GiO: Setup

Symptoms: When connected to a USB 3.0 port on a Mac, GiO only displays white lights instead of the colors as expected.   Solution: The workaround is to connect GiO to the Mac through a powered or unpowered USB 2.0 hub or Apple USB Keyboard.

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To select GiO as the audio input/output device for GarageBand, click Preferences>Audio/MIDI and choose "GiO" for audio input and output. If you would like to use GiO as your input device but listen through your Mac's internal speakers, select "GiO" for audio input and "Built-in" for your audio output.

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It’s an accepted “best pactice” of most audio software providers that audio files should be recorded on a hard drive other than the Mac’s Startup drive (i.e. the drive on which the operating system is installed). You can probably get away with recording a few tracks to your computer’s Startup disk, but for the best performance of your Apogee recording system, record onto a separate ATA/IDE, SATA, or FireWire drive whose spindle speed is at least 7200 RPM.

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Yes, Mac OS allows you to use multiple audio devices at once and use them as-if they were a single device. Through a process called Aggregation, inputs and outputs of the separate devices are combined and can be used simultaneously.  For example, you can aggregate 2 ONE's, effectively creating a device with 4 output channels. Apogee supports device aggregation for a maximum of 2 devices only on Mac OSX 10.7 (Lion) or greater.   Apogee devices that support Aggregation:

• Duet 2
• Quartet
• GiO
• JAM
• MiC
• ONE

  To create an aggregate device and use multiple interfaces simultaneously:

• Open Audio Midi Setup (Located in Applications/Utilities/ on your Mac)
• Click the + from the button left of the window
• Select "Create Aggregate device"
• Double-click the newly created device's name "Aggregate Device" and rename it if desired
• In the right side of the window, select the devices you wish to aggregate. For example ONE, Built-in Input, Built-in Output.
• For best results, be sure Apogee device is selected as the Master Clock
• In your recording application, select the device name you've just created.
• To select this device to be your default for Mac sound, Right click (or control click) the device in Audio MIDI Setup and select "Use this device for sound input/output"
• Select the Output speaker channels by clicking "Configure Speakers", selecting the stereo tab and assigning destinations for left and right channels
• Select "Done" button and you're all set.

     

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GiO is not supported with the iPad.

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GiO can only be used with a Mac computer.  It does not have a standalone mode.

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Currently, it's possible to aggregate ONE and GiO (using the OS X utility Audio MIDI Setup), but the system may be less tolerant to sleep/wake cycles of the computer, session sample rate changes, and hot-plugging. It's best to minimize these activities when aggregating. Keep in mind that with Logic 9 and GarageBand it's possible to assign the input to one device and the output to another without the need to aggregate the devices. In Logic Pro, for example, choose Logic Pro > Preferences > Audio, and set Output Device to ONE and Input Device to GiO.

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Most powered speakers offer an input volume control, often labelled as input sensitivity. Rather than describe an overly complicated method for setting this control, the easiest way to determine the right setting is to note where you generally set GiO’s output level. If you find yourself rarely turning the output past a very low output level (say, -35 dB), decrease the input sensitivity on the speaker. If, on the other hand, you find yourself setting GiO for full output and the speakers aren’t loud enough, increase the input sensitivity. Ideally, GiO’s output should be at 0 dB when you’re listening at your absolute maximum desired volume.

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It’s an accepted “best practice” of most audio software providers that audio files should be recorded on a hard drive other than the Mac’s Startup drive (i.e. the drive on which the operating system is installed). You can probably get away with recording a few tracks to your computer’s Startup disk, but for the best performance of your GiO recording system, record onto a separate ATA/IDE, SATA, or FireWire drive whose spindle speed is at least 7200 RPM.

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