语音是人们交流思想和进行社会活动的最基本手段,我们要对语音信号进行测定并将其转变为另一种形式，以提高我们的通信能力。计算短时能量，过零率-Voice for people to exchange ideas and the most basic means of social activities, we need to determine the voice signal and convert it into another form, to enhance our communication capabilities. Calculated short-time energy, zero crossing rate