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	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>StreamSpeech</title>
	<script src="https://unpkg.com/wavesurfer.js"></script>
	<style>
	body {
	font-family: 'Arial', sans-serif;
	margin: 0;
	padding: 0;
	background-color: #f4f4f9;
	color: #333;
	}
	.container {
	max-width: 1400px; /* Increased the width */
	margin: 0 auto;
	padding: 20px;
	background: #fff;
	border-radius: 10px;
	box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
	}
	h1 {
	text-align: center;
	color: #000000;
	}
	p {
	text-align: center;
	}
	.badges {
	text-align: center;
	margin: 15px 0; /* Reduced the margin */
	}
	form {
	display: flex;
	justify-content: center;
	margin-bottom: 10px; /* Reduced the margin */
	}
	input[type="file"] {
	border: 1px solid #ddd;
	border-radius: 5px;
	padding: 5px; /* Reduced the padding */
	cursor: pointer;
	}
	button {
	background-color: #4CAF50;
	color: white;
	border: none;
	border-radius: 5px;
	padding: 5px 10px; /* Reduced the padding */
	cursor: pointer;
	margin-left: 10px;
	}
	button:disabled {
	background-color: #ddd;
	cursor: not-allowed;
	}
	button:hover:not([disabled]) {
	background-color: #45a049;
	}
	#waveform, #outputWaveform {
	margin: 10px 0; /* Reduced the margin */
	border: 1px solid #ddd;
	border-radius: 5px;
	}
	.results {
	margin-top: 10px; /* Reduced the margin */
	padding: 10px;
	background: #f9f9f9;
	border: 1px solid #ddd;
	border-radius: 5px;
	}
	h2, .result-title {
	font-size: 16px;
	color: #000000;
	align-items: center;
	margin: 5px 0; /* Reduced the margin */
	}
	.result-content {
	font-size: 16px;
	color: #001eff;
	margin-left: 10px;
	white-space: pre-wrap; /* Preserve empty lines */
	min-height: 1em; /* Ensure at least one line of height */
	}
	.result-content2 {
	font-size: 16px;
	color: #ff8800;
	margin-left: 10px;
	white-space: pre-wrap; /* Preserve empty lines */
	min-height: 1em; /* Ensure at least one line of height */
	}
	.streaming-inputs {
	margin-top: 10px; /* Reduced the margin */
	padding: 10px;
	background: #ffffff;
	border: 1px solid #ddd;
	border-radius: 5px;
	}
	.wave-progress {
	width: 10px; /* Adjust the height for the progress line width */
	}
	.tag-sticker {
	position: absolute;
	font-size: 16px;
	top: 0px; /* Adjusted top position to be above the title */
	left: 5px; /* Adjusted left position to align with the title */
	transform: rotate(-15deg);
	background-color: #ff5722;
	color: white;
	padding: 5px 5px;
	font-weight: bold;
	box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
	}
	.title-container {
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
	margin-bottom: 0; /* Reduce the margin-bottom to minimize space */
	}
	h1 {
	margin-bottom: -5px; /* Reduced the margin-bottom of the title */
	color: #000000;
	}
	h4{
	font-size: 18px;
	color: #000000;
	margin: 3px 0; /* Reduced the margin */
	}
	.slider-container {
	display: flex;
	align-items: center;
	margin-right: 10px;
	position: relative;
	}
	.slider-container label {
	margin-right: 10px;
	}
	#latencySlider {
	margin-right: 10px;
	}
	#latencyValueBox {
	display: inline-block;
	width: 50px;
	text-align: center;
	border: 1px solid #ddd;
	border-radius: 5px;
	padding: 3px;
	background-color: #fff;
	}
	</style>

