ICASSP
2010
IEEE
13 years 11 months ago
2010
IEEE
This paper presents the use of online Variational Bayes method for online Voice Activity Detection (VAD) in an unsupervised context. In conventional VAD, the final step often rel...
DSMML
2004
Springer
14 years 2 months ago
2004
Springer
We investigate theoretically some properties of variational Bayes approximations based on estimating the mixing coefficients of known densities. We show that, with probability 1 a...
ICASSP
2008
IEEE
14 years 5 months ago
2008
IEEE
This paper addresses the problem of Voice Active Detection (VAD) in noisy environments. We introduce Variational Bayes approach to EM for classification to replace the heuristic ...
KI
2009
Springer
14 years 5 months ago
2009
Springer
The article contributes a derivation of variational Bayes for a large class of topic models by generalising from the well-known model of latent Dirichcation. For an abstraction of ...