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sample.html
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<!DOCTYPE html>
<html>
<head>
<title>Speech Sample</title>
<meta charset="utf-8" />
</head>
<body style="font-family:'Helvetica Neue',Helvetica,Arial,sans-serif; font-size:13px;">
<table width="100%">
<tr>
<td></td>
<td>
<h1 style="font-weight:500;">Speech Recognition</h1>
<h2 style="font-weight:500;">Microsoft Cognitive Services</h2>
</td>
</tr>
<tr>
<td align="right"><a href="https://www.microsoft.com/cognitive-services/en-us/sign-up" target="_blank">Subscription</a>:</td>
<td><input id="key" type="text" size="40" value="969e5b575781433abeca615365fd3926"></td>
</tr>
<tr>
<td align="right">Language:</td>
<td align="left">
<select id="languageOptions">
<option value="zh-CN">Chinese - CN</option>
<option value="en-GB">English - GB</option>
<option value="en-US" selected="selected">English - US</option>
<option value="fr-FR">French - FR</option>
<option value="de-DE">German - DE</option>
<option value="it-IT">Italian - IT</option>
<option value="es-ES">Spanish - ES</option>
</select>
</td>
</tr>
<tr>
<td align="right">Recognition Mode:</td>
<td align="left">
<select id="recognitionMode">
<option value="Interactive">Interactive</option>
<option value="Conversation">Conversation</option>
<option value="Dictation">Dictation</option>
</select>
</td>
</tr>
<tr>
<td align="right">Format:</td>
<td align="left">
<select id="formatOptions">
<option value="Simple" selected="selected">Simple Result</option>
<option value="Detailed">Detailed Result</option>
</select>
</td>
</tr>
<tr>
<td align="right">Input:</td>
<td align="left">
<select id="inputSource">
<option value="Mic" selected="selected">Microphone</option>
<option value="File">Audio File</option>
</select>
</td>
</tr>
<tr>
<td></td>
<td>
<button id="startBtn" disabled="disabled">Start</button>
<button id="stopBtn" disabled="disabled">Stop</button>
<input type="file" id="filePicker" accept=".wav" style="display:none"/>
</td>
</tr>
<tr>
<td></td>
<td>
<table>
<tr>
<td>Results:</td>
<td>Current hypothesis:</td>
</tr>
<tr>
<td>
<textarea id="phraseDiv" style="display: inline-block;width:500px;height:200px"></textarea>
</td>
<td style="vertical-align: top">
<span id="hypothesisDiv" style="width:200px;height:200px;display:block;"></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td align="right">Status:</td>
<td align="left"><span id="statusDiv"></span></td>
</tr>
</table>
<!-- The SDK has a dependency on requirejs (http://requirejs.org/). -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/require.js/2.3.3/require.min.js"></script>
<!-- SDK REFERENCE -->
<script src="speech.browser.sdk.js"></script>
<!-- SDK USAGE -->
<script>
// On document load resolve the SDK dependency
function Initialize(onComplete) {
require(["Speech.Browser.Sdk"], function(SDK) {
onComplete(SDK);
});
}
// Setup the recognizer
function RecognizerSetup(SDK, recognitionMode, language, format, subscriptionKey) {
switch (recognitionMode) {
case "Interactive" :
recognitionMode = SDK.RecognitionMode.Interactive;
break;
case "Conversation" :
recognitionMode = SDK.RecognitionMode.Conversation;
break;
case "Dictation" :
recognitionMode = SDK.RecognitionMode.Dictation;
break;
default:
recognitionMode = SDK.RecognitionMode.Interactive;
}
var recognizerConfig = new SDK.RecognizerConfig(
new SDK.SpeechConfig(
new SDK.Context(
new SDK.OS(navigator.userAgent, "Browser", null),
new SDK.Device("SpeechSample", "SpeechSample", "1.0.00000"))),
recognitionMode,
language, // Supported languages are specific to each recognition mode. Refer to docs.
format); // SDK.SpeechResultFormat.Simple (Options - Simple/Detailed)
// Alternatively use SDK.CognitiveTokenAuthentication(fetchCallback, fetchOnExpiryCallback) for token auth
var authentication = new SDK.CognitiveSubscriptionKeyAuthentication(subscriptionKey);
var files = document.getElementById('filePicker').files;
if (!files.length) {
return SDK.CreateRecognizer(recognizerConfig, authentication);
} else {
return SDK.CreateRecognizerWithFileAudioSource(recognizerConfig, authentication, files[0]);
}
}
// Start the recognition
function RecognizerStart(SDK, recognizer) {
recognizer.Recognize((event) => {
/*
Alternative syntax for typescript devs.
