2006•Journal of Academy of Armored Force EngineeringRequires access

Prediction of Sound Transmission Loss of Panel Using Statistical Energy Analysis

Suo Wen-chao

Abstract

Before using statistical energy analysis to calculate the sound transmission loss, establish SEA model first to convert the panel sound transmission loss calculation into the vibration power linearity algebra equation calculation; then calculate the parameter of equation group (SEA parameter) to gain the sound transmission loss of panel; at last, measure the practical transmission loss of panel in a reverberation chamber-noise elimination box. It is testified that statistical energy analysis is an effective method to predict the sound transmission loss of panel after contrasting and analyzing the results of calculation and experimentation.

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Key concepts: Statistical energy analysis, Sound transmission class, Transmission loss, Transmission (telecommunications), Reverberation, Sound power, Energy (signal processing), Acoustics