Noise Detector is a real-time sound level meter and audio spectrum analyzer for your Android device.
🎙️ KEY FEATURES
- Live decibel (dB) meter — instantly see how loud your environment is
- Audio spectrum visualizer — watch frequency bands update in real time
- Clean, modern Material 3 interface
- Lightweight and battery-friendly
📊 HOW IT WORKS
Simply open the app and point your device toward any sound source. The microphone captures audio and the app displays the sound level and frequency spectrum instantly — no setup required.
🔊 USE CASES
- Check noise levels at home, work, or public spaces
- Identify loud environments that may harm hearing
- Monitor ambient sound for music, recording, or events
- Educational tool for learning about sound and acoustics
🔒 PRIVACY
Microphone access is used solely for real-time audio analysis. No audio is recorded, stored, or transmitted.
Requires microphone permission.