if (event instanceof SDK.RecognitionTriggeredEvent)
*/
switch (event.Name) {
case "RecognitionTriggeredEvent" :
UpdateStatus("Initializing");
break;
case "ListeningStartedEvent" :
UpdateStatus("Listening");
break;
case "RecognitionStartedEvent" :
UpdateStatus("Listening_Recognizing");
break;
case "SpeechStartDetectedEvent" :
UpdateStatus("Listening_DetectedSpeech_Recognizing");
console.log(JSON.stringify(event.Result)); // check console for other information in result
break;
case "SpeechHypothesisEvent" :
UpdateRecognizedHypothesis(event.Result.Text, false);
console.log(JSON.stringify(event.Result)); // check console for other information in result
break;
case "SpeechFragmentEvent" :
UpdateRecognizedHypothesis(event.Result.Text, true);
console.log(JSON.stringify(event.Result)); // check console for other information in result
break;
case "SpeechEndDetectedEvent" :
OnSpeechEndDetected();
UpdateStatus("Processing_Adding_Final_Touches");
console.log(JSON.stringify(event.Result)); // check console for other information in result
break;
case "SpeechSimplePhraseEvent" :
UpdateRecognizedPhrase(JSON.stringify(event.Result, null, 3));
break;
case "SpeechDetailedPhraseEvent" :
UpdateRecognizedPhrase(JSON.stringify(event.Result, null, 3));
break;
case "RecognitionEndedEvent" :
OnComplete();
UpdateStatus("Idle");
console.log(JSON.stringify(event)); // Debug information
break;
default:
console.log(JSON.stringify(event)); // Debug information
}
})
.On(() => {
// The request succeeded. Nothing to do here.
},
(error) => {
console.error(error);
});
}
// Stop the Recognition.
function RecognizerStop(SDK, recognizer) {
// recognizer.AudioSource.Detach(audioNodeId) can be also used here. (audioNodeId is part of ListeningStartedEvent)
recognizer.AudioSource.TurnOff();
}
</script>
<!-- Browser Hooks -->
<script>
var startBtn, stopBtn, hypothesisDiv, phraseDiv, statusDiv;
var key, languageOptions, formatOptions, recognitionMode, inputSource, filePicker;
var SDK;
var recognizer;
var previousSubscriptionKey;
document.addEventListener("DOMContentLoaded", function () {
createBtn = document.getElementById("createBtn");
startBtn = document.getElementById("startBtn");
stopBtn = document.getElementById("stopBtn");
phraseDiv = document.getElementById("phraseDiv");
hypothesisDiv = document.getElementById("hypothesisDiv");
statusDiv = document.getElementById("statusDiv");
key = document.getElementById("key");
languageOptions = document.getElementById("languageOptions");
formatOptions = document.getElementById("formatOptions");
inputSource = document.getElementById("inputSource");
recognitionMode = document.getElementById("recognitionMode");
filePicker = document.getElementById('filePicker');
languageOptions.addEventListener("change", Setup);
formatOptions.addEventListener("change", Setup);
recognitionMode.addEventListener("change", Setup);
startBtn.addEventListener("click", function () {
if (key.value == "" || key.value == "") {
alert("Please enter your Bing Speech subscription key!");
return;
}
if (inputSource.value === "File") {
filePicker.click();
} else {
if (!recognizer || previousSubscriptionKey != key.value) {
previousSubscriptionKey = key.value;
Setup();
}
hypothesisDiv.innerHTML = "";
phraseDiv.innerHTML = "";
RecognizerStart(SDK, recognizer);
startBtn.disabled = true;
stopBtn.disabled = false;
}
});
key.addEventListener("focus", function () {
if (key.value == "969e5b575781433abeca615365fd3926") {
key.value = "";
}
});
key.addEventListener("focusout", function () {
if (key.value == "") {
key.value = "969e5b575781433abeca615365fd3926";
}
});
filePicker.addEventListener("change", function () {
Setup();
hypothesisDiv.innerHTML = "";
phraseDiv.innerHTML = "";
RecognizerStart(SDK, recognizer);
startBtn.disabled = true;
stopBtn.disabled = false;
filePicker.value = "";
});
stopBtn.addEventListener("click", function () {
RecognizerStop(SDK, recognizer);
startBtn.disabled = false;
stopBtn.disabled = true;
});
Initialize(function (speechSdk) {
SDK = speechSdk;
startBtn.disabled = false;
});
});
function Setup() {
recognizer = RecognizerSetup(SDK, recognitionMode.value, languageOptions.value, SDK.SpeechResultFormat[formatOptions.value], key.value);
}
function UpdateStatus(status) {
statusDiv.innerHTML = status;
}
function UpdateRecognizedHypothesis(text, append) {
if (append)
hypothesisDiv.innerHTML += text + " ";
else
hypothesisDiv.innerHTML = text;
console.log("Rachit" + text);
var length = hypothesisDiv.innerHTML.length;
if (length > 403) {
hypothesisDiv.innerHTML = "..." + hypothesisDiv.innerHTML.substr(length-400, length);
}
}
function OnSpeechEndDetected() {
stopBtn.disabled = true;
}
function UpdateRecognizedPhrase(json) {
hypothesisDiv.innerHTML = "";
phraseDiv.innerHTML += json + "\n";
}
function OnComplete() {
startBtn.disabled = false;
stopBtn.disabled = true;
}
</script>
</body>
</html>