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总览 评价 于俊 , 王明英 , 周昊乐 , 李柏年 ( ; ) 摘要: 本文结合时域信号中短时能量和过零率提出了一种快速的语音端点检测方法,我们通过设置和综合使用两个门限电平来得到语音信号的端点,并且原理简单,实时性和精度比较高,因此具有广泛的应用。本文
于俊, 王明英, 周昊乐, 李柏年
(
; )
摘要:
本文结合时域信号中短时能量和过零率提出了一种快速的语音端点检测方法,我们通过设置和综合使用两个门限电平来得到语音信号的端点,并且原理简单,实时性和精度比较高,因此具有广泛的应用。本文首先阐述了检测方法的原理,其次利用Matlab工具进行仿真,然后对实现结果进行评价和比较。实验结果表明,检测的效果体现了本文方法的优越性。最后,文章还对现阶段的语音端点检测的研究予以展望。
关键词:
端点检测,短时能量,过零率,门限电平
YU Jun, WANG Mingying, ZHOU Haole, LI Bonian
(
; )
Abstract:
This paper presents a fast speech endpoint detectionmethod, which combines sho-\rt-time energy and zero-crossing counts inthe time domain signal,It is widely used because it is combined withtwo threshold levels to get the endpoint of speech signal, and it issimple in theory and has high real-time performance and accuracy. Inthis paper, the principle of the fir-\st set out, followed by Matlabtools for simulation, and then to evaluate and compare the resu-\lts,the experimental results show that the detection effect is better thanohers. At last, the research of speech endpoint detection is alsodiscussed in this paper.
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