Study of optical-based speech acquisition system using vibration signals from speakers' medical masks

Yu Min Lin, Ji Yan Han, Wei Zhong Zheng, Yi Chieh Lin, Cheng Hung Lin, Ying Hui Lai*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

1 引文 斯高帕斯(Scopus)

摘要

Medical masks have become necessary of late because of the COVID-19 outbreak; however, they tend to attenuate the energy of speech signals and affect speech quality. Therefore, this study proposes an optical-based microphone approach to obtain speech signals from speakers' medical masks. Experimental results showed that the optical-based microphone approach achieved better performance (85.61%) than the two baseline approaches, namely, omnidirectional (24.17%) and directional microphones (31.65%), in the case of long-distance speech and background noise. The results suggest that the optical-based microphone method is a promising approach for acquiring speech from a medical mask.

原文英語
文章編號055202
期刊JASA Express Letters
2
發行號5
DOIs
出版狀態已發佈 - 2022 5月 1

ASJC Scopus subject areas

  • 聲學與超音波
  • 音樂
  • 藝術與人文(雜項)

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