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I know the obvious answer is “try google…” but i have and I either end up with graphics or cmd-line tutorials, so…
Can anyone point I in the direction of a c# tutorial for “listening” to the audio line-in? Or is it straight forward with the right namespace included? Is it even possible without using directx or some such.
I want to detect external audio activity and report it on screen.
Cheers,
This code sample looks like it has everything that you need: VolumeMeter
Presumably you just need to change the code so that instead of rendering the current volume levels you could return a flag indicating whether “something” is going on.
It’s using the Managed DirectX library, which is a managed code wrapper for the native DirectX APIs.