Be quite, please! play online

The application analyzes the volume level in real time using a microphone. If the threshold is exceeded, a voice notification "Be quiet, please!" is played.
You can specify an arbitrary audio file as a notification. For example, you can record you a message with you microphone.
The volume threshold can be adjusted using the slider.

One of the applications of this application is to help those who are inclined to speak loudly to speak more quietly.

To draw graphs, an open library is used under the Apache-2.0 license: https://github.com/jjoe64/GraphView/blob/master/license.txt