NDLI: Enhancement of electrolarynx speech based on perceptual weighting

Content Provider	IEEE Xplore Digital Library
Author	Ya Bai MingXi Wan SuPin Wang
Copyright Year	2012
Description	Author affiliation: Dept. of Biomed. Eng., Xi'an Jiaotong Univ., Xi'an, China (Ya Bai; MingXi Wan; SuPin Wang)
Abstract	The electrolarynx plays an important role in phonation for the laryngectomees, however, the resulting speech is of less intelligibility and poor audibility since the present of a steady and colored additive noise. This paper, therefore, investigates the problem of the electrolarynx speech enhancement by taking into account the frequency-domain masking properties of the human auditory system and reduces the perceptual effect of the residual noise. Considering the particular characteristics of electrolarynx speech, the perceptual weighting technique is developed and incorporated into the traditional spectral subtraction algorithm to shape the residual noise and make it inaudible. The results suggest that the background noise can be reduced efficiently while the distortion of electrolarynx speech remains acceptable, the enhanced speech also sounds more pleasant to human listeners, suggesting that the proposed algorithm achieved a better performances of noise reduction over other subtractive-type algorithms.
Starting Page	524
Ending Page	527
File Size	339965
Page Count	4
File Format	PDF
ISBN	9781467311830
e-ISBN	9781467311847
DOI	10.1109/BMEI.2012.6512892
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	electrolarynx perceptual weighting spectral subtraction algorithm colored noise
Content Type	Text
Resource Type	Article

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