This article introduces the principle of three-level center clipping autocorrelation analysis method and the difficulties in applying this method to detect the sound accuracy of piano keys.
论文介绍三电平中心削波自关分析法原理、这种方法应用于钢琴音准检测遇到的困难及改进的方法。
Center clipping is a method, which used to wipe off the effect of track, in order to acquire a more exact pitch period.
中心削波法是用来去除声道影响，以获得更准确的基音周期的一种方法。
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