The final VAD decision is based on the nonuniform weighted summation of six decision rules.Therefore, this VAD decision approach is called nonuniform weighted decision rules VAD method (NWDR-VAD).

• 本论文采用了五种语音特性参数来建立判断音框是否为活动语音或非活动语音的六项决策规则，分别为能量、越零率、声道截面积参数和、音高周期、及频谱失真。