Decibel Monitor - noise tester 9+

Professional visual Decibel dB & sound & Audio monitoring tools And Noise Level Frequency Analyzer. Protecting our auditory health.

dBMonitor is a professional sound level measurement tool that helps you monitor and analyze noise levels in your environment. Whether at home, office, or industrial settings, it provides accurate sound measurement data.

Key Features：
Real-time Monitorin - Display current environmental decibel values in real-time, including maximum, minimum, and average statistics.
Chart Analysis - Provides chart view with selectable time ranges to visualize sound change trends intuitively.
Frequency Analysis - Analyze the spectral distribution of sound to understand the intensity of different frequency components.
History Records - Save measurement sessions with support for searching, deleting, and detailed viewing of historical data.
Calibration function - Support manual calibration to ensure measurement accuracy.
Multi-Language Support - Supports switching between Chinese and English interfaces and adapts to deep and shallow modes.

Noise Level Reference:
0-60 dB: Safe Level - Normal conversation, library, quiet office
60-85 dB: Moderate Level - Busy street, restaurant, TV volume
85-100 dB: Loud Level - Subway, motorcycle, factory noise
100+ dB: Dangerous Level - Aircraft takeoff, concert, industrial machinery

Health Warning:
Prolonged exposure to environments above 85 decibels may cause hearing damage. Recommendations:
85-90 dB: Daily exposure should not exceed 8 hours
90-95 dB: Daily exposure should not exceed 2 hours
95-100 dB: Daily exposure should not exceed 15 minutes
100+ dB: Should immediately move away or use hearing protection


No advertisements! No in-app purchases! No subscriptions! Ever!