ISO/IEC 21000-16:2005规定了二进制格式，以有效地序列化其他ISO/IEC 21000部分中规定的基于XML的描述。MPEG-21二进制格式能够高效地交换或存储ISO/IEC 21000描述。 ISO/IEC 21000（MPEG-21）定义了一个开放的多媒体交付和消费框架，内容创建者和内容消费者都是焦点。MPEG-21的愿景是定义一个多媒体框架，以便在不同社区使用的各种网络和设备上透明和增强地使用多媒体资源。

ISO/IEC 21000-16:2005 specifies the binary format to efficiently serialize XML-based descriptions as specified within other ISO/IEC 21000 parts. The MPEG-21 binary format enables the efficient interchange or storage of ISO/IEC 21000 descriptions. ISO/IEC 21000 (MPEG-21) defines an open framework for multimedia delivery and consumption, with both the content creator and content consumer as focal points. The vision for MPEG-21 is to define a multimedia framework to enable transparent and augmented use of multimedia resources across a wide range of networks and devices used by different communities.