83 lines
2.6 KiB
HTML
83 lines
2.6 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Real-time Speech Recognition</title>
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</head>
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<body>
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<button id="start">Start Recording</button>
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<button id="stop" disabled>Stop Recording</button>
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<div id="output"></div>
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<script>
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const startButton = document.getElementById('start');
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const stopButton = document.getElementById('stop');
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const outputDiv = document.getElementById('output');
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let mediaRecorder;
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let socket;
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// 初始化 WebSocket
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function initWebSocket() {
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socket = new WebSocket('ws://127.0.0.1:8080/speech-recognition'); // 确保端口正确
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socket.onopen = () => {
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console.log('WebSocket connection established');
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startButton.disabled = false;
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};
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socket.onmessage = (event) => {
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const result = JSON.parse(event.data);
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outputDiv.innerHTML += `<p>${result.text}</p>`;
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};
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socket.onclose = () => {
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console.log('WebSocket connection closed');
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// 尝试重连
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setTimeout(() => {
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console.log('Reconnecting WebSocket...');
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initWebSocket();
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}, 3000); // 3 秒后重连
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};
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socket.onerror = (error) => {
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console.error('WebSocket error:', error);
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};
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}
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// 开始录音
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startButton.addEventListener('click', async () => {
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const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
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mediaRecorder = new MediaRecorder(stream, { mimeType: 'audio/webm; codecs=opus' }); // 使用 Opus 编码
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mediaRecorder.ondataavailable = (event) => {
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if (event.data.size > 0) {
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const reader = new FileReader();
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reader.onload = () => {
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if (socket.readyState === WebSocket.OPEN) { // 检查 WebSocket 状态
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const audioData = reader.result;
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socket.send(audioData); // 发送音频数据
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} else {
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console.error('WebSocket is not open. Current state:', socket.readyState);
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}
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};
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reader.readAsArrayBuffer(event.data);
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}
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};
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mediaRecorder.start(1000); // 每 1 秒发送一次数据
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startButton.disabled = true;
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stopButton.disabled = false;
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});
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// 停止录音
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stopButton.addEventListener('click', () => {
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mediaRecorder.stop();
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startButton.disabled = false;
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stopButton.disabled = true;
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});
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// 初始化 WebSocket
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initWebSocket();
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</script>
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</body>
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</html> |