Precision Time Protocol (PTP) is a time standard. It enables other technologies, ex. the 2110 protocol, to keep accurate timing between audio, video, closed captioning and other metadata. It provides for higher precision than NTP (Network Time Protocol).
Electronic Programming Guide (EPG) is a digital guide that displays information about current and upcoming content on cable, satellite or streaming channels. At a glance an EPG will allow a user to browse available content so that they can determine what and when to watch content they are interested in.
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 the decoder or conveying metadata related to the video.
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 DASH client uses to construct HTTP URLs and provide streaming services to users.
ID3 is a metadata format that can be used to carry additional information in CMAF and transport streams.
Event Message (emsg) boxes are often used to carry proprietary metadata since no standardised methods include a latency timestamp.
File with .mov extension which uses QuickTime File Format (QTFF) multimedia container to store audio, video and metadata.
The evolution of content distribution models over the past decades has introduced a tremendous amount of flexibility for content processing and delivery. The availability of metadata, which provides information related to descriptive, business, and technical aspects of content, is needed to take advantage of advanced content streaming approaches. Commonly used
This is part two in a set of documents that specifies the motivational drivers, use cases, and standards for a configuration interface to facilitate interoperability within the content delivery network (CDN) and open caching ecosystem. This document presents the context and requirements for extending the Content Delivery Network Interconnection (CDNi)
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