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。
2
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。
3
The software of the system consists of 6 function modules: operation instruction, sampling, management of data, analysis of spectrogram, correlogram and sonagram.