[wdmaudiodev] Re: Audio AGC?

  • From: Tim Roberts <timr@xxxxxxxxx>
  • To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Wed, 19 Dec 2012 14:51:18 -0800

Matthew van Eerde wrote:
>
> What version of Windows are you running on?
>
>  
>
> See the chart here:
> http://msdn.microsoft.com/en-us/library/windows/hardware/ff536251(v=vs.85).aspx
> <http://msdn.microsoft.com/en-us/library/windows/hardware/ff536251%28v=vs.85%29.aspx>
>

That's the key reference point I was missing -- enormous thanks for that.

I'm currently testing on Win 7, as is the client.  I do advertise myself
as a microphone, so the system is applying a +30dB boost.  So, am I
right in thinking I can solve my problem by supporting
KSPROPERTY_AUDIO_VOLUMELEVEL?

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

Other related posts: