中文说明：matlab的语音处理工具箱colea，用于处理音频信号，可以提取音频信号的特征，如共振峰、能量、基频等，是类似于praat的音频处理软件，具有一定的参考性和科学性。
English Description：
Colea, a speech processing toolbox of MATLAB, is used to process audio signal, which can extract the characteristics of audio signal, such as formant, energy, fundamental frequency and so on. It is similar to Praat audio processing software, and has certain reference and scientific nature.