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Dynamic metadata high dynamic range impacts on TV power consumption
Dynamic Metadata in high dynamic range (HDR) content plays a significant role in influencing TV power consumption.
By optimizing the brightness and contrast on a scene-by-scene basis, dynamic metadata allows HDR TVs to adjust their backlight and processing requirements more efficiently.
This results in better picture quality while potentially reducing the overall power usage compared to static metadata HDR implementations.
IEC TR 63449:2023 presents a study of the impact of high dynamic range (HDR) technologies with "dynamic metadata" on TV luminance and power consumption. It compares the power consumption of content with dynamic metadata to the same content without dynamic metadata.
Non-dynamic "static metadata" HDR technologies such as HDR10 and non-metadata HDR such as HLG were previously studied in IEC TR 63274:2021.
This document also reviews the current HDR TV market and analyses existing HDR TV power measurement methods and considerations for any changes to those power measurement standards.
While this document studies the results of content that include Dolby Vision® and HDR10+ dynamic metadata, any comparison of these two technologies is outside of the scope of this document.
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