ISO IEC 14496-1-2010 PDF

Full title and description

ISO/IEC 14496-1:2010 — Information technology — Coding of audio-visual objects — Part 1: Systems. Specifies the systems-layer functionality for MPEG-4: management and signalling of elementary streams, synchronization, identification, description, association and multiplexing of timed audio-visual data, and interfaces for metadata and intellectual property management.

Abstract

ISO/IEC 14496-1:2010 defines the systems-level tools required to represent, manage and deliver interactive audio-visual scenes. It covers coded representations and signalling for synchronization, identification, description and association of elementary streams, multiplexed stream formats, terminal models for timing and buffering, metadata constructs and interfaces to intellectual property management and protection (IPMP) systems. The 2010 edition incorporates amendments addressing LASeR usage and registration of MPEG-4 descriptors, and later support for raw audio-visual data.

General information

• Status: Published (Edition 4, confirmed by ISO in 2021; under revision process at ISO for a 5th edition).
• Publication date: 20 May 2010 (Edition recorded June 2010).
• Publisher: ISO/IEC (developed by ISO/IEC JTC 1/SC 29 — Coding of audio, picture, multimedia and hypermedia information).
• ICS / categories: 35.040.40 (Coding of audio, video, multimedia and hypermedia information).
• Edition / version: 4 (2010).
• Number of pages: 144.

Scope

This part of ISO/IEC 14496 defines the systems layer for MPEG-4 implementations. Its scope covers the coded representation of information required to manage timed multimedia data: synchronization (timing and clocking), identification and description of elementary streams and objects, association of streams into scenes and presentations, multiplexing of elementary streams into a single bitstream, terminal models for timing and buffer management, and interfaces to metadata and IPMP. Transport-layer specifics (e.g., MPEG-2 TS, RTP) are outside the standard’s scope except for standardized interfaces.

Key topics and requirements

• Systems-layer architecture for MPEG-4 presentations and interactive scenes.
• Signalling and metadata for identification, description and association of elementary streams and objects.
• Synchronization models (timing, clocks, and temporal alignment across streams).
• Multiplexing rules and structures for combining audio, video and other elementary streams.
• Terminal model: timing, buffering and presentation control requirements.
• Interfaces to intellectual property management and protection (IPMP).
• Registration and descriptor mechanisms (Registration Authority / descriptor management).
• Amendments support: usage of LASeR in systems (Amd 1:2010) and support for raw audio-visual data (Amd 2:2014).
• Interoperability considerations with file formats and transports (ISO base media file format, MP4, RTP, MPEG-2 TS).

Typical use and users

Implementers of multimedia players, packagers and servers; developers of file formats and streaming systems; device and chipset manufacturers; application developers for interactive multimedia; content distribution and streaming service engineers; conformance test labs and standards committees; and researchers working on multimedia systems and content packaging.

Related standards

Other parts of the ISO/IEC 14496 (MPEG-4) suite are closely related, for example Part 2 (Visual), Part 3 (Audio), Part 12 (ISO base media file format) and Part 14 (MP4 file format). ISO/IEC 14496-1 also references IPMP extensions (Part 13), scene description parts and other MPEG transport specifications (e.g., MPEG-2 Transport Stream, RTP profiles) for carriage over networks. The 2010 edition is accompanied by two amendments (2010 and 2014) and a 5th edition is/was under ISO development to consolidate updates.

Keywords

MPEG-4, Systems, ISO/IEC 14496-1, synchronization, multiplexing, elementary streams, metadata, IPMP, LASeR, registration, MP4, ISO base media file format.

FAQ

Q: What is this standard?

A: ISO/IEC 14496-1:2010 is the Systems part of the MPEG-4 family. It specifies the systems-layer mechanisms used to describe, synchronize, multiplex and manage audio-visual objects and streams within MPEG-4 presentations.

Q: What does it cover?

A: It covers systems-level constructs: metadata and descriptors for stream identification and association, synchronization and timing models, multiplexing formats, a terminal model for timing/buffering, and interfaces for IP management and protection. It does not specify low-level video or audio codecs (covered in other parts) nor every transport protocol, although it defines interfaces to transport layers.

Q: Who typically uses it?

A: Software and hardware implementers of multimedia players, packagers and streaming servers, chipset and device vendors, content and platform engineers, test laboratories, and standards/interop working groups.

Q: Is it current or superseded?

A: As of 2 March 2026 the published 2010 (4th) edition remains the current publicly available ISO/IEC standard and was confirmed by ISO in 2021. A 5th edition (listed as ISO/IEC PRF 14496-1 / edition 5) has been under development at ISO (approval/FDIS stages) and is intended to replace the 2010 edition when finalized. Users should check the ISO catalogue or national standards bodies for any publication of edition 5 or further amendments before relying on a later edition.

Q: Is it part of a series?

A: Yes — it is Part 1 of the ISO/IEC 14496 series (MPEG-4 "Coding of audio-visual objects"). The series includes parts for visual coding, audio coding, file formats, delivery frameworks and other related technologies.

Q: What are the key keywords?

A: MPEG-4, systems, synchronization, multiplexing, metadata, elementary streams, IPMP, LASeR, MP4, ISO base media file format.