Audio Transcription

// Capture audio from microphone
const mediaRecorder = new MediaRecorder(stream, { 
  mimeType: 'audio/webm' 
});

const audioChunks = [];
mediaRecorder.ondataavailable = (event) => {
  audioChunks.push(event.data);
};

mediaRecorder.onstop = async () => {
  const audioBlob = new Blob(audioChunks, { type: 'audio/webm' });
  
  // Convert to base64
  const reader = new FileReader();
  reader.readAsDataURL(audioBlob);
  reader.onloadend = async () => {
    const base64Audio = reader.result.split(',')[1];
    
    // Send to transcription API
    const response = await fetch('http://localhost:3001/api/transcribe', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({
        audio: base64Audio,
        language: 'en'
      })
    });
    
    const result = await response.json();
    console.log('Transcription:', result.text);
  };
};

// Start recording
mediaRecorder.start();

{
  "text": "Hello, this is a test of the transcription API.",
  "language": "en",
  "duration": 342
}