一段语音，分别在白噪声、粉色噪声、工厂噪声、冲击噪声和信噪比变化很大的语音，用于检验语音端点、语音增强的方法的对与错。-a voice, in white noise, pink noise, factory noise, the impact of noise and signal-to-noise ratio of the great changes of voice, used to test the voice endpoint, speech enhancement of the ri