Loudness 1


Loudness 1 : (Acoust) The intensity of sound as it affects the organs of hearing. Note: Loudness varies with sound wave amplitude and with frequency. At equal intensity, sound in the middle range of 1000 to 5000 cps appears to be louder than-at higher or lower frequencies. The unit of sound intensity or pressure level is the decibel (0. 1 bel), which is the intensity ratio of a given sound to a reference sound. See: Sense Organs
No records Found
afaatim.com copyright © April 2016 Dr.K.R.Kamaal. All rights reserved