PCM16 encoding for the OpenAI Realtime API — a practical guide

📰 Medium · JavaScript

Learn to implement PCM16 encoding for streaming audio with the OpenAI Realtime API in JavaScript

intermediate Published 28 Apr 2026
Action Steps
  1. Stream audio from the browser using JavaScript
  2. Configure the audio stream to use PCM16 encoding
  3. Test the encoded audio stream with the OpenAI Realtime API
  4. Apply error handling for incompatible audio formats
  5. Compare the performance of different encoding settings
Who Needs to Know This

Developers working with audio streaming and AI APIs, such as software engineers and data scientists, can benefit from this guide to ensure compatible audio encoding

Key Insight

💡 PCM16 encoding is required for compatible audio streaming with the OpenAI Realtime API

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🔊 Implement PCM16 encoding for OpenAI Realtime API audio streaming with this practical JavaScript guide

Key Takeaways

Learn to implement PCM16 encoding for streaming audio with the OpenAI Realtime API in JavaScript

Full Article

You’re streaming audio from the browser. The API expects PCM16. Here’s what the implementation actually looks like and the things worth… Continue reading on Medium »
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