语音丢帧补偿算法的评价方法研究  

Evaluation of Speech Quality in Packet Loss Compensation Algorithms

作　　者：杨海松[1] 林志斌[1] 

机构地区：[1]南京大学声学研究所近代声学教育部重点实验室,江苏南京210093

出　　处：《电声技术》2011年第11期46-48,53,共4页Audio Engineering

基　　金：国家自然科学基金青年基金项目(10804049)

摘　　要：利用感知语音质量评价(PESQ)标准测量丢帧补偿后语音质量的客观效果,给出了不同丢帧率条件下,对应的PESQ值的分布趋势,并与主观测试结果进行比对拟合,证明丢帧补偿算法的主客观评价存在较高相关性。同时总结了主观描述词,利于提高算法的针对性。By using the standard of PESQ（ Perceptual Evaluation of Speech Quality）, a method is found to measure the effect of packet loss compensation algorithms. As to different packet loss ratios, the distribution trend of the corresponding PESQ values are given in this paper. Meanwhile, high correlation is found between the subjective and the objective assessments. In addition , some description words are summarized from the subjective test to facilitate the improvement of PLC algorithms.

关 键 词：丢帧补偿 PESQ 音质评价 

分 类 号：TN912[电子电信—通信与信息系统]