Use roles to export media stems
When you export your work, you can use roles to define the details of your output media files. This process is often used when delivering files to match broadcast specifications or when handing off media stems for mixing or post-production.
You can export roles in a combined, multitrack QuickTime file, or as separate audio or video files. During the export process you can assign mono, stereo, or surround output for your audio channels.
For more information, see Share roles as files.