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Experimental Investigation into Noise Insulation of Straw and Reeds

Keywords: noise insulation , reduction in sound level , noise suppression chamber , straw , reeds , sustainable material

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Abstract:

Sound insulation is mainly affected by the mass or density of the wall. Therefore, in order to compare their effectiveness depending on thickness, the specimens of the same density have been made. Sound insulation also depends on sound frequency, and therefore frequency dependent analysis has been conducted. Considering all positions of thickness, the effectiveness of sound reduction has been dispersed with deep dips in some specific frequencies. Besides, the effectiveness of straw and different configurations of reeds has been compared with respect to frequency bands.

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