Decibel Dossier: Sound Meter

By 秋林 周 on AppTrack Ninja.

Noise level meter & dB report

Decibel Dossier turns your iPhone into a sound level meter that not only measures noise, but records it and produces a verifiable report. Measure Real-time sound pressure level in dB(A) and dB(C), with Leq (equivalent level), max/min, L10/L90 statistics, a live spectrum and a time history. Hearing safety Your reading is compared against NIOSH and OSHA occupational-noise references: a hazard level (safe / moderate / hazardous) and the recommended safe exposure time at the current level (for example, about 8 hours at 85 dBA, halving every 3 dB). A quick reference chart shows how the level compa…

Categories: Utilities, Productivity

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