Result: In pathological voice,FO of lowest true voice increases,FO of highest falsetto voice reduces,true and falsetto voice range become thin and the change of falseto voice range is more obvious.

• 结果： 病态嗓音的真声最低音FO值升高，假声最高音FO值下降；真假声音域缩窄，假声音域变化更明显。