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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>Audio Transcription</title>
<style>
body {
font-family: 'Inter', sans-serif;
text-align: center;
margin: 20px;
}
#recordButton {
width: 80px;
height: 80px;
font-size: 36px;
border: none;
border-radius: 50%;
background-color: white;
cursor: pointer;
box-shadow: 0 0px 10px rgba(0, 0, 0, 0.2);
transition: background-color 0.3s ease, transform 0.2s ease;
}
#recordButton.recording {
background-color: #ff4d4d;
color: white;
}
#recordButton:active {
transform: scale(0.95);
}
#transcriptions {
margin-top: 20px;
font-size: 18px;
text-align: left;
}
.transcription {
display: inline;
color: black;
}
.buffer {
display: inline;
color: rgb(197, 197, 197);
}
.settings-container {
display: flex;
justify-content: center;
align-items: center;
gap: 15px;
margin-top: 20px;
}
.settings {
display: flex;
flex-direction: column;
align-items: flex-start;
gap: 5px;
}
#chunkSelector,
#websocketInput {
font-size: 16px;
padding: 5px;
border-radius: 5px;
border: 1px solid #ddd;
background-color: #f9f9f9;
}
#websocketInput {
width: 200px;
}
#chunkSelector:focus,
#websocketInput:focus {
outline: none;
border-color: #007bff;
}
label {
font-size: 14px;
}
</style>
</head>
<body>
<div class="settings-container">
<button id="recordButton">🎙�</button>
<div class="settings">
<div>
<label for="chunkSelector">Chunk size (ms):</label>
<select id="chunkSelector">
<option value="500">500 ms</option>
<option value="1000" selected>1000 ms</option>
<option value="2000">2000 ms</option>
<option value="3000">3000 ms</option>
<option value="4000">4000 ms</option>
<option value="5000">5000 ms</option>
</select>
</div>
<div>
<label for="websocketInput">WebSocket URL:</label>
<input id="websocketInput" type="text" value="ws://takensofttesting.iptime.org:54127/asr" />
</div>
</div>
</div>
<p id="status"></p>
<div id="transcriptions"></div>
<script>
let isRecording = false;
let websocket = null;
let recorder = null;
let chunkDuration = 1000;
let websocketUrl = "ws://localhost:8000/asr";
// Tracks whether the user voluntarily closed the WebSocket
let userClosing = false;
const statusText = document.getElementById("status");
const recordButton = document.getElementById("recordButton");
const chunkSelector = document.getElementById("chunkSelector");
const websocketInput = document.getElementById("websocketInput");
const transcriptionsDiv = document.getElementById("transcriptions");
let fullTranscription = ""; // Store confirmed transcription
// Update chunk duration based on the selector
chunkSelector.addEventListener("change", () => {
chunkDuration = parseInt(chunkSelector.value);
});
// Update WebSocket URL dynamically, with some basic checks
websocketInput.addEventListener("change", () => {
const urlValue = websocketInput.value.trim();
// Quick check to see if it starts with ws:// or wss://
if (!urlValue.startsWith("ws://") && !urlValue.startsWith("wss://")) {
statusText.textContent =
"Invalid WebSocket URL. It should start with ws:// or wss://";
return;
}
websocketUrl = urlValue;
statusText.textContent = "WebSocket URL updated. Ready to connect.";
});
/**
* Opens webSocket connection.
* returns a Promise that resolves when the connection is open.
* rejects if there was an error.
*/
function setupWebSocket() {
return new Promise((resolve, reject) => {
try {
websocket = new WebSocket(websocketUrl);
} catch (error) {
statusText.textContent =
"Invalid WebSocket URL. Please check the URL and try again.";
reject(error);
return;
}
websocket.onopen = () => {
statusText.textContent = "Connected to server";
resolve();
};
websocket.onclose = (event) => {
// If we manually closed it, we say so
if (userClosing) {
statusText.textContent = "WebSocket closed by user.";
} else {
statusText.textContent = "Disconnected from the websocket server. If this is the first launch, the model may be downloading in the backend. Check the API logs for more information.";
}
userClosing = false;
};
websocket.onerror = () => {
statusText.textContent = "Error connecting to WebSocket";
reject(new Error("Error connecting to WebSocket"));
};
websocket.onmessage = (event) => {
const data = JSON.parse(event.data);
const { transcription, buffer } = data;
// Update confirmed transcription
fullTranscription += transcription;
// Update the transcription display
transcriptionsDiv.innerHTML = `
<span class="transcription">${fullTranscription}</span>
<span class="buffer">${buffer}</span>
`;
};
});
}
async function startRecording() {
try {
const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
recorder = new MediaRecorder(stream, { mimeType: "audio/webm" });
recorder.ondataavailable = (e) => {
if (websocket && websocket.readyState === WebSocket.OPEN) {
websocket.send(e.data);
}
};
recorder.start(chunkDuration);
isRecording = true;
updateUI();
} catch (err) {
statusText.textContent =
"Error accessing microphone. Please allow microphone access.";
}
}
function stopRecording() {
userClosing = true;
// Stop the recorder if it exists
if (recorder) {
recorder.stop();
recorder = null;
}
isRecording = false;
// Close the websocket if it exists
if (websocket) {
websocket.close();
websocket = null;
}
updateUI();
}
async function toggleRecording() {
if (!isRecording) {
fullTranscription = "";
transcriptionsDiv.innerHTML = "";
try {
await setupWebSocket();
await startRecording();
} catch (err) {
statusText.textContent =
"Could not connect to WebSocket or access mic. Recording aborted.";
}
} else {
stopRecording();
}
}
function updateUI() {
recordButton.classList.toggle("recording", isRecording);
statusText.textContent = isRecording
? "Recording..."
: "Click to start transcription";
}
recordButton.addEventListener("click", toggleRecording);
</script>
</body>
</html>