[wdmaudiodev] Windows 7 :: usbaudio.sys

  • From: -t <tge96@xxxxxxxxx>
  • To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Fri, 28 Oct 2011 13:10:46 -0700 (PDT)

I'm wondering if you might know if usbaudio.sys in Windows 7 supports playback 
of 4-byte subframes with 24-bit resolution?
I have this topology working on my Windows XP 32-bit machine, and MacOS. 
However, for some reason Windows 7 is giving me mixed results.  My record 
stream shows up in Sound, but my playback stream does not.  The only thing I'm 
doing that's a bit not standard is 4B subframe.  I'm planning to try with 3B 
subframe in the next couple of days or so, just to see if that works.
First, I'd like to confirm whether or not usbaudio.sys in Windows 7 support 
this topology or not?
Many thanks,

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