Noise Diary: dB Log
逸文 周 · Utilities
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About
Noise Diary is a focused tool for measuring environmental sound and saving the moment as a noise event. What you can do: - See an approximate dB(A) reading - Start and end an event to save Leq, maximum, and minimum - Add a tag and notes - Review a local timeline - Export CSV and PDF - Apply local calibration using a reference sound level meter - Continue only an event you started while the screen is locked or another app is open Privacy first: - Analysis runs on your device - No audio recording is created - Audio and measurements are not uploaded - No background measurement outside an event you start Important: Readings are approximate values calculated from the iPhone microphone. Noise Diary is not an IEC-compliant professional sound level meter. Do not use it for legal, health, hearing-safety, or workplace-compliance decisions.
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