why unity change the frequency when playing ultrasound

Unity Engine
,
1

we are developing an APP use unity, this APP play ultrasound to control electronic toy, but we found that the frequency has been changed by unity, we use Android native APP is OK,
any one knows why and how to resolve this problem?
thanks very much

2

Hey,

Check for audio import settings, if you have a audio clip that you play, click on it and look for its import settings in panel.

Hope it helps,

// chall3ng3r //