Javascript speech to text api9/1/2023 window.SpeechRecognition = window.SpeechRecognition ||ĭocument.getElementById('unsupported').classList.remove('hidden') If this result comes back as null then the if statement throws up the hidden message, while simultaneously taking the start button away from the interface to stop the speech input. The first thing our code will do is find out if this speech feature is supported by the user's browser. Var clear = document.getElementById('clear-all') var start = document.getElementById('speechButton') The clear-all button will delete unsatisfactory speech results. The speech button will become a toggle, letting users switch speech on and off., monitored by a Boolean, true/false variable. Using the next few variables, more interface elements are cached into them. Var log = document.getElementById('log') Var transcription = document.getElementById('transcription') The log will update the user with how to use it. ![]() The transcription is the text result of the speech. The first two lines grab the page elements with the matching ID and store them in a variable. This is where all of the JavaScript will go. Now add the script tags before the closing body tag. As this is a relatively new interaction, the log underneath will tell the users what to do. The speech button enables and disables the speech, so it must be clicked before speaking. The final interface elements are added to the screen now. Ĭlicking the speech button starts and stops speech detection These radio buttons will be picked up by the JavaScript later and used to control the speech input, but for now this allows the user to have an interface to control that. The second radio button is added here and this one allows the user to select the text to be displayed as they speak. This first radio button allows for the final speech result to be shown. The other shows words on screen as spoken. ![]() In one, text displays when the user has stopped speaking and the 'listening' button is clicked off. ![]() When using the Speech API there are two ways to display the content. Then a heading tells the user that the form elements that follow will be used for their message. The first element in here will be a hidden message that tells the user if the Speech API is supported in the browser. The first elements of this will be to have a wrapper in which to hold all of our on-screen content.
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