एसिंक्रोनस स्पीच टू टेक्स्ट

import { ElevenLabsClient } from '@elevenlabs/elevenlabs-js';
import 'dotenv/config';
import express from 'express';
const elevenlabs = new ElevenLabsClient();
const app = express();
app.use(express.json());
const WEBHOOK_SECRET = process.env.WEBHOOK_SECRET;
app.post('/webhook/speech-to-text', (req, res) => {
  try {
    const signature = req.headers['elevenlabs-signature'];
    const payload = JSON.stringify(req.body);
    let event;
    try {
      // Verify the webhook signature.
      event = await elevenlabs.webhooks.constructEvent(payload, signature, WEBHOOK_SECRET);
    } catch (error) {
      return res.status(401).json({ error: 'Invalid signature' });
    }
    if (event.type === 'speech_to_text.completed') {
      const { requestId, status, text, language_code } = event.data;
      console.log(`Transcription ${requestId} completed`);
      console.log(`Language: ${language_code}`);
      console.log(`Text: ${text}`);
      processTranscription(requestId, text, language_code);
    } else if (status === 'failed') {
      console.error(`Transcription ${requestId} failed`);
      handleTranscriptionError(requestId);
    }
    res.status(200).json({ received: true });
  } catch (error) {
    console.error('Webhook error:', error);
    res.status(500).json({ error: 'Internal server error' });
  }
});
async function processTranscription(requestId, text, language) {
  console.log('Processing completed transcription...');
}
async function handleTranscriptionError(requestId) {
  console.log('Handling transcription error...');
}
app.listen(3000, () => {
  console.log('Webhook server listening on port 3000');
});

import rateLimit from "express-rate-limit";
const webhookLimiter = rateLimit({
  windowMs: 15 * 60 * 1000, // 15 minutes
  max: 100, // limit each IP to 100 requests per windowMs
  message: "Too many webhook requests from this IP",
});
app.use("/webhook", webhookLimiter);

async function testWebhook() {
  const audioFile = new File([audioBuffer], "test.mp3", { type: "audio/mp3" });
  const result = await elevenlabs.speechToText.convert({
    file: audioFile,
    modelId: "scribe_v2",
    webhook: true,
  });
  console.log("Test transcription started:", result.requestId);
}