w3c/encrypted-media

Encrypted Media Extensions

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Jul 8, 2026

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w3c.github.io/encrypted-media/

README

Encrypted Media Extensions

This is the repository for the Encrypted Media Extensions Editor's Draft, which is maintained by the W3C Media Working Group.

The latest Editor's Draft is at https://w3c.github.io/encrypted-media/, together with Editor's Drafts of the following registries and registry entries:

Encrypted Media Extensions Initialization Data Format Registry
Encrypted Media Extensions Stream Format Registry
- ISO Common Encryption Protection Scheme for ISO Base Media File Format Stream Format
- WebM Stream Format
Encrypted Media Extensions HDCP Version Registry

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