The KS X ISO/IEC 14496-21-2008 (2023) standard, published by the Korea Agency for Technology and Standards (KATS), is an extension to the MPEG-J Graphical Framework eXtension (GFX) as part of the broader Information Technology - Coding of Audio-Visual Objects series. This specific part focuses on enhancing the capabilities of multimedia content encoding and delivery through advanced graphical framework extensions, aimed at providing a richer interactive experience for users in various applications such as mobile devices, digital signage, and web-based services. The standard builds upon previous work within the ISO/IEC 14496 series to offer more efficient ways of handling graphics in conjunction with audio and video data streams, ensuring compatibility across different platforms and technologies while maintaining high levels of performance and quality.
*** Please note: This description may not be accurate, please refer to the official documentation.