Microsoft Windows Media Resource Kit (Pro-Resource Kit)

See definition for: discretionary access control list (DACL)

To convert encrypted content back into its original form.

To combine the interlaced fields in a video frame so that, during playback, the lines of the video frame are painted sequentially. See also: interlace

A video frame that contains only the changes from the previous frame. In contrast, a key frame contains all the data necessary to construct that frame.

A technology that provides a persistent level of protection to digital content by encrypting it with a cryptographic key. Authorized recipients (or end users) must acquire a license in order to unlock and consume the content.

The part of an object’s security descriptor that grants or denies specific users and groups permission to access the object. Only the owner of an object can change permissions granted or denied in a DACL; access to the object is thus at the owner’s discretion.

A server running Windows Media Services that publishes content received from another streaming source, such as an encoder or another Windows Media server.

To transfer a file over a network in response to a request from the device that receives the data. Downloaded content is kept on the receiving device for playback on demand. In contrast, streamed content is played as it is delivered.

See definition for: digital rights management (DRM)

The difference (in decibels) between the quietest and loudest sounds in a single piece of audio content.