Acoustic emission inputs: 2channels/card, each channel can acquire waveform, FFT analysis and extract AE ... features USB Acousti c USB Acoustic emission Acquisition Card•Acoustic emission inputs: 2channels/card, each channel can acquire waveform, do FFT analysis ... Spectrum Parametric 1-5•Analog Parametric Inputs: 4 channels per card, computer selectable name and units of parametric•Parametric A/D ...