The amount of time a speech synthesizer will wait before actually speaking the utterance upon beginning to handle it.
- iOS 7.0+
- macOS 10.14+
- UIKit for Mac 13.0+Beta
- tvOS 9.0+
- watchOS 3.0+
When two or more utterances are spoken by an instance of
AVSpeechSynthesizer, the time between periods when either is audible will be at least the sum of the first utterance’s
postUtteranceDelay and the second utterance’s
Configuring Utterance Speech
The amount of time a speech synthesizer will wait after the utterance is spoken before handling the next queued utterance.
The rate at which the utterance will be spoken.
The voice used to speak the utterance.
The volume used when speaking the utterance.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.Learn more about using Apple's beta software