This tutorial/demo presents the design of a sound level meter in Matlab. The Data Acquisition Toolbox is used to implement a real-time spectrum analyzer. The decibel meter is implemented in the frequency domain using Parseval's relation.
Documentation is provided in the included PDF.
Further information is available at: http://mesh.brown.edu/dlanman.
Douglas Lanman (2022). Sound Level Meter (https://www.mathworks.com/matlabcentral/fileexchange/9603-sound-level-meter), MATLAB Central File Exchange. Retrieved .
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Platform CompatibilityWindows macOS Linux
Inspired by: Real time octave analysis
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