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- W4385474051 abstract "In end-to-end automatic speech recognition system, one of the difficulties for language expansion is the limited paired speech and text training data. In this paper, we propose a novel method to generate augmented samples with unpaired speech feature segments and text data for model pre-training, which has the advantage of low cost without using additional speech data. When mixing 20,000 hours augmented speech data generated by our method with 12,500 hours original transcribed speech data for Italian Transformer transducer model pre-training, we achieve 8.7% relative word error rate reduction. The pre-trained model achieves similar performance as the model pre-trained with multilingual transcribed 75,000 hours raw speech data. When merging the augmented speech data with the multilingual data to pre-train a new model, we achieve even more relative word error rate reduction of 12.2% over the baseline, which further verifies the effectiveness of our method for speech data augmentation." @default.
- W4385474051 created "2023-08-02" @default.
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- W4385474051 date "2023-07-30" @default.
- W4385474051 modified "2023-09-23" @default.
- W4385474051 title "Pre-training End-to-end ASR Models with Augmented Speech Samples Queried by Text" @default.
- W4385474051 doi "https://doi.org/10.48550/arxiv.2307.16332" @default.
- W4385474051 hasPublicationYear "2023" @default.
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