Route Audio between Mac Applications with Loopback

a screenshot of the loopback app that lets you route audio between mac applications

Rogue Amoeba, developers of Audio Hijack and other audio tools for OS X, yesterday released Loopback, a new app that lets you route audio between Mac applications.

Route Audio between Mac Applications with Loopback

According to Rogue Amoeba, you can easily route audio between Mac applications with just a few clicks.

Loopback’s virtual audio devices make it trivial to arrange complex audio setups that were difficult or even impossible before.

route audio between mac applications example

Routing Examples

Some examples of what Loopback can do:

– Take audio from your macbook’s microphone, combine it with Logic Pro’s audio, then patch that audio into Skype or Facetime to discuss your project with collaborators or clients.
– Podcasters can record a Skype conversation in Logic Pro, Garageband, or any other DAW and audio recording application.
– Webcasters can record audio from both a USB microphone and a Mac application during screen recordings.
– Similar to your Mac’s native Audio/Midi Setup application, Loopback lets you make aggregate devices by combining multiple physical input devices (i.e. multiple audio interfaces) into a single virtual device with many channels.

Pass-Thru Devices

Loopback lets you create Pass-Thru Devices, these will appear as both an audio input and an audio output throughout your system – similar to using Soundflower. Unlike Soundflower however, Loopback allows you to create as many of these devices as you need, with an exact number of audio channels. Any app that receives audio from hardware input devices will also be able to receive audio from Loopback’s virtual devices.

Set and Forget

Loopback does not need to be running for your virtual audio devices to appear throughout OS X. Once you’ve configured and created a virtual audio device, you can quit the app. The virtual audio device will still be there, even after you’ve restarted your machine.

a rogue amoeba loopback device in the OS X sound preference pane

Pricing

Loopback 1.0 is for Mac OS X 10.9+ and is available for download now, you can visit the Loopback page for more details and download a fully functional free trial (the quality of the audio will degrade after ten minutes of use). If you would like to get a refund, you can contact the developers within 14 days of your purchase. Refunds are issued on a case-by-case basis.

Price: $75 for a limited time (regularly $99). The app includes a manual with audio routing examples.

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  • Oppentrapp

    Of course something like this couldn’t be free, or at least cheaper <3

  • MH

    Confusing name, as there is already an Apple MainStage plugin called Loopback.

  • noisyneil

    I’ve set up a device in Loopback with Logic Pro as the source. Quicktime has its audio input set to that device, but isn’t receiving anything. If add my UA Apollo (under Audio Devices in Loopback) as a source, QT receives sound, but when I record and play it back, it’s mono and sounds lo-fi and distorted. I’m so confused! Any suggestions?

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