N a complete set of hi-fi sound equipment designed as a single unit that is more compact than the standard equipment 迷迪系统
Meta commands were added to support MIDI files and System exclusive commands were provided for vendors to add features that were implemented by their hardware.
需要增加 Meta 命令来支持 MIDI 文件，并提供一些系统高级命令，增加厂商的特性，这些特性由他们的硬件系统实现。
Remember that the MidiOut client has only subscribed to MIDI short messages and a special closing event so we can ignore other MIDI events such as Meta or System-Exclusive.
记住 MidiOut 客户端只订阅了 MIDI 短消息和特别的结束事件，因此可以忽略其他的 MIDI 事件，例如 Meta 或者 System-Exclusive。
This scheme is used successfully in the remote control system of a MIDI music learning machine.
该方案已被成功地应用于MIDI音乐学习机的遥控系统。
应用推荐