问题
Is there a way in Windows using C# to record a sample of the stereo mix?
In other words, record all pings, beeps and music being played via any application? I've had a look at NAudio which will record the microphone as it's source, but I can't figure out how to point it at Windows' stereo mix?
Or, if anyone knows, any pointers on how to target and record sound from a specific application? For this I'm only concerned with Vista or Windows 7, as both the aforementioned operating systems support mixing applications separately - so I wasn't sure if there was a way to tap into that.
I've looked at WINMM and COREDLL too, but I'm a bit lost.
回答1:
I think first you have to activate the stereo mix device in the control panel, then you should be able to record from it. Check this msdn thread: How to record from 'Wave' or 'Stereo Mix' in Vista.
来源：https://stackoverflow.com/questions/2855782/get-sample-of-sound-from-stereo-mix-in-windows