<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>S-transform (ST) is an effective time-frequency representation method with the advantages of short-time Fourier transform and wavelet transform. This paper utilizes the advantages of the power spectral subtraction method and the speech enhancement method to presents a novel speech enhancement algorithm based on discrete ST. Firstly, the speech in time domain is transformed by ST to joint time-frequency domain for spectral subtraction so that the clear speech spectrum can be obtained and then the inverse ST is performed to acquire the enhanced speech in time domain. Simulation experiment is done to verify the validity of the method. The experiment results show that the proposed method can effectively enhance the de-noising ability and improve the signal-to-noise ratio</p>
</abstract>

S-transform (ST) is an effective time-frequency representation method with the advantages of short-time Fourier transform and wavelet transform. This paper utilizes the advantages of the power spectral subtraction method and the speech enhancement method to presents a novel speech enhancement algorithm based on discrete ST. Firstly, the speech in time domain is transformed by ST to joint time-frequency domain for spectral subtraction so that the clear speech spectrum can be obtained and then the inverse ST is performed to acquire the enhanced speech in time domain. Simulation experiment is done to verify the validity of the method. The experiment results show that the proposed method can effectively enhance the de-noising ability and improve the signal-to-noise ratio

Discrete S-Transform Based Speech Enhancement

International Journal on Smart Sensing and Intelligent Systems

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Discrete S-Transform Based Speech Enhancement"}

S-transform (ST) is an effective time-frequency representation method with the advantages of short-time Fourier transform and wavelet transform. This paper...

Discrete S-Transform Based Speech Enhancement

Published Online: Dec 01, 2015

Page range: 2231 - 2246

Received: Aug 30, 2015

Accepted: Nov 15, 2015

DOI: https://doi.org/10.21307/ijssis-2017-851

Keywords
Discrete s-transform, time-frequency domain, speech enhancement

© 2015 Guo-hua Hu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Discrete S-Transform Based Speech Enhancement

Published Online: Dec 01, 2015

Page range: 2231 - 2246

Received: Aug 30, 2015

Accepted: Nov 15, 2015

DOI: https://doi.org/10.21307/ijssis-2017-851

KeywordsDiscrete s-transform, time-frequency domain, speech enhancement

© 2015 Guo-hua Hu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Discrete s-transform, time-frequency domain, speech enhancement