Overview
IEC 62087-2:2015 is an international standard published by the International Electrotechnical Commission (IEC) that specifies the signals and media used to determine power consumption in audio, video, and related equipment, including television sets and computer monitors. This standard is part of the IEC 62087 series focused on power measurement methods for audio-visual devices and replaces the previous 2011 edition, introducing significant technical revisions to signal and media specifications.
The standard covers the audio-visual test signals, including static video, dynamic broadcast-content, internet content video, and associated audio signals. It also details the use of packaged media formats-such as Blu-ray Discs™ and DVDs-that embed these test signals for consistent and repeatable power consumption testing. Additionally, IEC 62087-2:2015 specifies equipment, interfaces, and accuracy requirements for signal generation.
This edition has evolved to improve precision in power consumption measurement and related characteristics like the peak luminance ratio, a key factor in television energy efficiency.
Key Topics
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Audio-Visual Signal Specifications
Standardized static and dynamic video signals support reliable power consumption testing, including:
- Static video signals with fixed picture levels
- Dynamic broadcast-content signals simulating real TV program content
- Internet-content video signals reflecting streaming media environments
- Associated audio signals designed for measuring audio power consumption
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Peak Luminance Ratio Testing
Video test patterns, such as the newly introduced box and outline video signals, are included to accurately determine the peak luminance ratio, essential for evaluating peak power usage under different display conditions.
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Media Formats
The standard utilizes packaged media formats for ease of testing and reproducibility:
- Blu-ray Discs™
- DVDs
These media carry the specified signals that laboratories or manufacturers can play back to ensure consistent power measurement setups.
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Signal Generation and Interfaces
Equipment generating these test signals must meet certain criteria, and the standard specifies compatible interfaces to ensure signal integrity. Supported interfaces include HDMI®, DisplayPort, component analog video, S-Video, composite analog video, and various broadcast interfaces.
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Accuracy and Compliance
The standard mandates accuracy levels for the video and audio signals to avoid deviations that could affect power measurements. This ensures high repeatability and comparability of test results across different labs and conditions.
Applications
IEC 62087-2:2015 is essential for manufacturers, testing laboratories, and regulatory bodies involved in:
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Energy Efficiency Testing
Determining power consumption accurately is critical for compliance with energy labels, eco-design directives, and efficiency benchmarks in consumer electronics.
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Product Development and Quality Assurance
Companies designing televisions, monitors, and allied equipment use this standard to evaluate the energy profile of their products under standard test conditions, helping optimize power-saving features and performance.
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Certification and Regulatory Compliance
Governments and certification bodies employ IEC 62087-2 test methods to verify manufacturer claims on power consumption, supporting international trade and consumer protection.
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Research and Development
R&D teams utilize the standardized signals and media to study the impact of video content types on energy consumption and to explore improvements in display and audio technology power management.
Related Standards
IEC 62087-2:2015 is part of a larger suite of standards under IEC 62087 which include:
- IEC 62087-1: Audio, video, and related equipment – Determination of power consumption – Part 1: General conditions and definitions
- IEC 62087-3 to IEC 62087-6: Covering specific methods and conditions for various device types and power modes
- Additional related standards cover energy efficiency metrics, measurement procedures, and test environments for audio-visual equipment.
By following IEC 62087-2 in conjunction with the full IEC 62087 series, stakeholders ensure globally harmonized approaches to power consumption measurement, supporting fair energy efficiency comparisons and fostering sustainable product innovation.
Keywords: IEC 62087-2, power consumption measurement, audio-video equipment, television power testing, energy efficiency standards, IEC signals and media, peak luminance ratio, Blu-ray Disc test signals, HDMI test interface, dynamic video signals, IEC power measurement standard.
Open preview (PDF)Audio, video, and related equipment - Determination of power consumption - Part 2: Signals and media
