自动语音识别：基于实际应用中的声学和语言指标分类

[中文适用范围]： IEC TR 63558:2025描述了根据声学指标和语言指标对现实环境进行分类的相关因素。这些因素可以用来描述从1级到4级使用场景的复杂性，并在设置测试环境时有所帮助。该文档适用于评估广泛用于智能设备（如智能音箱）的自动语音识别技术。 [外文原描述]： IEC TR 63558:2025 describes the factors related to classification of the real-life environment according to acoustic indicators and linguistic indicators. The set of factors can be used to describe complexities of use scenarios, from level 1 to 4, and can be helpful when setting up the testing environment. This document applies for evaluating automatic speech recognition technology which is widely used for smart equipment, such as smart speakers