:: MAE Advanced Geophysics Instruments ::


DADISP Octave - New


19-04-2011



1/N Octave Analysis Module


DADiSP/Octave is a menu driven module designed to simplify the task of octave, 1/3 octave and 1/N octave analysis used to characterize acoustic energy in a wide variety of applications.

DADiSP/Octave 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 normalized with a calibration value. The results can be plotted on log or linear axes and exact or preferred frequency values are supported. All options can be specified through a straightforward dialog box interface.

 

Key Features

- Simple Dialog Box User Interface

- True IIR digital filter implementation

- Conforms to ANSI S1.11 and IEC 1260 Specifications

- Optional A, B and C Frequency Weighting Filters

- Whole Octave Frequency Spacing

- Support for Preferred or Exact Frequency Values

- Binary and Decimal Frequency Ratio Methods

- ISO Band Number Center Frequency Option

- Supports User Defined Center Frequencies

- Mean, Max, Min or RMS Power per Band Outputs

- Multiple Graphic Styles including Bar and Step Plots





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