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THE STREAMING VIDEO KNOWLEDGE BASE
Explore the world of streaming video.
Definitions, diagrams and technical knowledge, connected.
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29 articles
Logical Asset Identifier
A Logical Asset Identifier (ALID) is a relational ID that links business metadata such as avails to an audiovisual content experience.
Read articleMedia Presentation Description (MPD)
Media Presentation Description (MPD) is a manifest file that contains information about content that is streamed using MPEG-DASH. MPD is an XML document that contains metadata that a…
Read articleMetadata
The term metadata means simply, data about the data. It is how one set of data is used to describe other data. Metadata falls into several primary categories…
Read articleMetadata Aggregator
Metadata aggregators facilitate the connection of disparate sources of data and/or provide the means for others to connect to the data stored in their repositories through common content…
Read articleMetadata Enhancement
A process where descriptive metadata is reviewed and edited or added to in order to increase the overall value of the content package. Metadata enhancement can be performed…
Read articleMetadata Mapping
A set of correspondences between terms, fields, or element names used for translating data from one standard or vocabulary into another, or as a means of combining terms…
Read articleSupplemental Enhancement Information (SEI)
Supplemental Enhancement Information (SEI) is data that can be embedded within H.264 or H.265 video streams and can be used for various purposes, such as signaling information to…
Read articleTechnical Metadata
Data that describes technical properties of media assets, system interfaces, transmission or playback. This information is typically generated and used for programmatic purposes but may also be displayed…
Read articleTemporal Metadata
Type of descriptive metadata that is associated with a specific time or time range within the video. Temporal metadata, also known as time-based metadata, can show what brands,…
Read articleVertical Blanking Interval (VBI)
Vertical Blanking Interval (VBI) is a period of time within the vertical blanking period of a video signal. It is a fundamental component of analog television and some…
Read articleVertical Interval Timecode (VITC)
Vertical Interval Timecode (VITC) is a method of encoding timecode information into the VBI of a video signal, typically an analog video signal like NTSC or PAL. VITC…
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