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Core audio error codes - Apple Community

    https://discussions.apple.com/thread/360005
    Powerbook G4 17 1.5Ghz, Mac OS X (10.3.9), 1GB SDRAM 2x 250g Icecubes

ios - What is Core Audio error 561015905 and why does it ...

    https://stackoverflow.com/questions/39568433/what-is-core-audio-error-561015905-and-why-does-it-happen-when-i-use-the-lock-bu
    Apple Docs gives the detail of this error as: "The app is not allowed to start recording and/or playing, usually because of a lack of audio key in its Info.plist. This could also happen if the app has this key but uses a category that can't record and/or play in the background (AVAudioSessionCategoryAmbient, AVAudioSessionCategorySoloAmbient, etc.)."

Core Audio and freakin’ error -66632 - A Tasty Pixel

    https://atastypixel.com/core-audio-and-freakin-error-66632/
    Core Audio and freakin’ error -66632. This will only be of interest to a very small minority, but for those of us who have used Core Audio and come across error -66632 in all its glorious undocumented-ness, this is a helpful note. The error occurs when using AudioQueueEnqueueBuffer.

CoreAudio error: 21646576 · Issue #179 · …

    https://github.com/ExistentialAudio/BlackHole/issues/179
    Does anybody have an idea what causes this or how I can track down the problem? Waveform logs show: 1 Jul 2020 15:37:55 CoreAudio: CoreAudio error: 21646576 1 Jul 2020 15:37:56 CoreAudio: CoreAudio error: 21646576 1 Jul 2020 15:37:56 CoreAudio: CoreAudio error: 216f626a — You are receiving this because you are subscribed to this thread.

GarageBand: "Error code -2 was returned by the CoreAudio ...

    https://support.apple.com/en-us/HT203194
    "Error code -2 was returned by the CoreAudio driver." If you click the Continue button, the audio in the project will not play. This issue affects GarageBand 3.0.2 or later. To resolve the issue: Click the Continue button to dismiss the alert message. From the GarageBand application menu, choose Preferences. Select the Audio/MIDI pane.

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