The left column corresponds to Biped's known BVH joint names. The column on the right corresponds to the custom joint names stored in a specific BVH file. There should be an entry for every custom BVH joint name in the BVH file. For completeness, all BVH joints can be listed and correlated to internal Biped names, even if the names are identical. In creating a BVH file that can be read into Character Studio Biped and displayed correctly, it is critical that the effective neutral pose of the BVH match Biped's neutral pose.
Legs are together and straight at the knees.
When all joint rotation values are set to zero for the first frame of the BVH file, the results displayed at frame zero in Biped, after import, should match the default position of the Biped exactly.