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When the Earth reflects enough light, we can see the entire moon, not justĮarth surface loudspeakerHit the link to read this fascinating article found at .ĮASE ( Enhanced Acoustic Simulator for Engineers) A computer
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Leonardo da Vinci was the first person to figure out that An abstract of the published paper is found here.Įarthshine The sunlight reflected from the Earth to the moonĪnd back again. A new theory has emerged from researchers at the National Center for Scientific Research in Brest, France, who believe it is due to ocean waves that cause our planet to vibrate subtly, or ring. Hum A mysterious infrasonic sound that reverberates through the Earth. Hit the link to learn more and hear for yourself. Listener after the direct sound are called early reflections.Įarth's Cries A dreadful sound created high above the planet related to the Northern Lights. The first several reflected sound waves to reach the Take a little longer to reach the listener due to traveling a slightly Sound the next to arrive is the first reflected sound waves, which The first sound that arrives at a listener is called the direct It takes for a signal to decay from 0 to -10 dB relative to its steadyĮarly, James(1922-2004) American scientist and engineer who pioneered bipolar transistors.Įarly reflections Acoustics. Įargle, John Morgan (1931-2007) American audio engineer, musician, author, educator, recording engineer and Grammy winner.Įarly decay time (EDT) Time (in seconds) that The vertebrate organ of hearing, responsible for maintainingĮquilibrium as well as sensing sound and divided in mammals into the externalĮar, the middle ear, and the inner ear. For examples see: LARES, VRAS, SIAP, and Carmen®.Įar Anatomy. This is called the equivalent acoustic distance.ĮAE ( electronic acoustic enhancement) (seen shortened to acoustic enhancement and called electronic architecture ) Any of several systems that make use of adding sound energy to a listening space rather than using sound absorbers to improve the quality.
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Introducing sound reinforcement acts to make the speaker louder thus effectively shorting the distance to the listener. In a live situation without sound reinforcement there is a speaker, or other source, and a listener separated by a straight line distance. See Maor.ĮAD ( equivalent acoustic distance) Sound Reinforcement. The base of the natural system of logarithms, having a numerical value of approximately 2.71828. E Archaic symbol for voltage (stands for electromotive force, since it is measured in volts) but the official SI symbol is V, although E is still seen in many equations.Į Mathematics.
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