Thanks Robert for your response. Robert wrote: >>If you target Vista and Windows 7, there is already a loopback device accessible via >>WASAPI: No,I want to develop the driver for below vista OSes. >>Oh yes, it has been discussed plenty in the past. I guess you need to improve the >>searching ;) My actual question was "which one *ac3 , pcmex or.....* I need to choose inside MSVAD folder for my current requirement. And I did not see any thread is describing this :(. May be I am asking this because of less knowledge in audio driver architecture. But it will be great if you can tell me or give some link/docs where each of these folders are explained in details. Thanks and regards /sarbojit On Tue, May 3, 2011 at 9:00 PM, Robert Bielik <robert.bielik@xxxxxxxxxx>wrote: > Sarbojit Sarkar skrev 2011-05-03 17:25: > > Hi, >> >> I am not sure if it has been already discussed. I searched but did not get >> some thing real worth. >> > > Oh yes, it has been discussed plenty in the past. I guess you need to > improve the searching ;) > > You searched the wdmaudiodev archives, right ? ( > //www.freelists.org/archive/wdmaudiodev) > > > Any pointer or any hint will help a lot. >> > > If you target Vista and Windows 7, there is already a loopback device > accessible via WASAPI: > > http://msdn.microsoft.com/en-us/library/dd316551(v=vs.85).aspx > > Regards, > /Rob > > > > > > ****************** > > 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/ > >