Headphones at 90+ dB can damage cochlear cells within minutes, and the 12–35 age group — the heaviest headphone users — mostly doesn’t know it’s happening. Hearing loss is permanent; prevention is the only treatment.
Dr.Hear analyzes the audio of music and videos in real time and automatically attenuates the harmful high-frequency content while keeping the listening experience intact — protection that works during playback instead of warnings after the fact.
Built with Chanseok Oh and SnowNull at the Changbal Innovation Hack 2025.