Real-time speech transcription using OpenAI's Realtime API - a demonstration of realtime transcription

• Real-time Transcription: Live speech-to-text conversion as you speak
• Language Support: Transcribe in multiple languages (English, Spanish, French, German, Italian, Portuguese, Chinese, Japanese, Korean)
• Delay Setting: Control transcription latency

This app uses OpenAI's Realtime API in transcription-only mode:

1. Your voice is captured via WebRTC
2. Audio is streamed to OpenAI's transcription service
3. Transcriptions are returned in real-time

1. Click "Start" to begin transcription
2. Allow microphone access when prompted
3. Start speaking - transcriptions appear in real-time
4. Click "Stop" to end the session

• GET / - Serves the transcription interface
• POST /rtc - Creates a WebRTC transcription session
• POST /observer/:callId - WebSocket observer for transcription events

Set in your Val Town environment:

• OPENAI_API_KEY - Your OpenAI API key (required)

# Install Deno
curl -fsSL https://deno.land/install.sh | sh

# Run locally
deno run --allow-all main.tsx

1. Fork/remix this val on Val Town
2. Add your OPENAI_API_KEY to Val Town secrets
3. Your app will be available at https://[your-val-name].val.run