声音基频检测技术的研究与应用

Audio Engineering(2010)

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Abstract
常用的声音信号基音检测技术包括软件和硬件两部分内容,通过对信号采取稳幅、多重滤波、去除异常值等操作,使自相关函数基音检测法得到了改进;设计了一种有效零点检测法,使基于波形峰值检测的硬件基音检测法得以改进;介绍了基音检测技术的实际应用,为一种以微处理器为核心的音准指示仪的组成原理及主要技术指标。
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Key words
microprocessor,sound accurate meter,fundamental frequency examination
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