graph - How to make "real time" "sound card" oscilloscope in C# with NAudio library? -


i know how sound sound card (microphone) , save file.

https://www.youtube.com/watch?v=fxwj5ek9r_k

and know how load file , show wave graph wave file.

https://www.youtube.com/watch?v=znfovuovruq

but how read sound wave sound card , make wave graph on screen in real time?

(i don't want save drive.)

i need 2 seconds of wave graph graph can redrawn. speed of showing data on screen more important, saving of data.

(if solution can compatible dot.net 4 great - winxp support .net 4 not .net 4.5)


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