ISO/IEC 14496-26:2010/Cor 5:2012

Information technology - Coding of audio-visual objects - Part 26: Audio conformance - Technical Corrigendum 5

Technologies de l'information — Codage des objets audiovisuels — Partie 26: Conformité audio — Rectificatif technique 5

General Information

• Status: Published
• Publication Date: 12-Jun-2012
• ICS: 35.040 - Information coding
• ICS: 35.040.40 - Coding of audio, video, multimedia and hypermedia information
• Technical Committee: ISO/IEC JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia information
• Drafting Committee: ISO/IEC JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia information
• Current Stage: 9599 - Withdrawal of International Standard
• Start Date: 08-Nov-2024
• Completion Date: 30-Oct-2025

Relations

• Corrects: ISO/IEC 14496-26:2010 - Information technology - Coding of audio-visual objects - Part 26: Audio conformance
• Effective Date: 23-Apr-2020
• Revised: ISO/IEC 14496-26:2024 - Information technology - Coding of audio-visual objects - Part 26: Audio conformance
• Effective Date: 28-Jan-2023

Overview

ISO/IEC 14496-26:2010/Cor 5:2012 is a technical corrigendum to the international standard addressing the coding of audio-visual objects, specifically focusing on Part 26: Audio conformance. Published by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC), this corrigendum updates and refines the audio conformance requirements essential for ensuring interoperability and quality in digital audio-visual content.

This standard is part of the broader MPEG-4 family of standards, which define multimedia compression and delivery technologies widely adopted in digital broadcasting, multimedia streaming, and storage solutions. The corrigendum issued in 2012 provides clarifications, corrections, and enhancements to the original 2010 edition to maintain consistency and technical accuracy across implementations.

Key Topics

• Audio Conformance Definition
  ISO/IEC 14496-26 defines criteria and procedural checks to verify that audio streams conform to specified encoding and format parameters. This ensures that audio decoders and playback systems can reliably process and render audio-visual content without errors or compatibility issues.

• Technical Corrections and Updates
  The Technical Corrigendum 5 introduces important corrections to details regarding conformance testing. These modifications help eliminate ambiguities and improve the precision of audio stream validation, which is critical for developers and manufacturers working with MPEG-4 audio codecs.

• Standardized Testing Procedures
  It outlines methods to test audio streams for compliance with coding constraints. This facilitates consistent quality assurance across different platforms and devices, fostering a seamless user experience for end-users consuming digital content.

• PDF Distribution and Licensing Conditions
  The corrigendum is distributed as a protected PDF document with embedded typefaces, consistent with Adobe licensing policies. Users are advised to follow recommended installation procedures to ensure document integrity and accessibility.

Applications

• Multimedia Content Production
  Audio engineers and codec developers leverage this standard to guarantee that their encoded audio streams meet international conformance requirements, thereby enhancing cross-device compatibility.

• Digital Broadcasting and Streaming Services
  Broadcasters and streaming platforms use the standard to validate the audio tracks embedded within video streams, ensuring consistent playback quality on smart TVs, mobile devices, and web players.

• Consumer Electronics Manufacturing
  Device manufacturers incorporate conformance testing based on ISO/IEC 14496-26 to certify that audio decoding hardware and software correctly process MPEG-4 based audio content, maintaining industry interoperability.

• Quality Assurance & Compliance Testing
  Testing labs and quality assurance teams utilize this standard as a benchmark to assess and certify products and software that encode, decode, or transmit MPEG-4 audio-visual content.

Related Standards

ISO/IEC 14496-26:2010/Cor 5:2012 is closely related to other parts within the ISO/IEC 14496 (MPEG-4) series, including:

• ISO/IEC 14496-3 - Audio coding standards detailing audio compression techniques.
• ISO/IEC 14496-10 - Advanced Video Coding (AVC) for video.
• ISO/IEC 14496-15 - Streaming standards relating to the delivery of audio-visual objects.
• Other Technical Corrigenda within the MPEG-4 series that ensure ongoing improvements and standard alignment.

Adhering to these complementary standards helps ensure full compliance in audio-visual coding workflows, from content creation to distribution and playback.

