-                       .TotalLength              = (sizeof(USB_AudioInterface_AC_t) +\r
-                                                    sizeof(USB_AudioInputTerminal_t) +\r
-                                                    sizeof(USB_AudioOutputTerminal_t)),\r
+                       .TotalLength              = (sizeof(USB_Audio_Interface_AC_t) +\r
+                                                    sizeof(USB_Audio_InputTerminal_t) +\r
+                                                    sizeof(USB_Audio_OutputTerminal_t)),\r