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Audio MIDI Setup User Guide

If you use MIDI devices or a MIDI interface connected to your Mac, you can use Audio MIDI Setup to describe the configuration of your MIDI devices. There’s a default configuration already created, but you can set up your own.

You can use this configuration information for apps that work with MIDI, such as sequencers, to control your MIDI devices.

Note: Make sure your MIDI devices are connected to your Mac. If you’re using an interface device, connect any other MIDI devices you’re using to the interface. Also check that any software provided by the manufacturer of the MIDI devices has been installed. For more information, see the documentation that came with your devices.

View a MIDI configuration

1. In the Audio MIDI Setup app on your Mac, choose Window > Show MIDI Studio.

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2. In the MIDI Studio window, click the Choose MIDI Configuration pop-up menu (it may show Default), then choose the configuration you want to view.

3. In the toolbar, click the following buttons to change how the configuration is shown:

   • Hierarchical View : Devices in the configuration are shown as icons. If a device isn’t connected, its icon is dimmed. To view information about a device, such as channel properties and ports, and to add or remove ports, double-click the device’s icon.

   • List View : Devices in the configuration are shown in a list, organized by type (such as Interface or External Device). If a device isn’t connected, it’s dimmed. To filter which devices are shown, click the Show pop-up menu, then choose an option (such as Online or Connected). To view information about a device, double-click the device. To view its ports, or to connect or disconnect devices, click the device’s disclosure triangle.

Create a MIDI configuration

1. In the Audio MIDI Setup app on your Mac, choose Window > Show MIDI Studio.

2. In the MIDI Studio window, click the Choose MIDI Configuration pop-up menu (it may show Default), then choose New Configuration.

3. Enter a name for the new configuration, then click OK.

4. To add a new external MIDI device, click the Add button in the MIDI Studio toolbar.

5. To set properties and add or remove ports for the MIDI device, double-click the device, or select it, then click the Device Info button in the toolbar.

6. In the Properties window, do any of the following:

   • Describe the device: Enter a name for the MIDI device; the name appears in apps you use with the device. If you know the manufacturer and model, you can enter those.

   • Change the device icon: Click the MIDI device’s icon to open the Icon Browser, select a different icon to represent the device, then click the new icon to close the Icon Browser.

   • Change the device color: Click the color well, select a different color to use for the MIDI device, then close the Colors window.

   • Set the device channels and other properties: Click Properties, then click the channels to use for transmitting and receiving audio. To deselect a channel, click it again. Also select whether to use the MIDI Beat Clock, the MIDI Time Code, or both, then select other features.

   • Add or remove ports: Click Ports, click the Add button below the list of ports, then specify the MIDI In and MIDI Out connectors for the port. To delete a port, select it in the list, then click the Remove button .

   • Select MIDI-CI profiles for interface devices: If an interface device supports MIDI-CI, click MIDI-CI to see the profiles available on each channel. To turn a profile on or off, select or deselect its checkbox.

7. Click Apply.

8. Repeat steps 4 through 7 for each MIDI device you want to include in the configuration.

9. In the MIDI Studio window, specify the connection between MIDI devices:

   • In Hierarchical View , drag the In or Out connectors at the top of a device icon to the corresponding connector on another device icon.

   • In List View , click a device’s disclosure triangle, click the Port disclosure triangle, click the Add Connection icon, then use the pop-up menus to specify the connections.

If you have a MIDI interface connected to the USB port on your Mac, it should appear in the MIDI Studio window. If it doesn’t, see If a connected MIDI device isn’t shown.

You can’t specify a “MIDI thru” connection between two MIDI devices. To indicate a MIDI thru connection, connect the two MIDI devices to the same port of the MIDI interface device.

Edit a MIDI configuration

1. In the Audio MIDI Setup app on your Mac, choose Window > Show MIDI Studio.

2. In the MIDI Studio window, click the Choose MIDI Configuration pop-up menu (it may show Default), then choose Edit Configurations.

3. Select a configuration, then click Duplicate, Rename, or Delete.

4. When you’re finished making changes, click Done.

Audio MIDI Setup User Guide

You can configure external speakers connected to your audio device for stereo or multichannel output, such as surround sound.

Note: Before you configure the speakers, connect them to your audio devices. Make sure your audio devices have any required software installed, are connected to your Mac, and are turned on.

1. In the Audio MIDI Setup app on your Mac, select an audio output device in the list, then click Configure Speakers.

   If your output device has multiple streams, they’re listed at the top of the window.

   To change how you view the speaker configuration, click View, then choose a view. For Isometric or Side view, you can drag the 3D view to rotate it 360 degrees.

2. Click the Configuration pop-up menu, then choose a configuration, such as Stereo or 5.1 Surround.

   If you have five front speakers and two rear speakers, choose 7.1 Surround. If you have three front speakers and four rear speakers, choose 7.1 Rear Surround.

3. For each speaker in the list, click the Channel pop-up menu, then choose a channel to assign to the speaker.

   You can click a speaker in the 3D view to highlight it in the list.

   Tip: If your output device has multiple streams offering multiple channels, it may be difficult to find the channel you want in the pop-up menu. At the top of the window, you can deselect the checkbox for each stream you don’t want to use, so their channels aren’t shown in the pop-up menu.

4. To hear a speaker’s test tone, click its Speaker button .

   For surround-sound configurations, the test tone for each speaker should be the same volume when heard from the listener’s vantage point.

   You can adjust the volume for each speaker channel in the Audio Devices window.

5. Click Apply to save your configuration and apply it to the speakers. Security cameras and video surveillance software for mac.

Some macOS apps render audio output in stereo while others use multichannel, depending on the media content. You may want to set up your speakers for both configurations to customize your audio experience when using apps.