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 identifiers. There is no single standard for metadata content identifiers which makes mapping alternate identifiers across ecosystems commonplace, but no less cumbersome. . . . Read more
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 manually or using a professional metadata library such as Gracenote.
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 or data for search and retrieval.
MP3 is a compressed audio file format standardized by MPEG. An MP3 file includes a header, metadata and compressed audio.
Technique to allow a UE (User Equipment) to access services which are hosted close to the serving base station. It brings application hosting from centralized data centers down to the network edge to be closer to consumers. Goal is to achieve an efficient service delivery through the lower end-to-end latency . . . Read more
Term used when separate encryption key is assigned to each video tracks and audio track per content. For example, separate content keys may be used for each category of SD, HD, 4K (UHD1), 8K (UHD2) and AUDIO streams for HLS/DASH.
A one-to-many network traffic distribution mechanism. Multicast stands in contrast to unicast (one-to-one) network traffic transactions. Broadcast (one-to-all) is the other traffic delivery scheme which is only used and feasible in very limited settings. Multicast has been mainly used with the traditional live broadcast type of delivery.
Technology which permits to multicast media objects that are common in HTTP-based streaming protocols. In one instantiation, it is composed of two components: one server to create a multicast feed from the HTTP unicast (with the several quality layers) and one client able to transform back the multicast to an . . . Read more
Non-live content is video content that is not meant to be watched in real time as it is happening (see Live Content). Examples include a movie, a show series, etc. In contrast to live content, non-live content is only made available for consumption to viewers sometime after the content was . . . Read more
A Perceptual Video Quality (PVQ) evaluation technique, based on mathematical models, where computer algorithms rate the quality of the video, i.e., video quality is not rated by human subjects (see Subjective Quality Assessment). Objective Video Quality assessments strive to approximate Subjective Video Quality results. Objective Video Quality evaluations can be . . . Read more
