This is an implementation of the calculation of STC value according to ASTM E 413-04. Classification for Rating Sound Insulation.
Input the transmission loss in one third octave bands (dB) and enter the frequency bands and the program will calculate the STC value and produce a graph.
The center frequencies do not have to be exact as the program matches them to the reference contour and applies a tolerance.
Edward Zechmann (2023). Sound Transmission Class STC (https://www.mathworks.com/matlabcentral/fileexchange/28452-sound-transmission-class-stc), MATLAB Central File Exchange. Retrieved .
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