	</head>
	<body>
	<div class="container">
	<div class="title-container">
	<div class="tag-sticker"> ACL 2024 </div>
	<h1>StreamSpeech: Simultaneous Speech-to-Speech Translation with Multi-task Learning</h1>
	</div>
	<p><strong>Authors</strong>: Shaolei Zhang, Qingkai Fang, Shoutao Guo, Zhengrui Ma, Min Zhang, Yang Feng*</p>
	<h4>💡<strong>StreamSpeech</strong> is an <font color="red">"All in One" seamless model</font> for offline and simultaneous speech recognition, speech translation and speech synthesis under any latency.</h4>
	<div class="badges">
	<a href="https://arxiv.org/abs/2406.03049"><img src="https://img.shields.io/badge/arXiv-2406.03049-b31b1b.svg?logo=arXiv" alt="arXiv"></a>
	<a href="https://ictnlp.github.io/StreamSpeech-site/"><img src="https://img.shields.io/badge/%F0%9F%8E%A7%20Demo-Listen%20to%20StreamSpeech-orange.svg" alt="Demo"></a>
	<a href="https://huggingface.co/ICTNLP/StreamSpeech_Models/tree/main"><img src="https://img.shields.io/badge/%F0%9F%A4%97%20-StreamSpeech_Models-blue.svg" alt="StreamSpeech Models"></a>
	<a href="https://github.com/ictnlp/StreamSpeech"><img src="https://img.shields.io/github/stars/ictnlp/StreamSpeech?style=social&label=GitHub+Repo" alt="Visitors"></a>
	</div>
	<form id="uploadForm">
	<div class="slider-container">
	<label for="latencySlider">Latency (ms): </label>
	<input type="range" id="latencySlider" name="latency" min="320" max="5000" value="320" step="10" oninput="updateLatencyLabel(this)">
	<div id="latencyValueBox">320</div>
	</div>
	<input type="file" id="fileInput" name="file" required>
	<button type="submit" id="uploadButton" disabled>Upload</button>
	</form>
	<div class="streaming-inputs">
	<h2>Streaming Inputs</h2>
	<div id="waveform"></div>
	<button id="playButton" disabled>▶Play/Pause</button>
	</div>
	<br><br>
	<div class="results">
	<h2 class="result-title">Streaming Speech Recognition<br></h2>
	<div id="asrResult" class="result-content"><br></div> <!-- Ensure empty line initially -->
	</div>
	<div class="results">
	<h2 class="result-title">Simultaneous Speech-to-Text Translation</h2>
	<div id="translationResult" class="result-content2"><br></div> <!-- Ensure empty line initially -->
	</div>
	<div class="results">
	<h2 class="result-title">Simultaneous Speech-to-Speech Translation</h2>
	<div id="outputWaveform"></div>
	</div>
	</div>

	<script>
	var inputWaveSurfer, outputWaveSurfer;
	var asrInterval, translationInterval;
	var playButton = document.getElementById('playButton');

	// Listen for changes in the file input
	document.getElementById('fileInput').addEventListener('change', function() {
	var uploadButton = document.getElementById('uploadButton');
	if (this.files.length > 0) {
	uploadButton.disabled = false;
	uploadButton.style.backgroundColor = '#4CAF50'; // Change color to green
	} else {
	uploadButton.disabled = true;
	uploadButton.style.backgroundColor = '#ddd'; // Change back to gray
	}
	});

	document.getElementById('uploadForm').addEventListener('submit', function(event) {
	event.preventDefault();
	var formData = new FormData();
	var fileInput = document.getElementById('fileInput');
	var file = fileInput.files[0];
	formData.append('file', file);

	// Get the latency value
	var latency = document.getElementById('latencySlider').value;

	fetch('/upload', {
	method: 'POST',
	body: formData
	})
	.then(response => response.text())
	.then(filepath => {
	var filename = filepath.split('/').pop();
	refreshResults(); // Refresh results area

	if (inputWaveSurfer) {
	inputWaveSurfer.destroy();
	}
	if (outputWaveSurfer) {
	outputWaveSurfer.destroy();
	}

	inputWaveSurfer = WaveSurfer.create({
	container: '#waveform',
	waveColor: '#ffffff',
	progressColor: 'blue',
	normalize: true, // Add normalize to input waveform
	// barWidth:1.0,
	splitChannels: true, // Split channels for left and right output
	channel: 'left', // Left channel for inputWaveSurfer
	progressClass: 'wave-progress' /* Custom class for progress line */

