[wdmaudiodev] Re: PC Audio Capture

  • From: Tim Roberts <timr@xxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Wed, 06 Jan 2010 10:33:26 -0800

Sushma wrote:
> I want to develop an app which will capture the PC audio and save it
> in a sound format (WAV file). Something i found similiar in
> www.totalrecorder.com.
>
> For this kind of requirement do i need a filter driver which does the
> capturing. If so at what level in stack i need the filter driver to be
> placed?
>   

In Vista and beyond, the audio engine has a "loopback" path that allows
you to gain access to the final output stream, no driver required:
    http://msdn.microsoft.com/en-us/library/dd316551.aspx

-- 
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.

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