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 DspSee is a free and very powerful visual digital signal processing software. It consists of a visual environment and signal processing modules. DspSee allows you to process real digital signals acquired using different methods.

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Digital Signal Generator is a virtual signal gerenator that use sound card or LabView compatible A/D card to outport signal.

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Virtins Sound Card Instrument is a powerful PC based virtual instrument. It consists of a sound card real time oscilloscope, a sound card real time spectrum analyzer and a sound card signal generator, and can run them concurrently

A complete professional real time software, transform your PC in a complete set of instruments; no new hardware necessary (you can use the Sound Card of your PC)