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语音端点检测

于 2022-09-01 发布 文件大小:1.12 kB
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资源描述             本程序是将短时能量和短时过零率相结合,采用双门限判定法来检测语音端点。先为短时能量和短时过零率分别确定两个门限,一个是较低的门限数值较小,对信号变化明显,容易超过,另一个是比较大的门限,数值较大。低门限被超过未必是语音的开始,有可能是噪声引起的,高门限被超过并且在规定的语音时间段内超过低门限,则意味着语音的开始

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