基于红外距离传感器的特雷门琴设计

特雷门琴是一种音效极佳的乐器,其传统的模拟电路设计十分复杂,价格高昂。采用数字化的处理方式设计特雷门琴,该系统由单片机、数模转换模块、红外测距模块、音频播放及数字音频处理模块等组成,造价低廉,易于上手操作,可以发出各种音色不同音调的声音。该设计用较低成本制作特雷门琴这一有趣的乐器,具有很大的创新性和实用性。

Theremin is a musical instrument with excellent sound effect, but its traditional analog circuit design is very complicated and of high cost. This paper designs a new type of Theremin with a digital approach, which is comprised of a microcontroller, a digital to analog conversion module, an infrared ranging module, an audio player and digital audio processing modules and other components. This new type of Theremin is of low cost and easy to play, and makes all kinds of sounds of different tone of voice. This Theremin design with low cost can produce interesting musical instruments, and has a great deal of innovative and practical features.

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