DADiSP Software
Modules - DADiSP/Octave
1/N Octave Analysis Module New
 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
- Fractional (1/N) 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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