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Calibrated Spectral Analysis

version 1.4 (83.5 KB) by

Simple Fourier Spectral Analysis of sound pressure time record.

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Perform Calibrated Spectral Analysis. Use mic_calib to calculate the calibration factor. Multiply the time records by the calibration factor and process the time records with pressure _spectra. pressure_spectra is the main program and allows the user to input the bin_size, number of averages, sampling frequency, and has options for maximizing the number of averages and forcing the bin_size to a factor of 2.

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Updates

1.4

Fixed a bug in the error handling of out of frequency tolerance calibrators. Now a warning message is output and the tolerance range is extended to 20 percent.

1.3

Fixed bugs in examples. Updated Comments

1.2

Removed the running average. Updated comments.

1.1

Improved A-weighting filter characteristics.

MATLAB Release
MATLAB 7.11 (R2010b)
Acknowledgements

Inspired by: octave, Moving averages / Moving median etc, spectral

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