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Hierarchical Multi-Stream Posterior Based Speech Recognition System
Published on Feb 25, 20073698 Views
In this paper, we present initial results towards boosting posterior based speech recognition systems by estimating more informative posteriors using multiple streams of features and taking into accou
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Chapter list
Hierarchical Multi-Stream Posterior Based Speech Recognition System00:00
Main idea (1)00:19
Main idea (2)01:19
Posterior based speech recognition systems02:40
Prior knowledge, Contextual information03:56
“Gamma” posterior estimation04:34
“Gamma” posterior estimation05:31
Example: introducing prior knowledge05:54
Multi-stream “gamma” posterior 07:07
Multi-stream “gamma” posterior estimation08:13
Experiments with multi-stream posteriors08:46
Feature streams09:09
Hierarchical multi-stream posterior based speech recognition system09:39
Results11:26
Conclusions 12:52