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ISO/IEC 23000-6 2nd Edition, September 15, 2012 Information technology - Multimedia application format (MPEG-A) - Part 6: Professional archival application format
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Availability date: 07/13/2021
Description / Abstract:
This part of ISO/IEC 23000 specifes the professional archival
application format (PA-AF). The purpose of the PA-AF is to provide
a standardized packaging format for digital files. This packaging
format can also serve as an implementation of the information
package specified by the reference model of the open archival
information system (OAIS). The OAIS reference model is a framework
for understanding and applying concepts necessary for long-term
digital information preservation (where "long-term" is long enough
to be concerned about changing technologies). In addition, PA-AF
can also be used as an intermediate or exchange packaging format
for any kind of multimedia content.
While a general archival process may include processes starting
from creation, to delivery to archival system, and dissemination to
consumers, PA-AF is limited in scope as follows. PA-AF does not
specify how input content is created. PA-AF does not specify any
agreement of how the content should be handled and delivered to the
archiving process. PA-AF assumes that input content for the
archiving process is available in an appropriate digital format.
PA-AF specifies the format of a digital archive produced by the
archival process. PA-AF does not specify how the archive output by
the archival process is disseminated to end-users.
PA-AF specifies a metadata format to describe the original
structure of digital files archived in a PA-AF file. PA-AF
specifies a metadata format to describe context information related
to a PA-AF file and digital files archived in it. PA-AF specifies a
metadata format to describe necessary information to reverse the
preprocessing processes applied to digital files prior to archiving
them in a PA-AF file. PA-AF specifies a file format for carriage of
the metadata formats and digital files.