模仿Tom猫的变声demo，可以改变音调，音速，特别有意思-Imitate Tom Cat change the sound demo, you can change the tone, speed of sound, particularly interesting

一款进行声音处理的demo，能进行音调，音速的改变，是Tom猫的核心代码-A sound processing demo, can carry out pitch, the speed of sound changes, the core code of the Tom cat