期刊名称：International Journal on Computer Science and Engineering
印刷版ISSN：2229-5631
电子版ISSN：0975-3397
出版年度：2010
卷号：2
期号：6
页码：2009-2014
出版社：Engg Journals Publications
摘要：Hearing impaired can be classified into people who were affected by birth and those who developed the problem at a later stage. The second category knows how to speak but cannot hear them. They encounter embarrassment by not adjusting their speech levels to their surroundings. In this paper the development of a system helps them to adjust their speech volume to the surrounding taking into consideration the ambient noise. It is achieved by using VAD (Voice Activity Detector) and spectral estimation for the speech spectrum. The system proposed will generate pulses which tell the user to raise or lower the volume.
关键词：Signal Processing; Speech Processing; Speech Enhancement; Hearing aids; Auditory System
