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April 29, 2020 02:12
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use speech recognition and output captions into console
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| <html> | |
| <body> | |
| <button id="button" onclick="toggleStartStop()"></button> | |
| <div style="border:dotted;padding:10px"> | |
| <span id="final_span"></span> | |
| <span id="interim_span" style="color:grey"></span> | |
| </div> | |
| <script type="text/javascript"> | |
| var recognizing; | |
| var recognition = new (window['SpeechRecognition'] || window['webkitSpeechRecognition']) | |
| recognition.continuous = true | |
| recognition.interimResults = true | |
| reset() | |
| recognition.onend = reset | |
| recognition.onresult = function (event) { | |
| var final = "" | |
| var interim = "" | |
| for (var i = 0; i < event.results.length; ++i) { | |
| if (event.results[i].isFinal) { | |
| final += event.results[i][0].transcript | |
| } else { | |
| interim += event.results[i][0].transcript | |
| } | |
| } | |
| final_span.innerHTML = final | |
| interim_span.innerHTML = interim | |
| } | |
| function reset() { | |
| recognizing = false | |
| button.innerHTML = "Click to Speak" | |
| } | |
| function toggleStartStop() { | |
| if (recognizing) { | |
| recognition.stop() | |
| reset() | |
| } else { | |
| recognition.start() | |
| recognizing = true | |
| button.innerHTML = "Click to Stop" | |
| final_span.innerHTML = "" | |
| interim_span.innerHTML = "" | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
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