For outside test, the VAD error rates are 14.971 %, 23.033 % and 18.332 % for NWDR-VAD, GSM HR-VAD and G.729-VAD, respectively.

• 而在测试语料中误判音框的错误率NWDR-VAD为14.；971 %25，亦低于GSM HR-VAD的23