| As a result, Virtins Sound Card Instrument boasts a very fast screen refresh rate (typically 15 frame per second) and thus a truly real time response. The dual-channel Spectrum Analyzer provides four types of views: (1) Real time Amplitude Spectrum display (2) Real time Phase Spectrum display (3) Real time Auto Correlation display (4) Real time Cross Correlation display with adjustable FFT points ranging from 128 to 32768 and selectable windowing functions such as Rectangle, Triangle, Hanning, Hamming, Blackman. |