Speech enhancement using spectral subtraction algorithm with over-subtraction and reservation factors adapted by harmonic properties

Ching Ta Lu, Kun Fu Tseng, Yung Yue Chen, Ling Ling Wang, Chung Lin Lei

研究成果: Conference contribution

4 引文 斯高帕斯(Scopus)

摘要

Spectral subtraction algorithms are widely used in speech enhancement. However the quality of enhanced speech is not satisfied. This study proposes using the harmonic properties of vowels to define the values of over-subtraction and spectral reservation factors by using the sigmoid function. Experimental results show that the proposed method can significantly improve the performance of a spectral-subtraction method by more reduction on musical residual noise and more reservation on consonants and weak vowels.

原文English
主出版物標題2016 International Conference on Applied System Innovation, IEEE ICASI 2016
發行者Institute of Electrical and Electronics Engineers Inc.
ISBN(電子)9781467398886
DOIs
出版狀態Published - 2016 八月 10
事件2016 International Conference on Applied System Innovation, IEEE ICASI 2016 - Ginowan City Okinawa, Japan
持續時間: 2016 五月 282016 六月 1

出版系列

名字2016 International Conference on Applied System Innovation, IEEE ICASI 2016

Other

Other2016 International Conference on Applied System Innovation, IEEE ICASI 2016
國家Japan
城市Ginowan City Okinawa
期間16-05-2816-06-01

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Computer Science Applications
  • Control and Systems Engineering
  • Social Sciences (miscellaneous)
  • Business, Management and Accounting (miscellaneous)
  • Electrical and Electronic Engineering
  • Control and Optimization

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