

Make sure none of the Drift Correction checkboxes are selected. If all of the devices in the aggregate device are synchronized through hardware, click the Clock Source pop-up menu, then choose the hardware synchronization’s clock master. Select the Drift Correction checkbox for each device that isn’t synchronized through hardware. If some of the devices in the aggregate device are synchronized through hardware, click the Clock Source pop-up menu, then choose the hardware synchronization’s clock master. Select the Drift Correction checkbox for each device. If all of the devices in the aggregate device aren’t synchronized through hardware, click the Clock Source pop-up menu, then choose the device with the most reliable clock. In the Audio MIDI Setup app on your Mac, select the aggregate device in the list. If the devices in your aggregate device aren’t synchronized using hardware, you need to enable drift correction, also known as resampling, to compensate for drift in the data between devices.
