Introducing Silent Owl!
Devpost link: https://devpost.com/software/silent-owl
YouTube demo link: https://www.youtube.com/watch?v=2P7GR6VC-Ho
Silent Owl uses your computer’s microphone to monitor your volume and provides audio feedback to your headphones in the event of a loud noise.
If the noise level goes over the limit, a warning sound is played in your headset device.