https://www.telerik.com/kendo-jquery-ui/documentation/api/javascript/ui/speechtotextbutton/configuration/interimresults
interimResults - API Reference - Kendo UI SpeechToTextButton - Kendo UI for jQuery
In this article you can see how to configure the interimResults property of the Kendo UI SpeechToTextButton.
api referencekendo uiinterimresultsspeechtotextbuttonjquery