# AudioQueueProcessingTapCallback ``` typealias AudioQueueProcessingTapCallback = (UnsafeMutableRawPointer, AudioQueueProcessingTapRef, UInt32, UnsafeMutablePointer, UnsafeMutablePointer, UnsafeMutablePointer, UnsafeMutablePointer) -> Void ``` --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)