This app visualize sound(volume and tone).
For person having difficulty in hearing(Deaf person).

Volume and Tone are represented by circle color and vibration.
Deaf parson can feel sounds.
You can set specific volume level and tone level. If sounds over this level Mobile vibrate and center circle color change.

This app have also voice recognition function.
Talking is converted to words by this function.
It's helpful to talking!

Example
• To notice noise.
• To notice baby crying.
• To notice beep alarm.
and so on.

※This app is reference level for deaf person.
※I shall not be responsible for any loss damages and troubles.