WMA流媒体音质测试与分析

Test and Analysis of WMA Streaming Media Quality

WMA流媒体是一种目前电台及多媒体网站使用最为广泛的音频直播、点播及下载的主要音频传输格式,通过对不同码率WMA音频的主观评价,并针对波形统计、光谱图对比及频谱分析三种客观数据对比,对主观评价与客观数据之间的关系进行分析论述,并对WMA流媒体的应用进行指导。

WMA streaming media is a kind of the most widely used format for the radio and muhimedia website audio broadcasting, audio on demand and download currently. In this paper, based on subjective evaluation of different code rate of WMA audio, and comparison of three kinds of objective data for waveform, spectrum and the spectrum correlation statistics, as well as analysis and discussion of the relationship between subjective and objective data, to guide the application of streaming media of WMA.