If you are using more than one input device and at least one of the devices is not selected as the default recording device in Windows Vista and the input device is listed in the third position or below in the Audition 3.0 Audio Hardware Setup panel, then Audition might not recognize that device as valid and you cannot record audio from the device.
The Audition 3.0 Windows Sound driver can not detect the presence of the input device in this configuration in the Windows Vista operating system.
Use the Audition 3.0 Windows Sound driver but move the input device to position 1 or position 2 in the list of devices.
Using the native ASIO driver for the device allows Audition 3.0 to effectively use and interact with the device. When a native ASIO device driver is not available, the devcie conflict can be avioded by moving the input device up into the primary or secondary positions in the Audition 3.0 Audio Hardware Setup panel or by setting the device as the default recording device in the Windows Vista Sound control panel.