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本文介绍了采用单片机检测钢琴单键音高的方法，改变了传统的钢琴校音方法。具有使用方便、测量准确、易普及推广等特点。
This article describes the use of single-chip detection of piano one-touch pitch method, changing the traditional method of piano tuning. With easy to use, accurate measurement, easy to popularize and so on.