Oscolliscope with sound card only

[diypass]

I'm looking for free software that will allow me to use the PC as an oscilloscope using only the sound card.
i'm not intrested to range extension

thank you

 

[jkuetemann]

Check out Visual Analyzer.

 

[EssB]

Soundcard Oscilloscope by Christian Zeitnitz

 

[diypass]

Soundcard Oscilloscope by Christian Zeitnitz

is free of charge

 

[diypass]

Check out Visual Analyzer.

I can not understand how it works
is there a simple tutorial?