Loopback gives you the power of a high-end studio mixing board right inside your computer, with no wires required! Create virtual system-level audio devices on your Mac, for use in real-time by other audio applications. Take the sound from any applications or audio input devices, then send it all to another application for processing.
With Loopback's custom audio routing, you control exactly how and where audio is heard on your Mac.
Getting Started
To begin, we recommend having a quick read-through of this manual. You can also refer back to it at any time by accessing it from the Help menu.
Updated in Loopback 1.1.2
Critical Bug Fix: Loopback now correctly routes audio on all channels when using nested devices and manual channel mapping.
Bug Fix: An issue where rapid starting and stopping of a device could cause monitoring to fail has been fixed.
Bug Fix: A very rare issue where the installer could fail to update over very old versions has been corrected.
Other: Loopback now collects anonymized information about virtual audio devices, to assist in future development.
New in Loopback 1.1
Major Enhancement: Loopback now supports nested devices, allowing one Loopback virtual audio device to be embedded inside another Loopback device. Now you can create even more powerful (and complex) setups.
Major Enhancement: Loopback's backend, powered by Instant On, has been updated with full support for MacOS 10.12 (Sierra).
Major Enhancement: We've made a ton of small but useful interface improvements, including tooltips for overly long device summary information, visual warnings for missing devices, a Type column in the Audio Sources table, improved window resizing and full-screen support, a popover in the Home view, and changing the “Select Application…” modal dialog into a sheet.
Critical Bug Fix: Loopback can once again capture audio from FaceTime.
Critical Bug Fix: A rare issue where monitoring could fail to turn on, or fail to turn off, has been corrected.
Enhancement: You can now duplicate a virtual device, via the Edit menu. Undo is also now supported for virtual device creation and deletion.
Enhancement: Loopback devices will now show a custom icon, based on their settings, in other apps like Audio MIDI Setup.
Enhancement: Applications can now be dragged directly to the Audio Sources table to add them to a virtual device.
Enhancement: If a monitoring device is missing, Loopback will now warn you via Notification Center, as well as in the app's main interface.
Enhancement: Loopback now also uses Notification Center to alert you to software updates when the main application isn't open.
Enhancement: Virtual devices now support the 176.4 kHz sample rate.
Bug Fix: An issue on Mac OS X 10.10 and higher has been fixed, so that console warnings are no longer incorrectly logged when Loopback launches.
Other: If Instant On is unsupported (as on a brand-new OS), Loopback will now automatically check for an update.
System Requirements
A Macintosh computer
Mac OS X 10.9 or higher
Installation and Removal
To install Loopback, just drag it from your download folder to the Applications folder, and launch it. Loopback will walk you through the installation it needs to run.
If you wish to remove Loopback, be sure to select "Uninstall" from the Loopback menu to properly remove any Loopback virtual audio devices from the system. Once that's done, simply drag Loopback to the Trash.
Purchasing Loopback
We provide a free trial of Loopback for you to test. During the trial, the quality of audio passed through Loopback devices is degraded after twenty minutes. The full version of Loopback can be unlocked with a license key from our online store.
When you're ready, head over to http://rogueamoeba.com/store/ to purchase Loopback.
For more information, see the Purchasing page.