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Real-time noise monitor with analog dial and digital 0–140 dB display.
Real-time noise monitoring Large analog dial and digital readout show the current sound level in dB from 0 to 140. Min / Avg / Max tracking The app continuously tracks minimum, average and maximum noise levels for your session. Context hints for every reading Under the gauge you see a quick hint like “70 dB – Busy restaurant / loud office” so you immediately understand what the current level means. Full dB reference chart Expand the list to see a detailed chart from 10 dB to 140 dB with real-world examples: breathing, quiet room, whisper, quiet office, conversation, busy traffic, subway, rock concert, jet takeoff, gunshot, and more. Color-coded level bar A horizontal bar from blue to yellow to orange shows how close you are to dangerous levels at a glance. Per-device Sensitivity Calibration Microphone sensitivity depends on your phone. Use the calibration card to fine-tune the reading: reset, then adjust the offset with – / + buttons (e.g. 78 + 0 dB). Professional weighting filters Choose how the meter processes sound: dB A-weighting – Recommended Closest to human hearing, use this for everyday noise. dB C-weighting – for very loud environments and peak levels. Linear – no filtering, for technical/raw measurements.