SignalSpirit Audio Analyser ® - shareware (shareware) program for audio measurements using sound card. It allows you to assess the level of noise (SNR), dynamic range, harmonic distortion (distortion), a division of the stereo channels to build the AFC. Radio measurements: spektroanaliz and oscilloscope resistance capacitance (RC), etc. As one of the applications, - assessment of the quality of the sound card.

It may be useful to radio amateurs and radio repair workshop.