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Text-Prompted Speaker Verification Experiments with Phoneme Specific MLP's
Publicatietype: In proceedings
Citatie: petr98:icassp
Boektitel: IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 98), Seattle, USA
Jaar: 1998
Pagina's: 777-780
URL: http://diuf.unifr.ch/people/he...
Samenvatting: The aims of the study described in this paper are (1) to assess the relative speaker discriminant properties of phonemes and (2) to investigate the importance of the temporal frame-to-frame information for speaker modelling in the framework of a text-prompted speaker verification system using Hidden Markov Models (HMMs) and Multi Layer Perceptrons (MLPs). It is khown that, with similar experimental conditions, nasals, fricatives and vowels convey more speaker specific informations than plosives and liquids. Regarding the influence of the frame-to-frame temporal information, significant improvements are reported from the inclusion of several acoustic frames at the input of the MLPs. Results tend also to show that each phoneme has its optimal MLP context size giving the best Equal Error Rate (EER).
Trefwoorden: Biometrics, MLP, Speaker Verification
Auteurs Petrovska, Dijana
Hennebert, Jean
Toegevoegd door: []
Totaalscore: 0
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