Ableton Mac Aggregate Device

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Need more inputs or outputs than your current audio interface provides? Got 2 interfaces? Running Mac OS X? Hollin Jones explains how Audio MIDI Setup can fool your DAW into using two devices as one!

Oct 16, 2019  Ableton Live 10.1.9 Crack With Keygen Win/Mac Free Download 2020 Ableton Live 10.1.9 Crack is undoubtedly the simplest DAW to browse and also record together –once you realize what you do. It isn’t necessarily intuitive to people originating out of different DAWs, that explains the reason why it took me to get with this program. Aggregate audio device consistency. Aggregate devices don’t always perform as well as when the interfaces are alone. You might experience clock source problems, dropouts and noise, or other playback related issues. If you experience poor performance or connectivity issues, an aggregate audio device may not be an ideal solution.

Ableton Mac Aggregate Device

Anyone who has been making music with Macs for more than a decade will remember the “bad old days” of OS9, when audio and MIDI streaming in and out of a computer meant relying on specially written drivers and the OMS MIDI system. These were bolt-ons, and together with OS9’s inherent stability problems related to Extensions (I still shudder when I think of how often Macs used to crash compared to today), meant you were more or less at the mercy of whoever had written the drivers for your device.

This all changed with OS X, which uses CoreAudio and CoreMIDI frameworks built in at system level. Developers are able to use these standards when making hardware and software, and the result is an infinitely more reliable way to transfer data. Some time ago, OS X gained a rather interesting ability which addressed a fairly common problem for musicians. This is the ability to aggregate multiple audio interfaces or hardware connections into a single virtual device. So if you have two audio interfaces, one with two inputs and one with four, you can connect them both, perform a quick setup and they will appear to your DAW as a six input device. It scales up too, so you can add as many devices as you can physically connect. Since DAWs can normally only see one interface at a time, aggregating several devices “fools” them into seeing several devices at the same time. Here’s how it works.


Step 1


Open the Audio MIDI Setup application on your Mac and go to the Audio Devices window. Click on the plus icon at the bottom left of the window to create a new Aggregate Device, then double click in its name field and assign it a name.

Ableton Mac Aggregate Device


Step 2


In this example you’ll see that I have two external devices connected as well as my MacBook Pro’s built-in audio hardware and a Soundflower virtual routing device. For simplicity’s sake, what I will do is assign the two hardware interfaces to work as one. So I click the Use boxes for the Xiosynth and the Yamaha device.

Ableton Mac Aggregate Device List


Step 3

You’ll notice that my Aggregate device is now reporting 14 ins and outs, which is the sum of the 2/2 of the Xiosynth and the 12/12 of the Yamaha. I have set the larger Yamaha device as my Clock source, and gone into the Xiosynth’s tab to make sure that it is working at the same sample rate as the Yamaha.


Step 4

Next I open the audio preferences in my DAW, which here happens to be Logic, and set the input and output to the Aggregate device.


Step 5

Ableton Mac Aggregate Device

Now when I create an audio track, I can set its input and output to use any of the 14 channels available, either when creating the track or from the channel inspector. These correspond to the twelve channels on the Yamaha plus the two on the Xiosynth.


Ableton Mac Aggregate Devices

Step 6

Here is the same thing set up in Reason and you will notice again that there are 14 ins and outs available. If you needed even more you could add more devices or even use the built-in audio hardware on your Mac, though it won’t offer the same recording quality as a dedicted unit.

Aggregate Device Mac Ableton