[wdmaudiodev] Re: Reg: USB Audio class 2.0

  • From: Tim Roberts <timr@xxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Wed, 18 Nov 2009 09:15:31 -0800

swarna jakka wrote:
> hello,
> is USB Audio class 2.0 can be used in USB 1.1 core.
> Are there any applications or products that use USB Audio Class 2.0 in
> USB 1.1

I'm not sure you are asking the right question, and the numbering is
certainly confusing.

USB Audio Class 2.0 is not currently supported in Windows at all. 
However, you can create an USB Audio Class 1.0 device that meets either
USB 1.1 or USB 2.0.  You can certainly have a high-speed device that
meets USB Audio Class 1.0 and works fine in Windows.

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


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