Data selection for speech recognition

Yi Wu,Rong Zhang,Alexander I. Rudnicky

Published 2007 in Automatic Speech Recognition & Understanding

ABSTRACT

This paper presents a strategy for efficiently selecting informative data from large corpora of transcribed speech. We propose to choose data uniformly according to the distribution of some target speech unit (phoneme, word, character, etc). In our experiment, in contrast to the common belief that "there is no data like more data", we found it possible to select a highly informative subset of data that produces recognition performance comparable to a system that makes use of a much larger amount of data. At the same time, our selection process is efficient and fast.

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