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. ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/