User manual

Appendix A: Specifications
AM700 Audio Measurement Set User Manual
A-43
Table A-22: FFT Analyzer (Cont.)
Capabilities Description
Frequency Related Characteristics
Measurement Range
High Resolution Mode DC to 20 kHz
High Bandwidth Mode DC to 80 kHz
Displayed Bins
Zoomed 16
Unzoomed 428
Bin Width 0.781 Hz (minimum span) to 156.3 Hz (maximum
span); calculated as span divided by 512.
FFT Record Length 1024 data points
Window Parameters
Window Functions
Weighting Functions Hann
Kaiser-Bessel
Blackman-Harris
Flat-top
Uniform
Saramaki-Rajan
User-defined
Amplitude Related Characteristics
Amplitude Resolution 0.1 dB with a flat-top window
Absolute Amplitude Accuracy 0.15 dB at 120 Hz