📦 Android App SPL Meter : dB & sound meter v11.1 Premium

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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.

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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

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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.

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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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