Virtual Sound Level Meter

Sound Pressure Level Plot

NC/RC Analysis

Spectrogram Analysis

Features

  • MATLAB Based Software Sound Analyzer
  • Mimics results of an ANSI Standard Integrating Sound Level Meter
  • Includes Lp, LEQ, Octave and 1/3 Octave Band, NC, RC and FFT Analysis

Description

This project is the MATLAB development of a virtual sound level meter. The program will read in a calibrated .wav file and allow the user to analyze it as one would analyze a sound field with a sound level meter. The software implements Fast, Slow, Impulse and LEQ; A, C and Flat Weighting; Ln and Noise Dose analysis; Octave and 1/3 Octave band analysis; high resolution FFT analysis and spectrograms. Band analysis can be made using fast FFT methods or slower, but ANSI standard methods.

Source code requires MATLAB + Signal Processing Toolbox.
Developed under MATLAB R2010a (but might work with some earlier versions)

Executable version does not require MATLAB and runs under Windows XP, Vista, and Windows 7.

Estimated Worth For this Product appraised at 399.00
Your Cost: $Free$

ENJOY !

The Coders/Programers of this product worked really hard for endless hours
to bring this Amazing product to the General Public for absolutely NO COST.

As a show of Patronage and appreciation we ask that you help us to continue to make these types of projects possible by filling one of our quick and easy Sponsor Forms it wont take but a few seconds.
A portion of the proceeds will be donated so congratulations this is your Good deed for the day

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  • TomM 1 hour ago Thursday December 2016

    Thanks and 100% works. I will share it with my friends

  • Terminator! 1 hour ago Thursday December 2016

    Good thing I found this site. Thank you

  • tinkerbell 2 hours ago Thursday December 2016
     
    Well executed but I cannot move to next level. Works perfect for me
  • Vince 4 hours ago Thursday December 2016
     
    I ve been looking for this for a long time. Very Good.
  • dansw4 5 hours ago Thursday December 2016
     
    Cool!!!!!!!!!!!!!!! I will buy you a bottle of beer for this.
  • Joe Schmo Wednesday December 2016
     
    Damn great software!!!!!!!
  • Deb Wednesday December 2016
     
    Good thing this is free! thanks anyway
     
  • Grumpppy Wednesday December 2016
     
    What you see is what you get. I thought this is fake. Lolz
  • LJM Wednesday December 2016
     
    This is epic! Cool
     
  • joanna Wednesday December 2016
     
    Thanks. Works fine!

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