Sound Level Meter

Implements real-time spectrum analyzer and displays decibel level.

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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.

Cite As

Douglas Lanman (2026). Sound Level Meter (https://se.mathworks.com/matlabcentral/fileexchange/9603-sound-level-meter), MATLAB Central File Exchange. Retrieved .

Acknowledgements

Inspired by: Real time octave analysis

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
1.0.0.0