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Adaptive Bitrate
Application Programming Interface
Common Media Application Format
Common Media Client Data
Common Media Server Data
Content Delivery Network
Coordinated Universal Time
Digital Rights Management
Digital Rights Management (CDN)
Encoder Boundary Point

Category: Encoding and Packaging

Encoder-Decoder

Hardware or software that encodes or decodes a data stream (e.g. audio, video, closed captions).

Advanced Video Coding

Video compression standard, published in 2004, with the goal to succeed MPEG-2/H.262 by reducing bitrate up to 50% while maintaining the same perceptual video quality (PVQ).

CMAF Chunk

A chunk contains a sequential subset of samples from a fragment.

CMAF Segment

A sequence of one or more consecutive fragments from the same track.

CMAF Fragment

Smallest referenceable unit in CMAF containing at least a MovieFragmentBox (moof) and a MediaDataBox (mdat) atom.

Vorbis

Vorbis is an open-source royalty-free audio compression format developed as a replacement for proprietary audio encoding formats such as MP3 and AAC.

Manifest

A manifest refers to a text file that describes other files that can be fetched as part of Adaptive Bitrate Streaming (ABR). A master manifest is a text file which describes a list of rendition manifests along with the resolution, bitrate, location (URL) and other details of each rendition. A rendition

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