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  • 标题:A Novel Approach to Speech Enhancement Based on Deep Neural Networks
  • 本地全文:下载
  • 作者:SALEHI, M. ; MIRZAKUCHAKI, S.
  • 期刊名称:Advances in Electrical and Computer Engineering
  • 印刷版ISSN:1582-7445
  • 电子版ISSN:1844-7600
  • 出版年度:2022
  • 卷号:22
  • 期号:2
  • 页码:71-78
  • DOI:10.4316/AECE.2022.02009
  • 语种:English
  • 出版社:Universitatea "Stefan cel Mare" Suceava
  • 摘要:Minimum mean-square error (MMSE) approaches have been shown to achieve state-of-the-art performance on the task of speech enhancement. However, MMSE approaches lack the ability to accurately estimate non-stationary noise sources. In this paper, a long short-term memory fully convolutional network (LSTM-FCN) is utilized to accurately estimate a priori signal-to-noise ratio (SNR) since the speech enhancement performance of an MMSE approach improves with the accuracy of the used a priori SNR estimator. The proposed MMSE approach makes no assumptions about the characteristics of the noise or the speech. MMSE approaches that utilize the LSTM-FCN estimator are evaluated using the mean opinion score of the perceptual evaluation of speech quality (PESQ) and the short-time objective intelligibility (STOI) measures of speech. The experimental investigation shows that the speech enhancement performance of an MMSE approach that utilizes LSTM-FCN estimator significantly increases.
  • 关键词:Index Terms—long short-term memory;machine learning; mean square error methods;recurrent neural networks;speech enhancement.
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