Product Overview


Microsoft believes that the future of connected television and web video delivery depend on the establishment of standards for DRM interoperability that are compatible with adaptive streaming standards. Since 2008, Microsoft has been a key contributor to the establishment of key international standards that together are shaping the convergence of broadcast and broadband content delivery to all types of devices.

Microsoft PlayReady supports the following standards efforts:


PlayReady 4.0 supports CMAF interoperable format with AES-CBC and AES-CTR encryption. More news on PlayReady 4.0 and support in Windows 10 and XBox coming soon!


ISO/IEC 23001-7: 2015, "Information technology – MPEG systems technologies – Part 7: Common encryption in ISO base media file format files"


ISO/IEC 23009-1:2012, "Information technology — Dynamic adaptive streaming over HTTP (DASH) — Part 1: Media presentation description and segment formats,"


"Common File Format & Media Formats Specification," Digital Entertainment Content Ecosystem (DECE)


"Online Multimedia Authorization Protocol," Open Authentication Technical Committee,

HTML5 Media Extensions

W3C Web and TV Interest Group,

"Encrypted Media Extensions," W3C Editor’s Draft 30 November 2015, Google, Microsoft & Netflix,

"Media Source Extensions," W3C Editor’s Draft 10 November 2015, Google, Microsoft & Netflix,