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为提高语音端点检测(VAD)在较低信噪比(10 dB)下的准确率,提出一种基于短时分形维数的改进算法。结合语音信号的特点,对2种常用的语音信号分形维数计算方法进行了比较和选择,同时采用动态跟随门限值实现语音端点的自适应检测。试验结果表明:对于信噪比6~10 dB的带噪语音,此方法可以实现整段语音的检测,而且具有一定的噪声鲁棒性,系统运行期间能够自适应调整门限值以适应环境噪声的变化,提高了VAD算法的准确率。这个是源码matlab。-In order to improve voice activi
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基于MATLAB的语音信号端点检测,短时能量分析,短时过零率,和GUI界面实现-aaaaa
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实现了语音信号的端点检测功能,基于matlab环境,是hmm语音识别的初步工作-Voice signal endpoint detection based on matlab environment, hmm speech recognition preliminary work
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基于matlab的几种语音信号端点检测方法-Several based on matlab voice signal endpoint detection method
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基于MATLAB编写的端点检测算法,主要用于语音信号的端点检测。-MATLAB prepared based endpoint detection algorithm, mainly used for endpoint detection of speech signals.
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使用matlab实现的基于短时能量和过零率的语音信号端点检测-The endpoint detection of speech signal based on short-time energy and zero crossing ratio using matlab
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