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ARDOUR

PowerBooks & MacBooks

If you have a PowerBook or MacBook made in 2007 or later, your built in soundcard will not be capable of recording and playing back audio simultaneously without doing some extra configuration. You must use the Audio MIDI Setup application to create an Aggregate Device, which is essentially one virtual soundcard made of of two or more physical soundcards. JACK will then connect to this virtual soundcard and have both input and output channels.

OS X 10.4 and 10.5

 Double-click the Audio MIDI Setup icon:

starting_audio_midi_setup_osx_1_double_click_icon_1

The Audio MIDI Setup window appears:

starting_audio_midi_setup_osx_2_1

Open Audio > Aggregate Device Editor:

starting_audio_midi_setup_osx_3_open_aggregate_device_editor.png

starting_audio_midi_setup_osx_4_1

Add an aggregate device and select Built-In Input and Built-In Output:

starting_audio_midi_setup_osx_5_adding_aggregate_device_1

Click the Done button. 

OS X 10.6

The OS X 10.6 ("Snow Leopard") Audio MIDI Setup utility differs from the one shipped in earlier OS X versions. Audio Devices and MIDI Devices are listed in separate windows.

Double-click the Audio MIDI Setup icon, as depicted in the OS X 10.4/10.5 instructions, above. 

If the Audio Devices window does not appear, choose Window > Show Audio Window.

AudioMidiSetup_WindowMenu_1

The Audio Devices window lists the audio devices on the left, and the pane on the right shows the properties of the selected device.

10.6_AudioDevicesWindow_1

To create a new aggregate device, click the small + button in the bottom-left corner.

  10.6_ADW_NewAggregateDevice_1

Next, add the Built-In Input and Built-In Output to the aggregate device by checking their respective boxes in the Use column. Clicking the triangle in front of the Aggregate Device icon lists the  aggregate device's component devices.

10.6_ADW_AggDev_with_In_and_Out_1

By double-clicking the words 'Aggregate Device' in the list, you can rename your new Aggregate Device.

10.6_ADW_AggDev_Renamed_1

If a JACK server is running, a JackRouter device appears in the list of audio devices.

10.6_ADW_with_JackRouter_1

The JackRouter device is an internal virtual audio device. Although it has no physical connection to any input or output, you can use it to route audio to and from Ardour, from and to other applications.

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