Sound Transmission Class STC

Version 1.0.0.0 (43.5 KB) by Edward Zechmann
Program calculates Sound Transmission Class (STC) from transmission loss data.
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Updated 11 Aug 2010

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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.

Cite As

Edward Zechmann (2026). Sound Transmission Class STC (https://ch.mathworks.com/matlabcentral/fileexchange/28452-sound-transmission-class-stc), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2007b
Compatible with any release
Platform Compatibility
Windows macOS Linux
Categories
Find more on Audio Processing Algorithm Design in Help Center and MATLAB Answers
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Acknowledgements

Inspired by: ISMEMBERF

Version Published Release Notes
1.0.0.0