44 search results - page 3 / 9 » Comparison of voice activity detection algorithms for VoIP |
ICASSP
2010
IEEE
13 years 6 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...
ICASSP
2010
IEEE
13 years 4 months ago
2010
IEEE
In this paper, we propose an energy-based technique to track the power of multiple simultaneous speakers using an ad hoc microphone array with unknown microphone positions. By con...
WISEC
2010
ACM
14 years 1 months ago
2010
ACM
The problem of localizing in-band wormhole tunnels in MANETs is considered. In an in-band wormhole attack, colluding attackers use a covert tunnel to create the illusion that two ...
CSL
2010
Springer
13 years 4 months ago
2010
Springer
The voice activity detectors (VADs) based on statistical models have shown impressive performances especially when fairly precise statistical models are employed. Moreover, the ac...
ICASSP
2008
IEEE
14 years 21 days 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 ...