A MIDI switcher allows switching between multiple devices, and eliminates the need to physically repatch cables.

MIDI 切换器允许在多个设备之间进行切换，并且不需要物理地更换电缆。

MIDI contains three types of commands.

MIDI包含三种命令。

Now, listen to the resulting MIDI file.

现在，聆听得到的MIDI文件。

Short commands are used to directly control MIDI devices.

一些简短的命令可以用于直接控制MIDI设备。

The MIDI output and input applications both look very similar.

MIDI输出和输入应用程序看上去是类似的。

JMusic has many other nice features in addition to MIDI functionality.

除了MIDI功能，jMusic还有许多其他好功能。

The example application USES a set of classes to represent published MIDI messages.

该应用程序实例使用一系列类来代表发布的MIDI消息。

In the example illustrated above, a partial topic space for MIDI commands is shown.

上面演示的实例显示了MIDI命令的一部分主题空间。

A MIDI command consists usually of 2 or 3 bytes and encodes a particular action.

MIDI命令通常由2或3个字节组成，并通过特殊的操作方式编码。

A string is generated to be output to the GUI; the MIDI event is then published.

生成字符串作为GUI的输出，然后发布MIDI事件。

Selecting a MIDI file enables the Play button which is used to start the sequence.

选择MIDI文件将会启动Play按钮，它是用来排序的。

The final wildcard character means all topics that start with Midi/Short/ are subscribed to.

最后的通配符表明所有以 Midi/Short/ 开始的主题都是需要订阅的。

The MIDI input application displays the messages it publishes from the attached controller.

MIDI输入应用程序显示了它从相连控制器发布的消息。

The selection box identifies the MIDI input or output devices available to the application.

选择框表明MIDI输入设备或输出可用于应用程序。

Finally, three example programs are described, a MIDI file player, a MIDI input, and MIDI output.

文章最后描述了三个程序实例，MIDI文件播放器，MIDI输入和MIDI输出。

I'll use code examples from Monk and short MIDI file examples created by Monk to illustrate my points.

我将用Monk的代码示例和短的MIDI文件示例说明我的观点。

When the application has been attached, it will publish the MIDI messages received from the controller.

连接到应用程序后，它会发布从控制器接收到的 MIDI 消息。

The MIDI output application displays the messages it receives and sends to the selected MIDI device.

MIDI输出应用程序显示了它接收到的和要发送给所选的MIDI设备的消息。

A MIDI file to play can be selected using the select button which displays a file selection dialog box.

可以使用Select按钮来选择要播放的MIDI文件，该按钮会弹出一个文件选择对话框。

A limitation of the current version of Monk is that it only USES conventional Western pitches, the 128 MIDI tones.

当前版本Monk的一个限制是它只使用常规西方音高：128 midi音调。

The MIDI messages are short, therefore additional overhead in terms of message size or API complexity isn't desirable.

MIDI 消息很短，因而根据消息大小和 API 复杂度，附加消息头不合适。

Each MIDI device has three connectors; MIDI in, MIDI Out and MIDI Thru that allow devices to be daisy-chained together.

每个MIDI设备有三个连接器：MIDI In、MIDI Out和MIDI Thru，它们能将设备呈菊花链状连接起来。

The Subscribe button on the MIDI output application registers a subscription for all MIDI short messages with the broker.

MIDI 输出应用程序上的 Subscribe 按钮使用代理为所有 MIDI 短消息注册了订阅。

This group works on enhancements and documentation for the MMA's XML Specification of MIDI events, names, and device features.

该小组负责为MMA的 XML标准的MIDI时间，名称和设备特征制作文件。

Musical Instrument Digital interface, or MIDI, is a communication interface provided on virtually every synthesizer made today.

音乐设备数字接口，或称MIDI，实际上是为目前制造的各种合成器提供的一种通信接口。

On the MIDI input application, the Attach and Detach buttons connect and disconnect the application from the selected MIDI device.

在 MIDI 输入应用程序中，Attach 和 Detach 按钮负责连接或断开所选 MIDI 设备的应用程序。

A MIDI file player application ACTS as an information provider by sequencing a MIDI file and publishing the commands to the broker.

MIDI文件播放器应用程序充当了一个信息提供者，它对MIDI文件进行排序，并将命令发布给代理。