DR-SoundMeter

DR-SoundMeter measures the noise around you in decibels with your device's microphone and tells you what it means for your hearing. MEASURE - Live level in dB with Min, Max and average - A, C and Z frequency weighting, Fast and Slow time weighting - LAeq, LAFmax, LCpeak, sound exposure level (LE) and L10, L50, L90 - A chart of the level over time - Calibration offset for your device PROTECT YOUR HEARING - How long it is safe to stay at the current level - Daily noise dose under NIOSH or OSHA - Hearing protection advice for loud places - 15 everyday sounds to compare with, from a whisper to a jet engine ANALYSE - Live third-octave and octave frequency bands - Record the sound and play it back as a waveform or spectrogram SAVE AND SHARE - Save sessions with their place and time - See your measurements on a noise map - Export levels, doses and location to CSV APPLE WATCH - Measures on the watch's own microphone, without the phone - LAeq, maximum and minimum at a glance - A haptic alert when the noise passes your threshold Every measuring feature is free. DR-SoundMeter Pro removes ads and lifts the limits on saved sessions and recordings. Readings depend on your device's microphone. For a reference measurement, use a calibrated sound level meter. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/