Sound Meter: SPL & Noise Level Monitor
Sound Meter (also known as a Sound Pressure Level or SPL meter) is a professional-grade utility designed to measure environmental noise levels using your device's microphone. This application helps users monitor noise pollution to protect auditory health by providing real-time decibel (dB) readings and comprehensive data analysis.Key Features
- Real-Time Monitoring: Continuous updates via an integrated chart graph.
- Session Statistics: Tracks Minimum (Min), Maximum (Max), and Average (Avg) decibel levels.
- Playback Control: Includes Play, Pause, and Reset functionality for precise measurement sessions.
- Advanced Calibration: Manual adjustment settings to align device readings with professional SPL hardware.
- Data Management: Support for data export and time weighting features in the latest version.
Noise Level Reference Guide
The following table provides a standard reference for decibel levels and their corresponding environmental sounds:| Decibel (dB) | Sound Source | Health Impact / Context |
| 140 dB | Gun Shots | Immediate Physical Damage |
| 130 dB | Ambulance Siren | Pain Threshold |
| 120 dB | Thunder | Extremely Loud |
| 110 dB | Concerts | High Risk of Hearing Loss |
| 100 dB | Subway Train | Dangerous for Long Exposure |
| 90 dB | Motorcycle | Very Loud |
| 80 dB | Alarm Clocks / Vacuums | Annoying / Distracting |
| 60 dB | Normal Conversation | Moderate |
| 40 dB | Quiet Park | Quiet |
| 30 dB | Whisper | Very Quiet |
| 10 dB | Breathing | Barely Audible |
Application Information
- Version: 11.1
- Function: Sound Pressure Level (SPL) Meter
- Hardware Requirement: Microphone (Calibration recommended for accuracy)
- Recent Updates: * New time weighting feature.
- Added data export support.
- General performance improvements and bug fixes.
Mod Information
- Status: Premium Unlocked
- Features: Access to all pro-level measurement tools, ad-free experience, and full data export capabilities.
- Utility: Includes dedicated Play/Pause and Reset buttons for professional use.
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