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Editorial Team
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Asked: 2026-05-26T08:12:59+00:00

I have just installed Xcode 4.2, and I was about to start a new

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I have just installed Xcode 4.2, and I was about to start a new Audio Unit instrument project for OSX Lion, but in Xcode 4.2’s New Project menu, there is no longer an Audio Unit Template to choose from.

Is Apple subtly telling us not to develop Audio Units anymore and if so should we all switch to VST or something? On October 12, 2011, Apple updated their Audio Unit Component Services Reference, so I don’t think this is the case, which leaves the question:

How do we go about properly developing Audio Units without a template?

Any feedback is much appreciated.

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1 Answer

  1. Editorial Team

    logic, garageband, soundtrack pro, mainstage, wave burner, fcps, fcpx, etc. are all apple products without vst support — only au. i’d be very surprised if they made that move at this time =)

    i would guess the reason is that the templates have not been updated yet for lion.

    first check to see if they have updated their samples or templates (some of the templates have in the past been separate downloads).

    scan the CoreAudio list archives at apple, because it’s likely that the issue has already been risen there. users have in the past provided updated templates/fixes before apple, and the CA lists have historically been a good place to find and exchange these updates.

    still no luck?

    you will probably have to create it yourself in this case:

    • begin with a template from an older xcode distribution
    • update it for lion or whichever os version you are targeting (if needed)
    • save it as a project template

    i suggest starting with a template because the number of steps required to configure an au for a build is a bit high. you have components, resources, plugin executables, ui sub-bundles.

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