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Journal of Combinatorial Optimization

Erschienen in:

21.09.2018

Speech corpora subset selection based on time-continuous utterances features

verfasst von: Luobing Dong, Qiumin Guo, Weili Wu

Erschienen in: Journal of Combinatorial Optimization | Ausgabe 4/2019

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Abstract

An extremely large corpus with rich acoustic properties is very useful for training new speech recognition and semantic analysis models. However, it also brings some troubles, because the complexity of the acoustic model training usually depends on the size of the corpora. In this paper, we propose a corpora subset selection method considering data contributions from time-continuous utterances and multi-label constraints that are not limited to single-scale metrics. Our goal is to extract a sufficiently rich subset from large corpora under certain meaningful constraints. In addition, taking into account the uniform coverage of the target subset and its internal property, we design a constrained subset selection algorithm. Specifically, a fast subset selection algorithm is designed by introducing n-grams models. Experiments are implemented based on very large real speech corpora database and validate the effectiveness of our method.

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Titel: Speech corpora subset selection based on time-continuous utterances features
verfasst von: Luobing Dong
Qiumin Guo
Weili Wu
Publikationsdatum: 21.09.2018
Verlag: Springer US
Erschienen in: Journal of Combinatorial Optimization / Ausgabe 4/2019
Print ISSN: 1382-6905
Elektronische ISSN: 1573-2886
DOI: https://doi.org/10.1007/s10878-018-0350-2

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