기술 Waveform Generator Free

This is a waveform generator app for Android, capable of producing four different functions: Sine, square, triangle and sawtooth.
With this application you can produce waveforms in the range of 20 Hz to 20 kHz (for more info check the "Help" tab in the app's preferences) in two different ways.
Either set a specific frequency and have it play constantly, or dynamically change the output frequency by swiping your finger on the upper half of the screen.
This is the free version of this app. If you find yourself enjoying this app, either as part of your hobbies or your work, please consider looking at the full version.
Note that by splitting this app in free and paid versions (instead of an in app purchase), there is no need for this app to connect to the internet (nor does it require a permission to do so). Therefore this app is fully functional offline.

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