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Exemplar based recognition systems are characterized by the fact that, instead of abstracting large amounts of data into compact models, they store the observed data enriched with some annotations and infer on-the-fly from the data by finding those exemplars that resemble the input speech best. One advantage of exemplar based systems is that next to deriving what the current phone or word is, one...
In this paper we present a number of improvements that were recently made to the template based speech recognition system developed at ESAT. Combining these improvements resulted in a decrease in word error rate from 9.6% to 8.2% on the Nov92, 20k trigram, Wall Street Journal task. The improvements are along different lines. Apart from the time warping already applied within the DTW, it was found...
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