It all explains very simple in item 8 and 9 that EDIG is in upper hand position.In worse case senario they give away only one particular DRM to the WENCOR.

1. 8. The 2002 Agreement expired by its terms on October 22, 2005, including any and all restrictions, if any, on e.Digital’s ability to develop, manufacture, market and sell in-flight entertainment devices, whether or not based on or derived from e.Digital’s prior designs in the digEplayer.
2. 9. Although e.Digital granted to digEcor in the 2005 DRM an "exclusive license" to the "DRM technology" in the "aircraft industry," that license was limited by the DRM, as explained in the Addendum One thereto, to the adaptation of Random Block Encoding ("RBE") to the digEplayer.