---

By implementing ISO/IEC 14496-26:2010/Cor 5:2012, organizations benefit from enhanced audio conformance testing, improved compatibility across multimedia platforms, and adherence to internationally recognized best practices in audio-visual coding technology. This contributes to stable, high-quality audio experiences in contemporary digital media environments.

Standards Content (Sample)

INTERNATIONAL STANDARD ISO/IEC 14496-26:2010
TECHNICAL CORRIGENDUM 5
Published 2012-06-15
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION  МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ  ORGANISATION INTERNATIONALE DE NORMALISATION
INTERNATIONAL ELECTROTECHNICAL COMMISSION  МЕЖДУНАРОДНАЯ ЭЛЕКТРОТЕХНИЧЕСКАЯ КОМИССИЯ  COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE

Information technology — Coding of audio-visual objects —
Part 26:
Audio conformance
TECHNICAL CORRIGENDUM 5
Technologies de l'information — Codage des objets audiovisuels —
Partie 26: Conformité audio
RECTIFICATIF TECHNIQUE 5
Technical Corrigendum 5 to ISO/IEC 14496-26:2010 was prepared by Joint Technical Committee
ISO/IEC JTC 1, Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia and
hypermedia information.
In electronic content, replace the following with the corresponding content of the electronic attachment to this
Technical Corrigendum:
/compressedMp4/sls2100_aot02_048_16.mp4
/compressedMp4/sls2100_aot02_048_24.mp4
/compressedMp4/sls2100_aot02_096_24.mp4
/compressedMp4/sls2100_aot02_192_24.mp4
/compressedMp4/sls2101_aot02_048_16.mp4
/compressedMp4/sls2101_aot02_048_24.mp4
/compressedMp4/sls2101_aot02_096_24.mp4
/compressedMp4/sls2101_aot02_192_24.mp4
/compressedMp4/sls2110_aot02_048_16.mp4
/compressedMp4/sls2110_aot02_048_24.mp4
/compressedMp4/sls2110_aot02_096_24.mp4
ICS 35.040 Ref. No. ISO/IEC 14496-26:2010/Cor.5:2012(E)
©  ISO/IEC 2012 – All rights reserved
Published in Switzerland
ISO/IEC 14496-26:2010/Cor.5:2012(E)
/compressedMp4/sls2110_aot02_192_24.mp4
/compressedMp4/sls2111_aot02_048_16.mp4
/compressedMp4/sls2111_aot02_048_24.mp4
/compressedMp4/sls2111_aot
...

INTERNATIONAL ISO/IEC
STANDARD 14496-26
First edition
2010-05-01
TECHNICAL CORRIGENDUM 5
2012-06-15
Information technology — Coding of
audio-visual objects —
Part 26:
Audio conformance
TECHNICAL CORRIGENDUM 5
Technologies de l'information — Codage des objets audiovisuels —
Partie 26: Conformité audio
RECTIFICATIF TECHNIQUE 5
Reference number
ISO/IEC 14496-26:2010/Cor.5:2012(E)
©
ISO/IEC 2012
ISO/IEC 14496-26:2010/Cor.5:2012(E)

PDF disclaimer
PDF files may contain embedded typefaces. In accordance with Adobe's licensing policy, such files may be printed or viewed but shall
not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In
downloading a PDF file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat
accepts no liability in this area.
Adobe is a trademark of Adobe Systems Incorporated.
Details of the software products used to create the PDF file(s) constituting this document can be found in the General Info relative to
the file(s); the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the files are suitable for
use by ISO member bodies. In the unlikely event that a problem relating to them is found, please inform the Central Secretariat at the
address given below.
This CD-ROM contains:
1) the publication ISO/IEC 14496-26:2010/Cor.5:2012 in portable document format (PDF), which can
be viewed using Adobe® Acrobat® Reader;
2) electronic attachments.
Adobe and Acrobat are trademarks of Adobe Systems Incorporated.

©  ISO/IEC 2012
All rights reserved. Unless required for installation or otherwise specified, no part of this CD-ROM may be reproduced, stored in a retrieval
system or transmitted in any form or by any means without prior permission from ISO. Requests for permission to reproduce this product
should be addressed to
ISO copyright office  Case postale 56  C
...