Analyzes the audio file asynchronously.
- iOS 13.0+
- macOS 10.15+
- Mac Catalyst 13.0+
- tvOS 13.0+
- watchOS 6.0+
The completion closure that's invoked when the processing completes.
This function executes asynchronously, calling the completion handler after the entire file has completed analysis. The analyzer sends any errors produced during the analysis to the registerered request observers.
cancel method invokes the completion handler with an argument value of false.