Encrypted Media

Encrypted Media Extensions.

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Related resources

• Common Encryption - ISO/IEC 23001-7Defines encryption of media supported for receiving devices
• HDCP on HDMI Specification Rev 2.3Official Digital Content Protection LLC specification covering HDCP authentication, revocation, and encryption over HDMI.
• HDCP Specifications IndexOfficial hub for all HDCP specification variants (HDMI, DisplayPort, HDBaseT, WHDI) plus errata, from the licensing authority.
• CTA-5001-C: WAVE Content SpecificationOfficial CTA WAVE spec mandating cenc/cbcs CMAF encryption schemes for interoperable streaming devices.
• MPEG-B Part 7: Common Encryption (CENC) overviewMPEG's own free overview page for ISO/IEC 23001-7 Common Encryption, explaining cenc/cbc1/cens/cbcs schemes.
• Cable BibleA guide to cables and connectors used for audiovisual tech - amiaopensource/cable-bible
• VSF Technical Recommendations IndexOfficial Video Services Forum index linking all TR-06-x RIST specification PDFs (Simple/Main/Advanced profiles and extensions).
• ITU-R BT.2100-3 — Image Parameter Values for HDR-TVLatest (Feb 2025) official ITU-R recommendation defining PQ and HLG transfer functions and HDR-TV image parameters for production/exchange.
• Report ITU-R BT.2408-5 — Operational Practices for HDR TV ProductionOfficial ITU-R guidance report on HDR TV production operational practices: gamma/exposure handling, best-practice workflows.
• Ultra HD Forum GuidelinesIndustry guidelines produced by the Ultra HD Forum, covering end-to-end workflows for Ultra HD content (4K, HDR, Wide Color Gamut, Next-Gen…