ISO/IEC 23000-6:2009 信息技术 多媒体应用格式（MPEG-A） 第6部分：专业档案应用格式
标准编号：ISO/IEC 23000-6:2009
中文名称：信息技术 多媒体应用格式（MPEG-A） 第6部分：专业档案应用格式
英文名称：Information technology — Multimedia application format (MPEG-A) — Part 6: Professional archival application format
发布日期：2009-04
标准范围
ISO/IEC 23000-6:2009规定了专业档案应用格式（PA-AF）。PA-AF的目的是为数字文件提供标准化的打包格式。这种打包格式还可以作为开放档案信息系统（OAIS）参考模型指定的信息包的实现。OAIS参考模型是一个框架，用于理解和应用长期数字信息保存所需的概念（其中“长期”足够长，足以关注不断变化的技术）。此外，PA-AF还可以用作任何类型多媒体内容的中间或交换打包格式。虽然一般的归档过程可能包括从创建到交付到归档系统，以及向消费者传播的过程，但PA-AF的范围有限，如下所示。PA-AF没有指定如何创建输入内容。PA-AF没有就如何处理内容并将其交付给归档流程规定任何协议。PA-AF假定存档过程的输入内容以适当的数字格式提供。PA-AF指定了存档过程中产生的数字存档的格式。PA-AF没有指定归档过程的归档输出如何传播给最终用户。PA-AF指定一种元数据格式，用于描述归档在PA-AF文件中的数字文件的原始结构。PA-AF指定了一种元数据格式，用于描述与PA-AF文件及其存档的数字文件相关的上下文信息。PA-AF指定了一种元数据格式，用于描述在将数字文件归档到PA-AF文件之前逆转应用于数字文件的预处理过程所需的信息。PA-AF为元数据格式和数字文件的传输指定了一种文件格式。
ISO/IEC 23000-6:2009 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 pre-processing 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.
标准预览图
