[wdmaudiodev] Re: Windows usbaudio.sys architecture question

  • From: Tim Roberts <timr@xxxxxxxxx>
  • To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Mon, 10 Sep 2012 10:26:28 -0700

Bartosik Lukasz-ALB045 wrote:
> Hello,
> We are developing USB audio device which will use generic usbaudio.sys
> driver provided by Windows 7.
> The device’s USB descriptors define 5 input mono terminals (2
> headsets, 1 microphone, 2 lines in) which use one isochronous IN USB
> endpoint to transport audio data from the device to Windows OS.

Your description is a little bit vague.  Do you mean you have one audio
control interface, one audio streaming interface, and one isochronous
endpoint, but your AC interface described 5 input terminals?  Do you
also have 5 output terminals, or is there just one, mapping to the one
AS interface?

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

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