The timestampOffset property of the SourceBuffer interface controls the offset applied to timestamps inside media segments that are appended to the SourceBuffer.
The trackDefaults property of the SourceBuffer interface specifies the default values to use if kind, label, and/or language information is not available in the initialization segment of the media to be appended to the SourceBuffer.
The continuous property of the SpeechRecognition interface controls whether continuous results are returned for each recognition, or only a single result.
The grammars property of the SpeechRecognition interface returns and sets a collection of SpeechGrammar objects that represent the grammars that will be understood by the current SpeechRecognition.
The lang property of the SpeechRecognition interface returns and sets the language of the current SpeechRecognition. If not specified, this defaults to the HTML lang attribute value, or the user agent's language setting if that isn't set either.
The onaudioend property of the SpeechRecognition interface represents an event handler that will run when the user agent has finished capturing audio (when the audioend event fires.)
The onaudiostart property of the SpeechRecognition interface represents an event handler that will run when the user agent has started to capture audio (when the audiostart event fires.)
The onend property of the SpeechRecognition interface represents an event handler that will run when the speech recognition service has disconnected (when the end event fires.)
The onerror property of the SpeechRecognition interface represents an event handler that will run when a speech recognition error occurs (when the error event fires.)
The onnomatch property of the SpeechRecognition interface represents an event handler that will run when the speech recognition service returns a final result with no significant recognition (when the nomatch event fires.)
The onresult property of the SpeechRecognition interface represents an event handler that will run when the speech recognition service returns a result — a word or phrase has been positively recognized and this has been communicated back to the app (when the result event fires.)
The onsoundend property of the SpeechRecognition interface represents an event handler that will run when any sound — recognisable speech or not — has stopped being detected (when the soundend event fires.)
The onsoundstart property of the SpeechRecognition interface represents an event handler that will run when any sound — recognisable speech or not — has been detected (when the soundstart event fires.)