Infinite Models for Speaker Clustering

In this paper we propose the use of infinite models for the clustering of speakers. Speaker segmentation is obtained trough a Dirichlet Process Mixture (DPM) model which can be interpreted as a flexible model with an infinite a priori number of components. Learning is based on a Variational Bayesian approximation of the infinite sequence. DPM model is compared with fixed prior systems learned by ML/BIC, MAP/BIC and a Variational Bayesian method. Experiments are run on a speaker clustering task on the NIST-96 Broadcast News database.


Year:
2006
Publisher:
IDIAP
Keywords:
Note:
Published in ICLSP 2006
Laboratories:




 Record created 2006-06-08, last modified 2018-03-17

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