1 Scope
This part of IEC 62766
specifies media formats for adaptive unicast content streaming over HTTP.
Two HTTP adaptive streaming formats are specified. The first is based entirely on
MPEG DASH. The second is the OIPF “HTTP adaptive streaming” (HAS) format, which is based
upon 3GPP’s release 9 adaptive HTTP streaming (AHS) format, with some profiling and extensions
to add the features of media components and support for MPEG-2 transport stream contentsegment format. The latter format was specified before MPEG DASH had been published. It is retained due to usage in some legacy applications.