RBB image extraction and some image processing function on each image channel

通过跑该代码，可以改变声音的特征，从而实现对搜集声音的变声，可变为老人声音、女人声音、小孩声音。(By running the code, you can change the characteristics of the voice, so as to achieve the change of voice collection, can be changed to the voice of the elderly, the voice of a woman, the voice of a c