windows - insert an application between microphone and other applications -

to best of knowledge, hasn't been asked or addressed before. here question:

i using windows 8.1 , want write application work between microphone , other application uses microphone skype, hangout .... can further exemplify the application in mind follows: simple case add noise input of microphone whether being used skype or hangout or voice recording app. can think of signal processing method possible candidate application aside noise.

i have make microphone input go through application whatever requests usage of microphone. know sounds overwriting microphone firmware @ application level. want redirect microphone input through application , give output of application microphone source other microphone dependent applications.

do know of way or similar application?

thanks help!