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Recognizing Broadcast Conversational (BC) speech data is a difficult task, which can be regarded as one of the major challenges beyond the recognition of Broadcast News (BN).
The problem of estimating the parameters of an n-gram language model is a typical problem of estimating small probabilities. So far, two methods have been proposed and used to handle this problem: 1. the empirical Bayes method resulting in the Turing-Good estimates. Theses estimates do not have any constraints and tend to be very noisy. 2. discounting models like absolute (or linear) discounting....
We present a new technique that employs support vector machines and Gaussian mixture densities to create a generative/discriminative joint classifier. In the past, several approaches to fuse the advantages of generative and discriminative approaches were presented, often leading to improved robustness and recognition accuracy. The presented method directly fuses both approaches, effectively allowing...
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