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Sound Card Spectrum Analyzer can turn your PC into a multi-function test and measurement instrument by using its built-in sound card as the ADC and DAC. It can be used to analyze amplitude spectrum, power spectrum, real time, octave, phase spectrum, correlation, frequency response measurement, distortion, noise, harmonics, etc. Additional sensors, transducers, ADC and DAC hardware, computers, etc., could also be coupled with your sound card to enhance its feature set. Maximum sampling rate of 768 kHz and sampling resolution of 24 bits is possible.
Demo version of "Sound Card Spectrum Analyzer" is given as a feature in the "Virtins Multi-Instrument" installer; this package also gives all other Virtins applications. You can purchase individual instruments from the online store.