Decibel Meter: Noise Level dB

Decibel Meter: Sound Level & Noise Detector

Professional Sound Meter & Noise Dosimeter for iPhone.

Transform your device into a precise sound level meter (SPL meter). Trusted by safety officers, acoustic engineers, and countless users, Decibel Meter offers lab-quality noise monitoring with a sleek, user-friendly interface.

Whether checking noise levels for workplace compliance, gathering evidence for noise complaints, or analysing audio frequencies, this is your all-in-one pocket tool.

=== KEY FEATURES ===

PROFESSIONAL NOISE DOSIMETER
• OSHA & NIOSH Standards: Accurately track daily noise exposure.
• Hearing Safety: Monitor TWA (Time Weighted Average) to prevent hearing damage.
• Real-Time Analysis: Instant, precise dB(A), dB(C), and dB(Z) readings.

VIDEO & EVIDENCE RECORDING
• Video Overlay: Record video with real-time decibel levels—ideal proof for noisy neighbours or construction sites.
• Photo Snapshots: Capture measurement screens with timestamp, location, and max dB tags.
• GPS Tagging: Automatically map noise measurements to specific locations.

ADVANCED ANALYSIS & REPORTING
• Spectrum Analyzer (RTA): Visualise sound frequencies (FFT) to identify annoying noise sources.
• PDF Export: Generate professional reports with charts, statistics, and exposure data swiftly.
• History Log: Save unlimited session data for long-term environmental monitoring.

POWERFUL TOOLS
• Calibration: Fine-tune microphone sensitivity for professional accuracy.
• Background Mode: Continue measuring and logging data even when the app is closed.
• Multiple Views: Switch between Waveform, Digital, Analog Gauge, and Spectrum views.
• Reference Chart: Compare current noise levels with real-world examples (e.g., "Subway Train," "Whisper").

Download Decibel Meter today and measure the world around you with precision!

=== Subscription options ===
The app is free to download, but a subscription is required for premium features. With the subscription, enjoy uninterrupted access to premium features. Your subscription will automatically renew at the end of each term, and your credit card will be charged through your iTunes account within 24 hours before the end of the current period.

To cancel automatic renewal, access your iTunes account settings at any time. Note that refunds are not provided for unused portions of the term. Ensure cancellation by turning off auto-renewal at least 24 hours before the end of the current period.

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