Data Augmentation Technology for Dysarthria Assistive Systems

Wei Chung Chu, Ying Hsiu Hung, Wei Zhong Zheng, Ying Hui Lai

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Voice-driven communication aids are one of the methods commonly used by patients with dysarthria. However, this type of assistive devices demands a large amount of voice data from patients to increase the effectiveness. In the meantime, this will sink patients into an overwhelming recording burden. Due to those difficulties, this research proposes a voice augmentation system to conquer the aforementioned concern. Furthermore, the system can improve the recognition efficiency. The results of this research reveal that the proposed speech generator system for dysarthria can launch corpus to be more similarities to the patient's speech. Moreover, the recognition rate, in duplicate sentences, has been improved and promoted to the higher level. The word error rate can be reduced from 64.42% to 4.39% in the case of patients with Free-talk. According to these results, our proposed system can provide more reliable and helpful technique for the development of communication aids.

Original languageEnglish
Title of host publicationROCLING 2021 - Proceedings of the 33rd Conference on Computational Linguistics and Speech Processing
EditorsLung-Hao Lee, Chia-Hui Chang, Kuan-Yu Chen
PublisherThe Association for Computational Linguistics and Chinese Language Processing (ACLCLP)
Pages144-150
Number of pages7
ISBN (Electronic)9789869576949
StatePublished - 2021
Event33rd Conference on Computational Linguistics and Speech Processing, ROCLING 2021 - Taoyuan, Taiwan
Duration: 15 Oct 202116 Oct 2021

Publication series

NameROCLING 2021 - Proceedings of the 33rd Conference on Computational Linguistics and Speech Processing

Conference

Conference33rd Conference on Computational Linguistics and Speech Processing, ROCLING 2021
Country/TerritoryTaiwan
CityTaoyuan
Period15/10/2116/10/21

Keywords

  • Communication assistance system
  • Data augmentation
  • Deep learning
  • Dysarthria

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