Decibel: dB Sound Meter

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About this app

Measure sound levels, understand noise exposure, and save clear records with Decibel: dB Sound Meter.

Check real-time dB readings, follow sound changes on a live graph, and review average/Leq, minimum, maximum, and peak values during each measurement. Decibel is useful for everyday sound checks at home, work, events, studios, classrooms, and outdoor environments.

Real-Time Sound Measurement
• View the current sound level with clear digital and analog displays
• Follow changes on a live waveform graph
• Review average/Leq, minimum, maximum, and peak values
• Use fast response mode for changing environments
• Adjust calibration offset for supported microphones
• See reference labels that make sound levels easier to understand

Noise Exposure
• Estimate your daily noise dose
• Review time-weighted average (TWA)
• Check projected dose and exposure details
• Use an occupational safety guidelines reference view
• See exposure-time guidance for different sound levels

Record and Document
• Save measurement sessions
• Add custom names and notes
• Review detailed session data
• Play back saved recordings
• Add live dB overlays to photos and videos
• Share saved results for personal documentation

Use Decibel For
• Workplace noise awareness
• Concerts, rehearsals, and event checks
• Home appliance and room comparisons
• Neighborhood and traffic noise records
• Baby rooms, study spaces, and quiet environments
• Studios, classrooms, workshops, and outdoor spaces

Important Measurement Information
Sound level readings can vary depending on the Android device, microphone, protective case, environment, calibration, and connected accessories.

Decibel is designed for general awareness, comparison, and personal documentation. It is not a certified sound level meter or noise dosimeter and does not replace professional equipment. Do not use the app as the sole basis for workplace compliance, legal, medical, or safety decisions.

Feedback
Our development team is committed to continuous product maintenance. For technical troubleshooting or inquiries, please contact our support desk at: [e-mail]

What’s new

Optimization and bug fixes