1/3 Octave Spectrum

This analyser performs a 1/3-octave band analysis of the input wave and outputs the 1/3-octave band time-spectrum and spectrum and specific loudness pattern following ISO532B (Zwicker method).

Calibration

The internal calibration of this analyser is such that a 1 kHz tone yields the calibrated level in the 1/3-octave band centred on 1 kHz. Note that this is different to the internal calibration of the FFT Spectrum and related analysers, which are based on the power sum of all frequency components.

Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution-ShareAlike 3.0 License