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Audio Unit Development Fundamentals - Apple Developer

    https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/AudioUnitDevelopmentFundamentals/AudioUnitDevelopmentFundamentals.html
    Audio Unit Validation and Testing Audio Unit Validation with the auval Tool. Apple strongly recommends validating your audio units using the auval command-line tool during development. The auval tool (named as a contraction of "audio unit validation") comes with OS X. It performs a comprehensive suite of tests on:

Introduction - Apple Developer

    https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/Introduction/Introduction.html
    At least one audio unit hosting application. Apple recommends the AU Lab application, installed with Apple’s Xcode Tools at this location on your system: /Developer/Applications/Audio/AU Lab. The audio unit validation command-line tool, auval, Apple’s validation tool for audio units, provided with OS X. See Also.

Using Plug-ins from Other Manufacturers - Apple

    https://help.apple.com/logicpro/mac/9.1.6/en/logicpro/usermanual/chapter_10_section_13.html
    Working with the Audio Units Manager. Logic Pro uses the Apple AU Validation Tool to ensure that only plug-ins that fully comply with the Audio Units specification are used in Logic Pro. This minimizes problems that may be caused by third-party Audio Units plug-ins. The validation process takes place automatically when: Logic Pro is first opened.

Bypass, remove, or rescan Audio Units plug-ins in Logic ...

    https://support.apple.com/en-us/HT201199
    Rescan MainStage plug-ins only. If you only use MainStage and don't have Logic Pro installed, manually remove files to rescan all Audio Units in MainStage: In the Finder, press and hold the Option key, then choose Go > Library. In the Finder window that opens, locate the AudioUnitCache folder in the Caches folder.

Forcing the validation of Audio Unit Plugins in Logic in ...

    https://www.youtube.com/watch?v=3ugXyLtfBeg
    How to force the AU Validation of plugins that didn't pass in Logic pro X after upgrading to El Capitan, Sierra, High Sierra and Mojave and CatalinaTo Work I...

Pitch Fix V1.1.0 updater for Mac OS X (Audio Units ...

    https://usa.yamaha.com/support/updates/21126_en.html
    - Compatible with the Audio Units Validation Tool (Version: 1.2.0a11) Caution - In order to use this software, a previous version of Pitch Fix for Mac OS X must be properly installed. - Your system must be Mac OS X 10.4 or later. No system prior to Mac OS X 10.4 can be used.

How To: Validate Your 3rd Party Plug-ins (Audio Units ...

    https://www.youtube.com/watch?v=_1riMuU7OGs
    Hey everyone, today is a video that some of you requested.. It show you how to validate the 3rd party plug-ins or audio-units (AU) you have installed on your...

Problem with AU validation | Logic Users Group

    https://logic-users-group.com/threads/problem-with-au-validation.11495/
    Feb 26, 2021. #1. Hi! I installed this plug-in this morning and it doesn't work (there is "failed validation"). I tried "Reset and rescan selection", but AU validation result says this: validating Audio Unit Hybrid_x64 by AIR Music Technology: AU Validation Tool. Version: 1.7.0.

How do I fix Failed Validation in Plug-in… - Apple Community

    https://discussions.apple.com/thread/8248254
    validating Audio Unit Stutter Edit by iZotope: AU Validation Tool. Version: 1.6.1a1. Copyright 2003-2013, Apple Inc. All Rights Reserved. Specify -h (-help) for command options-----VALIDATING AUDIO UNIT: 'aumf' - 'StEd' - 'iZtp'-----Manufacturer …

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