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i don't have a microphone with me right now. however i want to install a virtual microphone that can use the speakers output as input. i want to test some speech recognition using this.

how to do this in vista.

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closed as not a real question by Mokubai, Diogo, Renan, Randolph West, Canadian Luke Aug 8 '12 at 21:49

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

Probably not what you are looking for, but you could use loopback cable.

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cool but i want to do it using a software configuration option. – Rohit Banga Oct 31 '09 at 12:56

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