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- W2891480213 abstract "In this paper, we focus on automatic recognition of telephone conversational speech in scenario, when no amount of genuine telephone recordings is available for training. The training set contains only data from a significantly different domain, such as recording of broadcast news. Significant mismatch arises between training and test conditions, which leads to deteriorated performance of the resulting recognition system. We aim to diminish this mismatch using the data augmentation. Speech compression and narrow-band spectrum are significant features of the telephone speech. We apply these effects to the training dataset artificially, in order to make it more similar to the desired test conditions. Using such augmented dataset, we subsequently train an acoustic model. Our experiments show that the augmented models achieve accuracy close to the results of a model trained on genuine telephone data. Moreover, when the augmentation is applied to the real-world telephone data, further accuracy gains are achieved." @default.
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- W2891480213 date "2018-01-01" @default.
- W2891480213 modified "2023-09-24" @default.
- W2891480213 title "Robust Recognition of Conversational Telephone Speech via Multi-condition Training and Data Augmentation" @default.
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- W2891480213 doi "https://doi.org/10.1007/978-3-030-00794-2_35" @default.
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