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AWS Elemental Inference Adds AI-Powered Live Subtitles

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AWS Elemental Inference now offers AI-powered "Smart Subtitles" for live video streams, automatically generating real-time captions in TTML format across multiple languages. This feature aims to improve accessibility and reduce the need for manual captioning or third-party services for broadcasters and streamers. Users can enhance transcription accuracy via custom dictionaries and benefit from existing integrations with AWS Elemental MediaLive and other Elemental Inference capabilities.

  • →AI-powered Smart Subtitles for live video captioning
  • →Support for multiple languages and custom dictionaries
  • →Integration with existing Elemental Inference features and pricing
Features (1) ›
  • AI-powered Smart Subtitles for live video captioning

    AWS Elemental Inference introduces "Smart Subtitles," an AI feature that automatically transcribes spoken audio in live video streams to generate real-time subtitles in TTML format. This aims to make content more accessible to viewers without requiring manual intervention or external services.

Enhancements (2) ›
  • Support for multiple languages and custom dictionaries

    The Smart Subtitles feature supports English (US, GB, AU), French, German, Italian, Portuguese, and Spanish, and can be integrated with AWS Elemental MediaLive. Transcription accuracy can be improved for specialized content by creating custom dictionaries through the AWS Elemental Inference API or console.

  • Integration with existing Elemental Inference features and pricing

    Smart subtitles function alongside other Elemental Inference features like smart cropping and clip generation. Users benefit from non-linear pricing that lowers per-feature costs when multiple features are used concurrently on the same content.

Read the original announcement →

https://aws.amazon.com/about-aws/whats-new/2026/05/elemental-inference-subtitles

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