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- W3008371301 abstract "Modern mispronunciation detection and diagnosis systems have seen significant gains in accuracy due to the introduction of deep learning. However, these systems have not been evaluated for the ability to be run in real-time, an important factor in applications that provide rapid feedback. In particular, the state-of-the-art uses bi-directional recurrent networks, where a uni-directional network may be more appropriate. Teacher-student learning is a natural approach to use to improve a uni-directional model, but when using a CTC objective, this is limited by poor alignment of outputs to evidence. We address this limitation by trying two loss terms for improving the alignments of our models. One loss is an “alignment loss” term that encourages outputs only when features do not resemble silence. The other loss term uses a uni-directional model as teacher model to align the bi-directional model. Our proposed model uses these aligned bi-directional models as teacher models. Experiments on the CSLU kids' corpus show that these changes decrease the latency of the outputs, and improve the detection rates, with a trade-off between these goals." @default.
- W3008371301 created "2020-03-06" @default.
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- W3008371301 date "2019-12-01" @default.
- W3008371301 modified "2023-10-16" @default.
- W3008371301 title "Towards Real-Time Mispronunciation Detection in Kids' Speech" @default.
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- W3008371301 doi "https://doi.org/10.1109/asru46091.2019.9003863" @default.
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