Sixth International Conference on Spoken Language Processing
Presently, there are very few speaker recognition systems working in real-world applications. The reason is that the performance achieved by most of the techniques proposed in the literature dramatically drops for out-of-lab conditions. Realworld conditions raise new issues to be considered and a compromise between performance and feasibility must be achieved.
We studied the problem of how to increase the performance of a speaker authentifier system by combining the outputs of an utterance verifier and a speaker verifier (the former recognizes the actual verbal content of the speech, while the latter uses speaker voice by itself as a way of verifying the identity).
We have developed a speaker authentifier module suitable to be integrated in a real-world dialogue system. In this paper, we describe the main relevant aspects of this module. The rest of this paper is structured as follows. Section 1 introduces TelCorreo and its speaker authentication module. Section 2 explains the module design from the users' point of view, while section 3 presents TelCorreoDB: an experimental frame adequate for testing the speaker authentication technology used in TelCorreo. Section 4 presents the implementation details. Finally, some conclusions and guidelines for further work are included.
Bibliographic reference. Rodríguez_Liñares, Leandro / García_Mateo, Carmen (2000): "Application of speaker authentication technology to a telephone dialogue system", In ICSLP-2000, vol.2, 226-229.