Here is a tutorial:http://web.cs.du.edu/~leut/3821/blenderExportNotes.htmlAnd here is the download page for all the releases of the DTS Exporter:http://projects.blender.org/frs/?group_id=95&release_id=342
Extract all the files to:C:\Users\[user]\AppData\Roaming\Blender Foundation\Blender\.blender\scriptsNow open Blender and it should show up in the File>Export menu.Here is a good video tutorial on how to use the exporter:http://www.youtube.com/watch?v=E3qeXCAYC0E