August 2026: New Standard Sets Benchmark for Multimedia Conferencing Experience

In August 2026, the telecommunications, audio and video engineering sector received a pivotal update with the publication of a new international standard focusing on users’ quality of experience (QoE) in multimedia conferencing. The newly released IEC 63478-3:2026 introduces comprehensive measurement methods—charting a path towards more reliable, engaging, and user-centric conferencing services for businesses and organizations worldwide. With increasing dependence on virtual collaboration, this standard addresses a critical need for uniform QoE assessment, setting the benchmark for future innovations.

Overview

Telecommunications, audio and video engineering underpin the digital collaboration tools that drive modern business and education. As remote work and virtual meetings become ubiquitous, the consistency and quality of multimedia conferencing services directly impact productivity, satisfaction, and retention for users worldwide. In this context, international standards ensure robust, secure, and high-performing systems by providing consensus-driven guidelines and requirements.

The latest release—IEC 63478-3:2026—delivers a much-needed, holistic approach to measuring the quality of experience for users of multimedia conferencing services. In this article, you’ll discover:

• What the IEC 63478-3:2026 standard covers
• Key requirements and technical methodologies
• Industry implications and compliance advice
• Best practices for implementing new measurement models

Detailed Standards Coverage

IEC 63478-3:2026 – Measurement Methods for Users’ Quality of Experience in Multimedia Conferencing

User’s Quality of Experience on Multimedia Conferencing Services – Part 3: Measurement Methods

IEC 63478-3:2026 establishes the core methodology for measuring user-perceived quality in multimedia conferencing environments. Developed under the leadership of the IEC Technical Committee 100, this international standard provides a comprehensive toolkit for both subjective and objective evaluation of video, audio, synchronisation, accessibility, interoperability, participant engagement, and UI/UX parameters. Its aim is to ensure multimedia conferencing services align with real-world demands and user expectations.

Scope and Purpose

This standard details the following:

• Subjective measurement approaches: Collect user perceptions through surveys, interviews, focus groups, and journals to gauge satisfaction regarding audio/video quality, usability, and reliability.
• Objective measurement approaches: Evaluate technical metrics such as delay, jitter, packet loss, bandwidth, and integration of auxiliary features using standardized instruments.
• Hybrid approaches: Merge subjective and objective data for a holistic analysis and more accurate overall QoE scoring.

Key Requirements and Specifications

• Measurement Models: The standard introduces multiple frameworks:
  • Temporal evaluation model measures QoE before, during, and after the session.
  • Common survey model standardizes user feedback collection (e.g., five- or seven-point scales for specific attributes).
  • Honeycomb model addresses seven key attributes: utility, usability, findability, credibility, desirability, accessibility, and value.
• Parameters for QoE: Includes visual clarity, audio quality (clarity, delay, noise, dynamics, echo cancellation), synchronization accuracy, accessibility (assistive technologies, transcripts), interoperability, group size, collaboration tool quality, openness (API/SDK availability), and intuitive user design.
• Operational Process: Specifies steps for QoE measurement:
  • Initialization (setup of measurement mechanisms)
  • Continuous monitoring during sessions
  • Data evaluation and authentication
  • Data management and reporting
• Result Presentation: Encompasses both quantitative (tables, graphs) and qualitative (reports, model-based representation) outputs.

Who Should Comply

• Telecommunications service providers offering video conferencing, webinar, hybrid event, or multisite meeting platforms
• Enterprise IT teams and system integrators responsible for deploying and maintaining conferencing solutions
• UX/UI and product managers seeking to improve user retention and satisfaction
• Quality assurance and compliance officers in the digital communications sector

Practical Implementation Implications

Organizations must:

• Develop comprehensive QoE monitoring frameworks blending both technical data and regular user feedback
• Implement regular reviews of conferencing service metrics (delay, packet loss, video clarity) and follow up with targeted improvements
• Ensure offerings are accessible, interoperable, and open to integration via APIs or SDKs

Notable Changes from Previous Versions

As the inaugural measurement-focused entry in the IEC 63478 series, this standard sets out entirely new and unified methodologies, going beyond prior general guidance or requirement-only publications (i.e., IEC 63478-2). It formalizes assessment tools and clearly defines measurable attributes with required and optional status, empowering providers and users alike with common language and benchmarks.

