Title
Towards Fully Bayesian Speaker Recognition: Integrating Out The Between-Speaker Covariance
Abstract
We propose a variational Bayes solution to integrate out the model parameters in a generative i-vector speaker recognizer. The existing state-of-the-art in generative i-vector modelling plugs in fixed maximum-likelihood point-estimates of model parameters. This recipe, may suffer from over-fitting of especially the between-speaker covariance. We show how to integrate out the between-speaker covariance and demonstrate dramatic improvements on NIST SRE 2010.
Year
Venue
Keywords
2011
12TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2011 (INTERSPEECH 2011), VOLS 1-5
speaker recognition, i-vectors, variational Bayes
Field
DocType
Citations 
Pattern recognition,Computer science,Speech recognition,Speaker recognition,NIST,Artificial intelligence,Generative grammar,Machine learning,Bayes' theorem,Bayesian probability,Covariance
Conference
0
PageRank 
References 
Authors
0.34
1
2
Name
Order
Citations
PageRank
Jesús A. Villalba1574.55
Niko Brümmer259544.01