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Dadisp/Octave

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Dadisp has released Dadisp/Octave - a menu-driven software module that simplifies octave, 1/3 octave and 1/N octave analysis used to characterise acoustic energy in a wide variety of applications.

The software provides 1/N octave analysis using true IIR digital filters that conform to ANSI S1.11 and IEC 1260 specifications. A, B and C weighting filters can be applied to the input data. Output results include mean power, max power, min power and un-weighted RMS values.

The output can be normalised with a calibration value. The results can be plotted on log or linear axes; Exact or preferred frequency values are supported. All options can be specified through a straightforward dialog box interface.

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