标准摘要
[中文适用范围]： IEC 63478-2:2025 规定了测量多媒体会议服务用户服务质量（QoE）的要求。 [外文原描述]： IEC 63478-2:2025 describes the requirements to measure users’ quality of experience (QoE) on multimedia conferencing services.
英文名称User’s quality of experience on multimedia conferencing services - Part 2: Requirements