Winscope Winscope is software that will use your sound card to sample input waveforms and display results on your computer monitor. In addition, winscope also has a storage facility and has a powerful FFT (fast fourier transform) routine, which enables winscope to act as a spectrum analyser. Winscope 2.51 is designed by Konstantin Zeldovich and he has graciously distributed it as freeware.After downloading winscope, which comes as a .ZIP file unzip it and read the help file that is distributed with the program. Above is a snapshot of Winscope displaying a sine waveform.source