	});

	inputWaveSurfer.on('ready', function() {
	outputWaveSurfer = WaveSurfer.create({
	container: '#outputWaveform',
	waveColor: '#f9f9f9', // Audio Result: blue color
	progressColor: 'orange', // Blue progress color
	// barWidth:1.0,
	splitChannels: true, // Split channels for left and right output
	channel: 'right', // Left channel for inputWaveSurfer
	normalize: true // Add normalize to output waveform
	});

	outputWaveSurfer.load(`/uploads/output/${filename}`);

	playButton.disabled = false;
	playButton.style.backgroundColor = '#4CAF50'; // Change color to green

	// Ensure old event listeners are removed before adding new ones
	playButton.removeEventListener('click', playPauseHandler);
	playButton.addEventListener('click', playPauseHandler);

	inputWaveSurfer.on('play', function() {
	outputWaveSurfer.play();
	outputWaveSurfer.seekTo(inputWaveSurfer.getCurrentTime() / inputWaveSurfer.getDuration());

	updateASRResult(inputWaveSurfer.getCurrentTime());
	updateTranslationResult(inputWaveSurfer.getCurrentTime());

	asrInterval = setInterval(function() {
	updateASRResult(inputWaveSurfer.getCurrentTime());
	}, 320);

	translationInterval = setInterval(function() {
	updateTranslationResult(inputWaveSurfer.getCurrentTime());
	}, 320);
	});

	inputWaveSurfer.on('pause', function() {
	outputWaveSurfer.pause();
	clearInterval(asrInterval);
	clearInterval(translationInterval);
	});

	inputWaveSurfer.on('seek', function() {
	var seekTime = inputWaveSurfer.getCurrentTime() / inputWaveSurfer.getDuration();
	outputWaveSurfer.seekTo(seekTime);
	});

	inputWaveSurfer.on('finish', function() {
	updateASRResult(inputWaveSurfer.getCurrentTime());
	updateTranslationResult(inputWaveSurfer.getCurrentTime());
	});
	});

	// Pass the latency parameter to the server
	inputWaveSurfer.load(`/uploads/${filename}?latency=${latency}`);
	})
	.catch(error => console.error('Error:', error));
	});

	function refreshResults() {
	document.getElementById('asrResult').innerText = ''; // Clear ASR result and preserve empty line
	document.getElementById('translationResult').innerText = ''; // Clear translation result and preserve empty line
	document.getElementById('outputWaveform').innerHTML = ''; // Clear output waveform
	document.getElementById('waveform').innerHTML = ''; // Clear input waveform
	if (inputWaveSurfer) {
	inputWaveSurfer.destroy();
	inputWaveSurfer = null;
	}
	if (outputWaveSurfer) {
	outputWaveSurfer.destroy();
	outputWaveSurfer = null;
	}
	}

	function playPauseHandler() {
	if (inputWaveSurfer) {
	inputWaveSurfer.playPause();
	}
	if (outputWaveSurfer) {
	outputWaveSurfer.playPause();
	}
	}

	function updateASRResult(currentTime) {
	fetch(`/asr/${currentTime}`)
	.then(response => response.json())
	.then(data => {
	document.getElementById('asrResult').innerText = data.result \|\| '\n'; // Preserve empty line
	});
	}

	function updateTranslationResult(currentTime) {
	fetch(`/translation/${currentTime}`)
	.then(response => response.json())
	.then(data => {
	document.getElementById('translationResult').innerText = data.result \|\| '\n'; // Preserve empty line
	});
	}
	function updateLatencyLabel(slider) {
	var latencyValueBox = document.getElementById('latencyValueBox');
	latencyValueBox.innerText = slider.value;
	}

	document.getElementById('uploadForm').addEventListener('change', function() {
	var fileInput = document.getElementById('fileInput');
	var uploadButton = document.getElementById('uploadButton');
	uploadButton.disabled = !fileInput.value;
	});
	</script>
	</body>
	</html>