Feature diversity for emotion, language and speaker verification

S Dey, R Rajan, R Padmanabhan… - … national conference on …, 2011 - ieeexplore.ieee.org
S Dey, R Rajan, R Padmanabhan, HA Murthy
2011 national conference on communications (NCC), 2011ieeexplore.ieee.org
In this paper we describe the utilisation of the diversity of different feature representations for
speaker, emotion and language verification. The underlying principle behind the method is
that some features are better at discriminating some classes and other features for other
classes. Studies are done on four features and their combinations. An information theoretic
procedure is described which can be used to determine the feature most suitable for a given
class. Based on this, we propose the method of feature-switching, which uses different …
In this paper we describe the utilisation of the diversity of different feature representations for speaker, emotion and language verification. The underlying principle behind the method is that some features are better at discriminating some classes and other features for other classes. Studies are done on four features and their combinations. An information theoretic procedure is described which can be used to determine the feature most suitable for a given class. Based on this, we propose the method of feature-switching, which uses different features for verifying different classes. Experiments show that feature-switching improves the accuracy for all three tasks.
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