Algorithm Research & Explore
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App. Res. of Comp. Printed Article
Vol. 39, 2022 No. 3
699-703

TCN-Transformer-CTC for end-to-end speech recognition

Xie Xukang
Chen Ge
Sun Jun
Chen Qidong
School of Artificial Intelligence & Computer Science, Jiangnan University, Wuxi Jiangsu 214122, China
DOI: 10.19734/j.issn.1001-3695.2021.08.0323

Abstract

Recently, the end-to-end automatic speech recognition system based on Transformer has been widely popularized, but the multi-head self-attention mechanism in Transformer is not sensitive to the position information of the input sequence, and its flexible alignment has poor generalization performance in the face of noisy speech. To solve the above problems, firstly, this paper proposed to use TCN to enhance the capture of location information by neural network model. Secondly, on the basis of the above, it proposed the TCN-Transformer-CTC model by fusing CTC. Without using any language model, the experimental results on AISHELL-1, an open source speech database of Mandarin Chinese, show that the word error rate of TCN-Transformer-CTC is relatively reduced by 10.91% compared with Transformer, and the final word error rate of the model is reduced to 5.31% which verifies that the proposed model has a certain degree of advancement.

Foundation Support

国家自然科学基金面上项目(61672263)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2021.08.0323
Publish at: Application Research of Computers Printed Article, Vol. 39, 2022 No. 3
Section: Algorithm Research & Explore
Pages: 699-703
Serial Number: 1001-3695(2022)03-009-0699-05

Publish History

[2021-10-29] Accepted Paper
[2022-03-05] Printed Article

Cite This Article

谢旭康, 陈戈, 孙俊, 等. TCN-Transformer-CTC的端到端语音识别 [J]. 计算机应用研究, 2022, 39 (3): 699-703. (Xie Xukang, Chen Ge, Sun Jun, et al. TCN-Transformer-CTC for end-to-end speech recognition [J]. Application Research of Computers, 2022, 39 (3): 699-703. )

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  • Application Research of Computers Monthly Journal
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    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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