Select the timeline that contains the offline or missing Audio, sound effects and music in your AVID Project
Select Offline only
When the importing dialog appears, notice that AVID will give you the path of the file location when imported before they went offline.
Navigate to where the file is saved on the hard drive.
In the Batch Import window all the clips will be located for you and all that you need to do is change the Import
Target location to Your Hard Drive
The audio will import and relink with the clips and subclips as well as sequences that reference these files.