Octave Analysis Octave band analysis is a standard frequency analysis method in sound and noise measurement, thanks to its ability to closely reflect how the human ear perceives the sound spectrum. Instead of linear spectrum analysis, the signal is divided into frequency bands whose bandwidth is proportional to the center frequency, making acoustic evaluation more intuitive and aligned with measurement standards.
The system supports two calculation methods. True Octave uses IEC/ANSI-compliant filters for dynamic real-time analysis. The Synthesized method reconstructs octave spectra from FFT, suitable for applications requiring computational efficiency and flexible processing. Frequency weightings such as A, B, C, D, and Z are supported to meet a wide range of measurement requirements.
