speechrecognitor/index.html at master · hoverflow/speechrecognitor · GitHub

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<!DOCTYPE html>
<html lang="en-US">
<head>
    <style>
        html {
            font-family: 'Ubuntu',sans-serif;
        }
        textarea {
            font-size: 14px;
            font-family: 'Ubuntu',sans-serif;
        }
    </style>
    <link href="https://fonts.googleapis.com/css?family=Ubuntu" rel="stylesheet" />
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
    <script type="text/javascript">
        var SpeechRecognition = SpeechRecognition || webkitSpeechRecognition;
        var SpeechGrammarList = SpeechGrammarList || webkitSpeechGrammarList;
        var SpeechRecognitionEvent = SpeechRecognitionEvent || webkitSpeechRecognitionEvent;
        var recog = new SpeechRecognition();


        function writeIntoTextarea(testo) {
            var val = $("textarea").val();
            $("textarea").val(val + '\r\n   ' + testo);
        }

        function startlisten() {
            var phrase = 'some coffee buddy?';
            var grammar = '#JSGF V1.0; grammar phrase; public <phrase> = ' + phrase + ';';


            var list = new SpeechGrammarList();
            list.addFromString(grammar, 1);
            recog.grammars = list;
            recog.lang = $("#language").val();
            recog.interimResults = false;
            recog.maxAlternatives = 1;

            recog.start();
            writeIntoTextarea('Please speak, i can hear you!\r\n');

            recog.onresult = function (event) {

                var result = event.results[0][0].transcript;
                console.log('res', result);
                writeIntoTextarea(result);


                recog.onspeechend = function () {
                    console.log('speechend');

                };

                recog.onend = function () {
                    console.log('end ');
                    restartlisten();
                };

            };


        }

        function restartlisten() {
            recog.start();
        }
    </script>
</head>

<body>
    <h2>WebSpeech API recognition test</h2>
    <h4>Tested on Chrome >= 69.x</h4>
    <div>Language: <input id="language" type="text" value="en-US" size="5" /></div>
    <div>* Please insert language in the following format (example): "en-US" or "it-IT" or "es-ES"</div>
    <div style="margin-top: 15px;"><input type="button" onclick="startlisten()" value="click to start recognition"
            style="width: 250px; height: 40px; background-color: #ff9900; color: #fff; font-weight: bold; border: 1px solid gray; border-radius: 6px;cursor: pointer;" /></div>
    <br />
    <textarea cols="120" rows="30">

    </textarea>
    <div style="margin-top: 10px;">**credits**</div>
    <h4>Realtime speech recognition based on Web Speech API</h4>
    <a href="https://github.com/hoverflow/speechrecognitor">https://github.com/hoverflow/speechrecognitor</a>
</body>
</html>