RtFFT: A realtime spectrum analyzer

rtfftRtFFT by Gary P. Scavone is a fairly basic realtime spectrum analyzer. It can simultaneously display an arbitrary number of FFT signals, which correspond to the spectra of data input from one or more channels of your computer soundcard. The plot window can be zoomed to any arbitrary limits. Controls are provided for the FFT size, the window type, and window averaging.

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Alexander Refsum Jensenius is a music researcher and research musician living in Oslo, Norway.