Audio Spectrum Analyzer Features
Analyzes audio from 10 Hz to 20 kHz
Input from microphone or wave file
Variable displays
Fast Fourier Transform (FFT) display
Variable sample rates (8000 Hz, 11025 Hz, 22050 Hz, 44100 Hz)
Variable transform sizes (1k, 2k, 4k, 8k)
Upper and lower limits adjustable
Continuous, averaged, peak hold
Selectable foreground/backgrounds
Variable markers (2)
Save a reference plot, compare with the foreground plot
Time display (oscilloscope)
Triggered sweep
Waterfall display (color or B/W)