Wabun is Japanese KANA based Morse-Code.
Only KANA can be learned.
You are able to study the Wabun Morse codes by steps.
There is a random generation function, you can practice receiving of Wabun Morse.
You can also freely select the volume, playback speed, and playback tone.

[additional function]
1) Reverb function
2) Noise function
3) Added a function to switch between hardware and software for keying waveforms.
4) Added adjustment function (10-step adjustment) for high-speed sound training.
5) Endless generate function

The "reverb function" simulates the reverberation of the test site.
The "noise function" mutes the noise during actual communication.