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@danwahl /index.html
Last active Dec 23, 2016

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Web Speech Hearing Aid
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width">
<title>Web Speech Hearing Aid</title>
<style>
body, html {
margin: 0;
}
html {
height: 100%;
}
body {
height: inherit;
background-color: gray;
}
div.results {
background-color: white;
padding: 10px;
margin: 10px;
font-size: 32px;
font-family: Sans-Serif;
}
.interim {
color: #c53929;
}
</style>
</head>
<body>
<div class="results">
<span class="interim" id="interim_span">&nbsp;</span>
</div>
<div id="previous">
</div>
<script>
window.mobileAndTabletcheck = function() {
var check = false;
(function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino|android|ipad|playbook|silk/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4))) check = true;})(navigator.userAgent||navigator.vendor||window.opera);
return check;
};
// check for web speech
if ('webkitSpeechRecognition' in window) {
// recognition vars
var recognizing = false;
var recognition = new webkitSpeechRecognition();
// only continuous on desktop
if(window.mobileAndTabletcheck()) recognition.continuous = false;
else recognition.continuous = true;
recognition.interimResults = true;
recognition.maxAlternatives = 1;
recognition.lang = 'en-US', 'United States';
// handle body click
document.body.onclick = function() {
if (recognizing) recognition.stop();
else recognition.start();
}
// onstart, change state and background color
recognition.onstart = function() {
recognizing = true;
document.body.style.backgroundColor = "#c53929";
};
// onerror, log (maybe restart?)
recognition.onerror = function(event) {
alert(event.error);
recognizing = false;
};
// onend, change state and background
recognition.onend = function() {
//console.log('onend');
// reset
recognizing = false;
document.body.style.backgroundColor = "gray";
interim_span.innerHTML = '&nbsp';
};
// onresult, append to interim transcript or push final to new div
recognition.onresult = function(event) {
// check for errors
if (typeof(event.results) == 'undefined') {
alert('undefined-event');
recognition.stop();
return;
}
// iterate through results
var interim_transcript = '';
var final_transcript = '';
var is_final = false;
for (var i = event.resultIndex; i < event.results.length; ++i) {
//console.log(event.results[i]);
// check for final results
if (event.results[i].isFinal) {
is_final = true;
final_transcript += event.results[i][0].transcript;
}
// otherwise update interim span
else {
interim_transcript += event.results[i][0].transcript;
}
}
if(is_final) {
// create div
var div = document.createElement('div');
div.innerHTML = final_transcript;
div.setAttribute('class', 'results');
// append to beginning previous section
fc = document.getElementById('previous').firstChild
if(fc) document.getElementById('previous').insertBefore(div, fc);
else document.getElementById('previous').appendChild(div);
// reset interim
interim_span.innerHTML = '&nbsp';
}
else {
// update interim span
if(interim_transcript) interim_span.innerHTML = interim_transcript;
else interim_span.innerHTML = '&nbsp';
}
}
}
else {
//console.log(window);
interim_span.innerHTML = 'Web Speech API is not supported by this browser. Upgrade to <a href="//www.google.com/chrome">Chrome</a> version 25 or later.';
}
</script>
</body>
</html>
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