1. An apparatus for linking an original representation including text and a realization of the representation in non-text form, comprising: a processor; a structural analyzer for automatically separating a plain representation and structural information pertaining to structure of the contents of said text from the original representation; a temporal analyzer for automatically generating a time-stamped first representation from the realization; a time aligner for creating a time-stamped aligned representation by aligning the plain representation and the time-stamped first representation; a link generator for creating hyper links between elements of the original representation and the realization by combining the aligned representation and the structural information; a first converter for converting the original representation from any native data format to an operating data format for representations, and a second converter for converting the realization from any native data format to an operating data format for realizations, wherein the first converter is connected to the structural analyzer, and the second converter is connected to the temporal analyzer, wherein the hyper links can be used for performing search operations in audio data, wherein the original representation is a descriptive mark-up document and the realization is an audio stream, and wherein the audio stream includes an audio recording and/or the audio track of a video recording.