Speech Intelligibility Enhancement Using Distortion Control

Yu Xiang Yang; Jian Fen Ma

doi:10.4028/www.scientific.net/AMR.912-914.1391

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 912-914Speech Intelligibility Enhancement Using...

Speech Intelligibility Enhancement Using Distortion Control

Abstract:

In order to improve the intelligibility of the noisy speech, a novel speech enhancement algorithm using distortion control is proposed. The reason why current speech enhancement algorithm cannot improve speech intelligibility is that these algorithms aim to minimize the overall distortion of the enhanced speech. However, different speech distortions make different contributions to the speech intelligibility. The distortion in excess of 6.02dB has the most detrimental effects on speech intelligibility. In the process of noise reduction, the type of speech distortion can be determined by signal distortion ratio. The distortion in excess of 6.02dB can be properly controlled via tuning the gain function of the speech enhancement algorithm. The experiment results show that the proposed algorithm can improve the intelligibility of the noisy speech considerably.

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Periodical:

Advanced Materials Research (Volumes 912-914)

Pages:

1391-1394

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.912-914.1391

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Online since:

April 2014

Authors:

Yu Xiang Yang*, Jian Fen Ma

Keywords:

Distortion Control, Spectral Subtraction, Speech Distortion, Speech Enhancement, Speech Intelligibility

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