API Experimental Interface Reference speech SpeechSynthesisVoice synthesis Web Speech API

The default read-only property of the SpeechSynthesisVoice interface returns a Boolean indicating whether the voice is the default voice for the current app (true), or not (false.)

API default Experimental Property Reference speech SpeechSynthesisVoice synthesis Web Speech API

The lang read-only property of the SpeechSynthesisVoice interface returns a BCP 47 language tag indicating the language of the voice.

API Experimental lang Property Reference speech SpeechSynthesisVoice synthesis Web Speech API

The localService read-only property of the SpeechSynthesisVoice interface returns a Boolean indicating whether the voice is supplied by a local speech synthesizer service (true), or a remote speech synthesizer service (false.)

API Experimental localService Property Reference speech SpeechSynthesisVoice synthesis Web Speech API

The name read-only property of the SpeechSynthesisVoice interface returns a human-readable name that represents the voice.

API Experimental name Property Reference speech SpeechSynthesisVoice synthesis Web Speech API

The voiceURI read-only property of the SpeechSynthesisVoice interface returns the type of URI and location of the speech synthesis service for this voice.

API Experimental Property Reference speech SpeechSynthesisVoice synthesis voiceURI Web Speech API