Key highlights:

• Introduces hybrid subjective+objective QoE measurement methods
• Integrates user-centric quality attributes (usability, desirability, accessibility)
• Standardizes technical and reporting processes for global consistency

Access the full standard:View IEC 63478-3:2026 on iTeh Standards

Industry Impact & Compliance

IEC 63478-3:2026 will be transformative for any organization developing, integrating, or managing multimedia conferencing solutions. Its adoption will:

• Provide a uniform measurement framework, enabling transparent benchmarking between providers, platforms, and regions
• Support regulatory or contractual compliance where user experience is a mandated deliverable
• Reduce subjective troubleshooting by supplying concrete, repeatable metrics
• Guide service providers in prioritizing updates and feature enhancements based on empirical QoE data

Compliance considerations:

• Early mapping of existing processes and technologies to the required QoE metrics will ease transition
• Regular user surveys and technical audits must be institutionalized
• Accessibility adaptations, compatibility checks, and integration of open APIs/SDKs should be prioritized
• Where legal or contractual obligations reference user experience, the standard’s frameworks offer a defensible, best-practice basis

Timelines:

• Organizations are encouraged to phase in compliance as current deployments are upgraded, aiming for full implementation in the next fiscal or operational review cycle
• Contracts or SLAs referencing QoE should be updated to include IEC 63478-3:2026 criteria

Risks of Non-Compliance:

• Customer churn and negative feedback driven by inconsistent or poor user experience
• Potential legal or procurement setbacks where adherence to international standards is specified
• Missed market opportunities due to lack of standardized competitive differentiation

Technical Insights

Common Requirements Across the Standard

• Multi-dimensional evaluation: All measurement approaches must combine technical and human/usability factors.
• Time-phased assessment: QoE measurement should track the full session lifecycle (before, during, after).
• Cross-platform applicability: Measurements and results should be representative of all supported user devices and network conditions.

Implementation Best Practices

1. Integrate automated monitoring tools—capture technical parameters in real time for network, device, and application behavior.
2. Structure regular subjective user surveys—target key attributes like clarity, ease of use, and overall satisfaction.
3. Facilitate feedback loops—ensure that participant feedback and technical findings lead swiftly to service improvements.
4. Prioritize accessibility and interoperability—adopt assistive technology, provide accurate transcriptions, and guarantee device/platform compatibility.
5. Streamline data reporting—use standardized formats (tables, charts, and narrative reports) as recommended.

Testing and Certification Considerations

• Internal validation: Establish cross-disciplinary teams to validate both the technical and subjective QoE metrics
• Third-party evaluation: Where compliance certifications are sought, work with accredited testing bodies familiar with IEC guidelines
• Routine audits: Institute a schedule for regular review and update of measurement practices, responsive to evolving user needs or service changes

Conclusion & Next Steps

The publication of IEC 63478-3:2026 is a watershed moment for the telecommunications and multimedia conferencing sectors. Its comprehensive frameworks and methodologies will help organizations deliver consistent, measurable, and user-centered services, supporting competitive differentiation and long-term user satisfaction.

Recommendations:

• Thoroughly review the full text of IEC 63478-3:2026 for detailed implementation guidance
• Begin benchmarking your current multimedia conferencing offerings against the defined QoE measurement and reporting processes
• Update internal procedures, procurement criteria, and compliance matrices to reflect the new international best practices
• Stay tuned to iTeh Standards for future updates, interpretations, and sector-specific implementation case studies

For full details and access, visit the IEC 63478-3:2026 standard on iTeh Standards

Stay ahead in a fast-evolving digital world—explore the latest standards, requirements, and implementation resources for multimedia conferencing and telecommunications at iTeh Standards.