国际电信联盟ITU组织制定的一系列标准,已成为计算机多媒体应用最广泛的国际标准之一。其中ITU-T P系列标准是针对语音质量评测的标准,该系列标准按照测试方法不同,主要分为主观测试和客观模型两大类,分类简介各标准。
The International Telecommunication Union makes a series recommendations.It becomes one of most popular families in the field of multimedia application.It is mainly introduced that for P-series ITU-T Recommendations of perceptual audio evaluation,the series of standards can be classified into two categories: Subjective test methods,and Objective models,according to the different test methods.And then,some detailed description is presented on representatives from each type of standard.