ISO/IEC 14496-11:2005

ISO/IEC 14496-11:2005 specifies the coded representation of interactive audio-visual scenes and applications.
It specifies the following tools:
the coded representation of the spatio-temporal positioning of audio-visual objects as well as their behaviour in response to interaction (scene description);the coded representation of synthetic two-dimensional (2D) or three-dimensional (3D) objects that can be manifested audibly and/or visually;the Extensible MPEG-4 Textual (XMT) format, a textual representation of the multimedia content described in ISO/IEC 14496 using the Extensible Markup Language (XML); anda system level description of an application engine (format, delivery, lifecycle, and behaviour of dowloadable Java byte code applications).