditory sensation produced. The loudness of sound as perceived by human ears is roughly proportional to the logarithm of sound intensity: when… … Universalium
Equal-loudness contour — An equal loudness contour is a measure of sound pressure (dB SPL), over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones. The unit of measurement for loudness levels is the phon, and … Wikipedia
Sound unit — A sound unit is any acoustic unit of sound measurement.*bel, B a logarithmic unit of sound pressure equal, measured a tenth of it in decibels dB.*dB, decibel a logarithmic unit of sound pressure; 20 times the logarithm of the ratio of the sound… … Wikipedia
Prosodic unit — Minor (foot) break Major (intonation) break | ‖ IPA number … Wikipedia
Lu — Symbol for lutetium. * * * left upper [limb]; loudness unit; Lupron; lytic unit * * * Lu symbol lutetium * * * lutetium … Medical dictionary
LU — • left upper [limb]; • loudness unit; • Lupron; • lytic unit … Dictionary of medical acronyms & abbreviations
sone — unit of loudness on a scale based on subjective or perceived loudness Units of Measurement … Phrontistery dictionary
decibel (dB) — Unit for measuring the relative intensities of sounds or the relative amounts of acoustic or electric power. Because it requires about a tenfold increase in power for a sound to register twice as loud to the human ear, a logarithmic scale is… … Universalium
phon — unit of loudness of sound as heard by listeners Units of Measurement … Phrontistery dictionary
sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… … Universalium
Sound — /sownd/, n. The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 mi. (140 km) long; 3 30 mi. (5 48 km) wide. Swedish and Danish, Oresund. * * * I Mechanical disturbance that propagates as a longitudinal wave… … Universalium