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语音信号处理是研究用数字信号处理技术和语音学知识对语音信号进行处理的新兴的学科,是目前发展最为迅速的信息科学研究领域的核心技术之一。通过语音传递信息是人类最重要、最有效、最常用和最方便的交换信息形式。本文首先介绍了语音信号的特性,进而阐述了滤波器设计方法以及去噪后语音信号的增强。
Speech signal processing is an emerging discipline that studies the processing of speech signals using digital signal processing and phonetic knowledge. It is one of the core technologies in the field of information science which is the fastest growing one at present. Delivering information by voice is the most important, effective, common, and convenient form of exchange of information for human beings. This paper first introduces the characteristics of the voice signal, and then describes the filter design method and the denoised speech signal enhancement.