中文说明：
程序给出了0~10发音的语谱图，其中采用分帧函数对信号进行分帧处理然后在用fft算法得到频谱信息，后用灰度图像表示。
English Description：
The program gives the spectrogram of 0 ~ 10 pronunciation, in which the signal is processed by framing function, and then the spectrum information is obtained by FFT algorithm, and then represented by gray image