The onspeechend property of the SpeechRecognition interface represents an event handler that will run when speech recognised by the speech recognition service has stopped being detected (when the speechend event fires.)
The onspeechstart property of the SpeechRecognition interface represents an event handler that will run when sound recognised by the speech recognition service as speech has been detected (when the speechstart event fires.)
The onstart property of the SpeechRecognition interface represents an event handler that will run when the speech recognition service has begun listening to incoming audio with intent to recognize grammars associated with the current SpeechRecognition (when the start event fires.)
The serviceURI property of the SpeechRecognition interface specifies the location of the speech recognition service used by the current SpeechRecognition to handle the actual recognition. The default is the user agent's default speech service.
The emma read-only property of the SpeechRecognitionEvent interface returns an Extensible MultiModal Annotation markup language (EMMA) — XML — representation of the result.
The paused read-only property of the SpeechSynthesis interface is a Boolean that returns true if the SpeechSynthesis object is in a paused state, or false if not.
The pending read-only property of the SpeechSynthesis interface is a Boolean that returns true if the utterance queue contains as-yet-unspoken utterances.
The speaking read-only property of the SpeechSynthesis interface is a Boolean that returns true if an utterance is currently in the process of being spoken — even if SpeechSynthesis is in a paused state.