ETSI EG 202 396-3-2007 语音处理,传输和质量方面(STQ).在背景噪音下的语音质量性能.第3部分:背景噪音传输.客观测试方法(版本1.1.1)
Speech Processing, Transmission and Quality Aspects (STQ); Speech Quality performance in the presence of background noise Part 3: Background noise transmission Objective test methods V1.1.1