CMAF Tech Brief

This document provides an explanation of the Common Media Application Format (CMAF) and the Alliance’s position on it within a streaming video workflow.

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.

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