So all we need to do is to create a ShortMessageEvent and send it to the MIDI Receiver that encapsulates the selected MIDI output port.

我们需要做的就是创建ShortMessage Event并且将其发送给MIDI接收器，该接收器封装了所选的MIDI输出端口。

youdao

And send it to the MIDI Receiver that encapsulates the selected MIDI output port.

并且将其发送给MIDI接收器，该接收器封装了所选的MIDI输出端口。

youdao

Play your MIDI instrument straight into GarageBand or other MIDI-capable apps, or download MIDI Controller apps to use the MIDI out port and your touchscreen in performance, as a MIDI controller.

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There's also the MIDI-out port -- if you have a synth handy, you can play a MIDI track -- and as far as plucking is concerned, there are six identical heavy-gauge strings on the body.

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Some users have reported the ability to connect other devices to the port such as a MIDI keyboard but as far as Apple is concerned only cameras are supported.

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