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| Spanish | English |
| emisión de sonido | sound emission |
| emisión de sonido | sound emission Diffusion into the environment of a sound emitted from a given source |
| fuente linear de sonido | linear source of sound |
| fuente linear de sonido | linear source of sound Point noise sources placed one after the other one as, for instance, in a row of cars moving on a road |
| inmisión de sonido | sound immission |
| inmisión de sonido | sound immission The introduction in the environment of noise deriving from various sources that can be grouped in: transportation activities, industrial activities and daily normal activities |
| medición de sonido | sound measurement |
| medición de sonido | sound measurement Because of the large variations in sound magnitudes, and because the human hearing sensation seems to vary in a logarithmic way, logarithms are used in measurement of sound. The sound pressure level is given in decibels (dB) |
| nivel de sonidos | sound level The sound pressure level (in decibels) at a point in a sound field, averaged over the audible frequency range and over a time interval |
| propagación del sonido | sound propagation The travelling of acoustic waves in the atmosphere with a speed independent of their amplitude. The speed only depends on the acoustic medium and is proportional to the square route of the absolute temperature for any given medium |
| reflector de sonido | sound reflecting object |
| sonido incidente | incident sound |
| transmisión de sonidos | sound transmission |
| transmisión de sonidos | sound transmission Passage of a sound wave through a medium or series of media |