The color sonagram shows image in three dimensions of time, frequency and intensity.

彩色声图可显示三维图象，即时间、频率及强度关系图。

Mobile cursor devised in the sonagram can be used to select some time points to analyse in details with sepectrograms and corresponding parameters.

声图中设置可移动光标，用于选择某时刻详细进行频谱与相关分析。

The software of the system consists of 6 function modules: operation instruction, sampling, management of data, analysis of spectrogram, correlogram and sonagram.

软件包括6个功能模块：操作指导，采样，数据管理，频谱分析，相关分析及声图。分析图形及参数表可屏幕显示或打印绘图。