C.3.4. Digital HP filter implemented in 1/1 & 1/3 OCTAVE and FFT analysis
“HP” filter characteristics
C.3.5. FFT analysis specification
1920, 960 or 480 lines of the power spectrum calculated in real time.
Sampling frequency 48 kHz (internal only)
Time window Hanning, Rectangle, Flat Top, Kaiser-Bessel
Averaging Linear
FFT calculation time step (no logging)
for 1920 lines, 80 ms
for 960 lines, 40 ms
for 480 lines. 20 ms
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