5th European Conference on Speech Communication and Technology

Rhodes, Greece
September 22-25, 1997

Speaker Verification Based on Phonetic Decision Making

Jesper O. Olsen

Center for PersonKommunikation, Aalborg University, Aalborg Rst, Denmark

Speaker verification based on phone modelling is examined in this paper. Phone modelling is attractive, because different phonemes have different levels of usefulness for speaker recognition, and because phone modelling essentially makes a speaker verification algorithm text inde-pendent. The speaker verification system used here is based on a two stage approach, where speech recognition (segmentation) is separated from the actual speaker modelling. Hidden Markov Models are employed in the initial stage, whereas Radial Basis Function networks are used in the second for modelling speaker identity. The system is evaluated on a large realistic telephone database.

Full Paper

Bibliographic reference.  Olsen, Jesper O. (1997): "Speaker verification based on phonetic decision making", In EUROSPEECH-1997, 1375-1378.