NTi Audio Acoustilyzer AL1 - Manual (Page 43)

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FFT Analysis
The Acoustilyzer includes an extremely fast, real-time Zoom FFT with
resolutions of up to 0.7Hz over the entire frequency range. The display
shows 93 bins simultaneously.
The FFT measurement is the ideal tool for visualization of comb filters and
narrow band effects. It allows a detailed investigation of the frequency
response of audio systems.
FFT Audio
Spectrum
Set
Menu
Pause Cursor
Readout
Start Frequency
of Display
Y-Axis End Frequency
of Display
Size of displayed
Frequency Range
Set Menu
The SET menu is used to set the
measurement and display options as
follows: