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I need to capture/record audio of a single application. Other applications, with sounds, may run simultaneously, but I only want the output of a single one. The microphone needs to work while doing this as well (though it's not the microphones output I want). The captured audio should preferably be written to wave file continuously.

I'm running Win 7 x64. I've noticed that the application "Livestream Producer" seems to be able to grab the output of games, so I guess it should be possible somehow.

For Mac OS X, there seems to be programs which accomplish this, like "WireTap", "SoundFlower" and "Audio Hijack".

Any ideas?

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Have you tried Total Recorder? It is able to record any audio on your machine, not quite sure if it can pick the source though.

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I didn't find a way to select a specific program. – quano May 7 '11 at 13:32

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