Short description of Virtins Sound Card Spectrum Analyzer 3.2: VIRTINS Sound Card Spectrum Analyzer is a powerful PC based virtual instrument. It consists of a sound card real time oscilloscope and a sound card real time spectrum analyzer and can run them concurrently. It features a specially designed data acquisition approach which is able to monitor the input signal continuously without missing any triggering event. It boasts a very fast screen refresh rate. It is a part of VIRTINS Multi-Instrument.