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. ****************** 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/