There is no mechanism to change the sampling rate in Garageband, but in doing this project I discovered (and demonstrate) that I could receive and record audio from a 48k Jacktrip session even though Garageband only runs at 44.1k. Variation 4: Capturing audio in a DAW (Garageband) – Click here for video Variation 3: Capturing audio in a DAW (Max) – Click here for video But be careful to launch Live and confirm settings before launching the Jacktrip session – Live may be configured wrong when it launches and take down Jacktrip Variation 2: Capturing audio in a DAW (Ableton Live) – Click here for videoĪll the audio settings are set globally in Live. Launching a mismatched project will crash the Jacktrip session, possibly for everybody. The one that causes trouble is the Sample Rate, which is set at the project level and is quite often different than the sample rate being used by Jacktrip.
The quirk of Logic is that it sets audio preferences in two places. Variation 1: Capturing audio in a DAW (Logic Pro) – Click here for video A device that can route 2 channels of Jacktrip in and out. Step 6: Route local audio out to Jacktrip – Click here for video Start by launching a Jacktrip connection and routing the incoming Jacktrip audio (just to the interface at first, more apps in later examples). Step 5: Route incoming Jacktrip audio – Click here for video Those other devices can be turned back on once this one is selected and saved as a QJackCtl preset. People who are already using Loopback and have a lot of devices may have to turn all but the new one off momentarily so that QJackCtl can find this one. QJackCtl has two buttons that can be used to select the interface - use the rightmost one, with the carrot that looks like this “>”
Start QJackCtl at this point and make sure that it works as an interface. Step 4: Link to QJackCtl – Click here for video I’ve gotten into using really goofy names so that I don’t confuse myself when picking this device out of a list. This is also a good place to rename the device. Step 3: Clear out default routings – Click here for videoĪll of the sources and destinations are in place, but there isn’t any routing. Adding things later will sometimes cause Loopback to “rewire” the whole setup. Loopback makes guesses about the routing, which are fine but those guesses won’t work for what we’re doing. It’s good to make a list of sources and destinations for audio and add them all at once.
Step 2: Add components – Click here for video This is just like a 2-channel Soundflower or Blackhole device – apps can send 2 channels to this gizmo, and other apps can listen to those two channels. Step 1: Starting out – Click here for videoĬreate a new Loopback device. Step 0: Assumptions – Click here for video Click on the pictures to embiggify and read them. There are links to short videos that “animate” each of these steps and examples.
#LOOPBACK DEVICE HOW TO#
I don’t have a clue how to do this on a Windows machine.
#LOOPBACK DEVICE FOR MAC#
It also covers things like routing audio into and out of other audio software like Logic Pro, Ableton Live, Max and Zoom.Īlas, this is for Mac folks only. The goal of this post is to get a person with a 2×2 interface going with a setup that will let them join a Jacktrip session reliably, without having to “rewire” things each time. I like it because it is more visual and does more stuff.
Loopback is a for-money successor to Soundflower and similar to BlackHole. Here’s a step-by-step post about routing Jacktrip audio using Rogue Amoeba’s Loopback software.
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