Windows Media Format SDK Technology Page

Welcome to the online home of the Windows Media Format Software Development Kit (SDK). This page provides lnks to the resources you need to work with Advanced Systems Format (ASF) files and the Windows Media format.

---

Essential Resources Windows Media Format 11 SDK Download the latest version of the Windows Media Format SDK. Windows Media Format 11 SDK Documentation Discover new features that support Windows Media DRM in the Windows Media Format 11 SDK. Release Notes for Windows Media Format 11 SDK Get late-breaking information about the Windows Media Format 11 SDK. Windows Media Format 9.5 SDK Download the most recent release of the Windows Media Format SDK. This install package includes the Windows Media Device Manager SDK and the Windows Media Audio and Video codec interfaces. Readme for the Windows Media Format 9.5 SDK Get late-breaking details and other helpful information that supplements the Microsoft Windows Media Format 9.5 Software Development Kit. Windows Media SDK Newsgroup Discuss the Windows Media Format SDK with other developers. This newsgroup covers development topics that span the Windows Media technologies.

Other Resources Windows Media Metadata Usage Guidelines Learn how to use Windows Media metadata attributes with this consolidated reference, including attributes containing descriptive data about the media content. Windows Media DRM Individualization Best Practices Discover the essentials of Windows Media Digital Rights Management (DRM) security updates and learn how to perform them with a process known as individualization. This article is intended as a resource for application developers who use the Windows Media Format SDK, though it contains some conceptual material that may be of interest to other developers who use Windows Media DRM. Advanced Systems Format (ASF) Specification Download the latest version of the ASF specification. When you use the objects of the Windows Media Format SDK to read, write, and edit ASF files, you do not need to know the details of the ASF structure. However, a familiarity with the specification might be useful in understanding how the SDK works.