利用短时平均能量和短时平均过零率，对语音信号进行端点检测-Average energy use of short-term and short-time average zero-crossing rate, speech endpoint detection signal

对一段语音进行端点检测并对检测的语音画出方框图，不同于一般只画竖线-Endpoint detection of a voice to draw the block diagram and detection of voice is different from the vertical line is generally drawn