摘要
本文设计了一种具有48个按键的MIDI电子琴,该电子琴的键盘弹奏信息以及通道、音色信息经CPU处理后产生相应的MIDI数据流,由串口发送给通用MIDI音源模块,经功率放大后推动扬声器发声。该电子琴支持单音和复音弹奏,最多支持复音数为16个,有128种音色可供选择,结构简单,具有可靠的功能和优美的音色。
This paper designs a midi electronic organ with 48 keys. It sends midi messages, information of channels or timbre during play. Those information will be transmitted to MIDI module though RS232 with baud rate at 31.25 kB/s after being treated by CPU, and phonates in the loudspeaker. This midi electronic organ can not only be one-key played but also be multi-key played. The user can set channel and timbre freely in this system. The design not only has simple structure and dependable function, but also is applied to MIDI music generator.
出处
《电子测量技术》
2008年第6期174-176,共3页
Electronic Measurement Technology
关键词
电子琴
MIDI
单片机
electronic organ
MIDI
single chip
