Traffic Lights Noise Detector 與 Noise Timer 使用情況與統計

This application is both a timer and a volume meter. It measures the approximate volume in a selectable time period in minutes. The noise level is averaged and peaks are filtered out as far as possible. Advantages: + Any working time in minutes selectable + Optical and numerical timer + Volume display as level with color change (traffic light), numeric display and with matching emoji + Frequency of volume exceeding and percentage of them visible in time + Start, stop possible at any time + level corresponds approximately to dB + Filters out short bursts of noise like coughing, pencil dropping,... + For classroom and homeschooling + The children will be thrilled! Available for iPhone and iPad with iOS 13 and higher! Supports German and English language.