SJ/T 11904.1-2025 in English

This standard establishes a framework for classifying video quality in ultra-high-definition video playback software. It provides guidelines for defining and categorizing different levels of video quality based on specific criteria. The document outlines the principles and methods for evaluating video quality, ensuring consistency across different platforms and devices. It also specifies the terminology and classification system used to describe the performance and characteristics of video content. The standard aims to enhance the user experience by promoting clear and standardized quality indicators. Additionally, it covers the requirements for implementing these classifications in software applications. The content is structured to support both developers and users in understanding and applying the specified video quality levels.