The Soundcard Oscilloscope is useful electronics software for student and electronics hobbyist. Like visual analyzer, the software use PC Soundcard as main hardware. The software receives its data from the Soundcard with 44.1kHz and 16 Bit resolution.
“The data source can be configured in Windows mixer (Microphone, Line-In or Wave). The frequency range depends on the sound card, but 20-20000Hz should be possible with all modern cards. The low frequency end is limited by the AC coupling of the line-in signal. Be aware, that most microphone inputs are only mono,” said Christian Zeitnitz, the software creator.
This Oscilloscope software has additional functions. It can be used as signal generator for 2 channels for Sine, Square, Triangular and Saw tooth wave frequency range from 0 to 20kHz. You can generate Lissajous figures in the x-y mode by fed back the output to the oscilloscope. Other features including Frequency analysis (Fourier spectrum), Frequency filter, Audio Recorder. The software also support multi soundcard system.
Soundcard Oscilloscope is free of charge for private and non-commercial use in educational institutions. For commercial application, you requires to buy its license. You can download the scope here