50Hz,60Hz,100Hz,120Hz,1kHz,10kHz,20kHz,30kHz,

40kHz,50kHz,60kHz,80kHz,100kHz,120kHz,150kHz,

200kHz;

50Hz,60Hz,80Hz,100Hz,120Hz,150Hz,200 Hz,250 Hz,
300 Hz,400 Hz,500 Hz,600 Hz,800Hz,1kHz,1.2k Hz,
1.5k Hz,2k Hz,2.5k Hz,3k Hz,4k Hz,5k Hz,6k Hz,
8k Hz,10kHz,12k Hz,15k Hz,20kHz,25k Hz,30k Hz,
40kHz,50k Hz,60kHz,80k Hz,100kHz,120k Hz,
150k Hz,200k Hz

共37个测试频点