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.