Observe signals simultaneously in time and frequency domains (TFD) with TFD Scope. The software uses your sound card. You can connect a microphone or other signal source to your sound card and observe a signal waveform as well as spectrum in real time. The software provides two channel signals analyzing with a refresh rate of time and frequency windows - 10 frame per second.

The license of this software is Free Trial Software, the price is $25.00, you can free download and get a free trial.