Decibel Meter: dB Sound Level

Transform your iPhone into a professional-grade sound level meter with "Decibel Meter: dB Sound Level". Whether you're monitoring workplace noise exposure, protecting your hearing, ensuring baby safety, or conducting acoustic analysis, this app delivers accurate, real-time decibel measurements with industry-standard compliance.

PROFESSIONAL-GRADE MEASUREMENT

Measure sound levels with precision using multiple frequency weightings (dBA, dBC, dBZ) and time response settings. Our app complies with NIOSH and OSHA standards, making it perfect for occupational health and safety professionals, audiologists, and anyone who needs reliable noise monitoring.

KEY FEATURES

• Multiple Measurement Modes
- dBA: A-weighted, matches human hearing sensitivity
- dBC: C-weighted, includes low frequencies
- dBZ: Z-weighted, flat/unweighted response
- NIOSH Mode: 85 dB limit with 3 dB exchange rate
- OSHA Mode: 90 dB limit with 5 dB exchange rate
- Baby Safety Mode: 60 dB limit, safe for infants

• Real-Time Monitoring
- Live decibel readings with circular gauge display
- Min, Max, and Average statistics
- Color-coded visual feedback
- Reference labels for common sound levels

• Advanced Frequency Analysis
- Frequency spectrum analyzer with bar and line charts
- Octave band analysis (1/1, 1/2, 1/3 octave bands)
- Visual representation of sound across frequency ranges
- Expandable full-screen chart view

• Time Response Settings
- Fast (125ms): Quick response to changes
- Slow (1000ms): Smooth, averaged response
- Impulse (35ms): Captures brief sounds
- 3s (3000ms): Very smooth, long-term average

• Exposure Tracking (Dosimeter)
- Track noise exposure over time
- Calculate dose percentage
- Projected 8-hour exposure
- Time to limit warnings
- NIOSH and OSHA compliance

• Audio Recording & Analysis
- Record audio with synchronized decibel data
- Organize recordings with timestamps
- Playback recordings with visual analysis
- Export detailed PDF reports (Premium)

• Customizable Alarms
- Set custom decibel thresholds
- Visual and haptic alerts
- Real-time threshold monitoring

• Professional PDF Reports
- Generate comprehensive reports for recordings
- Include graphs, statistics, and exposure data
- Share via email, messages, or save to Files
- Perfect for workplace documentation

• Modern Dark Interface
- Beautiful, easy-to-read dark theme
- Intuitive navigation
- Smooth animations and transitions

PERFECT FOR

- Workplace safety professionals monitoring noise exposure
- Parents ensuring safe sound levels for babies
- Musicians and audio engineers analyzing sound
- Health-conscious individuals protecting their hearing
- Industrial workers tracking occupational noise
- Anyone who wants to understand their acoustic environment

PREMIUM FEATURES

Upgrade to unlock advanced capabilities:
- Line chart visualization
- Advanced frequency analysis
- Unlimited audio recordings
- Professional PDF report generation
- NIOSH, OSHA, and Baby Safety modes
- Custom alarm thresholds

Download "Decibel Meter: dB Sound Level" today and take control of your acoustic environment. Protect your hearing, ensure safety compliance, and make informed decisions about noise exposure.

Premium subscription is available as an in-app purchase for additional features.
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