This invention relates to an improved method and apparatus for speaker recognition. Specifically, content having a hierarchical format may be received in a content pane. The wedge plate has a pair of outwardly facing tapered ring portions for mating engagement with the wedge carrier inwardly facing tapered rings, a plurality of inner ramp portions with respective tapered inner surfaces, and a radially flexible middle portion connecting the outwardly tapered ring portions and plurality of inner ramp portions.