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App Introduction

Noise Meter (Inter-floor Noise Log) is an app that utilizes your smartphone's microphone to measure noise levels in real time and systematically record environmental noise, such as inter-floor noise.

Measure various everyday noises—such as inter-floor noise in apartments or buildings, road noise, and construction noise—in decibels (dB). Save the data along with location information (m4a, pdf, csv) to use for managing noise damage.

### Key Features

1. Real-time Noise Measurement
- Real-time noise level measurement using the smartphone microphone
- Intuitive decibel (dB) display
- Visualization of noise changes with real-time waveform graphs
- Automatic calculation of minimum/maximum/average dB

2. Measurement History Management
- Save measurement results with tags and notes
- Automatic saving of measurement location, time, and date
- Photo attachment feature
- View records by location and date
- Export recording files (m4a)

3. Statistics and Analysis
- Provides daily, weekly, and monthly noise statistics
- Check average, maximum, and minimum dB values

4. Report Export
- Export measurement data in PDF or CSV format

5. Customization
- Improve accuracy through microphone sensitivity calibration

### How to Use

1. Launch the app and allow microphone permissions.

2. Press the microphone button at the bottom of the screen to start the measurement.

3. Check the dB values ​​as they change in real-time.

4. You can save the results when the measurement is stopped.

5. Complete the record by adding tags, notes, and photos. 6. Saved records can be used for statistics and reports.

### Important Notes

- The measurements from this app are for reference only and are not official legally valid measuring devices.

- Regular microphone calibration is recommended for accurate measurements.

- Measurement accuracy may vary depending on the device's microphone performance and the surrounding environment.

- Background measurements may be restricted on some devices.

### App Information and Permissions

- Developer: billyjo

- Supported Devices: Android 6.0 or higher

- Permissions Guide

* Microphone: Essential for noise measurement

* Storage: Required for saving measurement records and photos

### Privacy Policy

This app does not transmit collected data to servers or share it with third parties. All measurement data is safely stored on the user's device.

Objectively record and manage noise damage with the Noise Meter (Inter-floor Noise Log)!