CLIOwin 6.5 PCI User's Manual - Audiomatica Srl
CLIOwin 6.5 PCI User's Manual - Audiomatica Srl
CLIOwin 6.5 PCI User's Manual - Audiomatica Srl
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9.3 FFT SETTINGS DIALOG<br />
Fig. 9.2 The FFT settings dialog box<br />
FFT Size<br />
Selects the number of samples acquired and processed by each FFT. It is possible<br />
to choose a size between 256 and 65536 points.<br />
Sampling<br />
Selects the sampling frequency.<br />
Hold Function<br />
Selects either Min or Max hold function. This functionality is activated by the relative<br />
toolbar button.<br />
Freq Axis<br />
Selects among four possible FFT or RTA operating modes:<br />
- Linear frequency axis (narrowband)<br />
- Logarithmic frequency axis (narrowband)<br />
- 1/3 Octave filtered (RTA)<br />
- 1/6 Octave filtered (RTA)<br />
Delay<br />
Permits the input of the desired processing delay (in ms) when in Internal Trigger<br />
mode. See 9.7 for details.<br />
Averaging<br />
Selects either linear or logarithmic averaging; see Averaging (9.6) for details.<br />
Chapter 9 - FFT 79