Meyer Sound Galileo GALAXY 408, User Manual

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GALILEO GALAXY USER GUIDE
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APPENDIX E: ATMOSPHERIC CORRECTION
OVERVIEW
The GALAXY processor’s Atmospheric Correction function uses atmospheric loss equations and pre-calculated values to
maintain system response as temperature and humidity vary. The correction coefficients are determined by user-entered
parameters: the environmental conditions, and unique to each output, Atmospheric Gain Factor and Distance.
Air absorption of sound is a complex, non-intuitive function, of which temperature, humidity, and distance have the most
effect, changing how well higher frequency sounds propagate through air. The graphs in Figure 38 indicate a multitude of
attenuation scenarios for just a handful of distances.
Figure 38: Atmospheric Attenuation of Sound Scenarios