1.0 Introduction
This document describes a sample-level encryption format for several types of elementary streams that can be carried in MPEG-2 transport streams ISO/IEC 13818-1 and MPEG elementary audio streams. This format is used by the HTTP Live Streaming protocol.
This document specifies:
How the media data of audio and video streams are encrypted.
How encrypted streams are identified in the transport stream.
How audio setup information is carried.
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