下载 APKPure App
可在安卓获取Frequency Generator的历史版本
这个频率发生器可以生成从1Hz的声音频率至20,000！
This is a very simple and awesome Frequency Generator. It can generate sound frequencies from 1Hz to 20,000Hz!
The human can hear from 20Hz to 20,000Hz, you can use this tool to test your hearing.
To use it, simply select the desired frequency using the slider and turn On the sound by toggling the play switch!
The user interface is very simple and clear!