A.49Hz~50.5Hz B.49.5Hz~50.5Hz C.49Hz~50.2Hz D.49.5Hz~50.2Hz
A.2s,0.9倍 B.2s,1.0倍 C.3s,0.9倍 D.3s,1.0倍
A.0.8~1.0 B.0.9~1.1 C.1.0~1.2 D.0.8~1.2