NoiseTrace: Decibel Meter

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About this app

Measure the noise. Keep the context.

NoiseTrace is a decibel meter and field-documentation app for everyday sound checks. View live sound levels, a real-time curve and key statistics. When context matters, capture photos or videos with sound-level overlays and optional time, scene and location details. Group multiple measurements into a project to compare sessions and export a clear report.

LIVE SOUND LEVEL METER
●Monitor real-time dB readings and the level history
●Review LAeq, Lmax, Lmin, L10, L50 and L90 statistics
●See contextual reference guidance for common environments
●Calibrate readings to account for microphone differences between devices

PHOTO AND VIDEO DOCUMENTATION
●Add live dB, statistics and elapsed time to photo watermarks
●Record video while collecting sound-level data for a synchronized overlay
●Optionally include time, scene, address and coordinates
●Capture multiple photos for a more complete record of one location

PROJECTS AND REPORTS
●Group related measurements into one monitoring project
●Continue a previous setup with one tap
●Compare LAeq, Lmax and possible threshold exceedances across sessions
●Export project summaries and individual measurements as PDF or CSV

HISTORY AND REFERENCE
●Revisit measurements, curves, statistics and media attachments
●Schedule reminders for follow-up checks
●Review environmental sound reference information based on China’s GB 3096 standard

USE CASES
Homes, neighbors, renovation work, offices, study spaces, sleep environments, traffic and outdoor activities.

IMPORTANT
Results vary by device and microphone. NoiseTrace is an environmental reference tool, not a calibrated professional sound level meter. Measurements are for personal reference and documentation only and do not carry legal, administrative or certified testing authority. For formal testing or dispute resolution, contact a qualified professional service.