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The Audio Unit - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/TheAudioUnit/TheAudioUnit.html#:~:text=An%20audio%20unit%20element%20is%20a%20programmatic%20context,the%20signal%20buses%20used%20in%20hardware%20audio%20devices.
The Audio Unit - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/TheAudioUnit/TheAudioUnit.html
In instrument units built using the SDK, the audio generation work takes place in a method called Render, defined in the AUInstrumentBase class. In an effect unit, processing starts when the unit receives a call to its Process method.
App Extension Programming Guide: Audio Unit
https://developer.apple.com/library/archive/documentation/General/Conceptual/ExtensibilityPG/AudioUnit.html
The audio unit itself is a custom plug-in in which you implement an audio creation or an audio processing algorithm. You build the audio unit using the Audio Unit framework, whose APIs are described in Audio Unit Framework Reference. (Designing and building audio units is not covered in the current document, which instead explains how to incorporate an audio unit into …
Writing an Audio Unit v3: Instrument | Gene De Lisa
https://www.rockhoppertech.com/blog/writing-an-audio-unit-v3-instrument/
in the Audio Unit’s allocateRenderResourcesAndReturnError method. You will also need a frame count. The Audio Unit has its maximumFramesToRender property set by the host, so use that. Out of an abundance of caution though, you should give it a default value in your init method. Also, you’ll need an ivar for the AVAudioPCMBuffer.
sound libraries - Programming an Audio Unit that hosts ...
https://sound.stackexchange.com/questions/14983/programming-an-audio-unit-that-hosts-another-audio-unit
I need help programming a Audio Unit that wraps a 3rd party audio unit. I am trying to develop an Audio Unit instrument using Xcode. I want my AU to load an instance of a 3rd party Audio Unit called Massive by Native Instruments. I want all MIDI notes passed to my AU to go into the Massive AU and the output of that is the output of my AU.
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