Using p/invoke and win-api to monitor audio line-in (C#)

In the las开发者_C百科t few days I was trying to write small program to monitor the audio line-in using win-api (winmm.dll). I can pinvoke api functions such as waveInOpen but I can't figure out how to use these functions to achieve my target.

the question is - can someone can briefly tell me how can I get the data from the audio line in using these API (C#).

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Well I finally found what I was looking for here.

http://www.codeguru.com/forum/archive/index.php/t-264694.html

Although this is a C code example, it is depicting the simple outline of using the windows audio api to read data from the sound-card line-in/microphone device.

I am now working on recodeing this C code to C#. if successful I will post it here.

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You don't have to!!!

Look this:

Measure speaker volume by recording playing sound with microphone

Join forces with the guy :)