10月12日 的 Sound meter : SPL & dB meter 應用程式分析

Sound Meter is also known as Sound Pressure Level meter (SPL meter) , noise level meter, decibel meter(dB meter), sound level meter or soundmeter. It is a very useful app to do a sound test or measure environmental noise(noise test). The noise level meter or sound pressure level Meter(SPL meter) use the smartphone or tablet microphone to measure environmental noise in decibels(dB). The decibel(dB) value of this noise level meter or soundmeter might be vary compare with an actual Sound Meter(dB Meter). Now you can easily perform a noise measurement with your smart phone. Caution: The value of decibel meter or sound meter(dB meter) is not as precise as an actual Sound Pressure Level Meter(SPL Meter), soundmeter, decibel meter or noise level meter, this is due to most device's microphone are aligned to human voice. To fix this, use an actual sound meter or sound pressure level meter (SPL meter) to adjust decibels error as close as possible before use. If you didn't own an actual Sound Pressure Level Meter (SPL meter), go to a very quiet place where sound cannot hear and adjust the reading value to 20~30dB. Feature: - Measure environmental noise and sound - Real time update on chart graph - Display minimum(Min), maximum(Max) and average(Avg) Decibel(dB) in the recording session - Display measuring time - Reset Button is provided in case you need to reset the measuring - Play and Pause button is provided - Noise test or Sound test(decibel meter or dB meter) Sound meter or decibel meter(dB meter) level of noise 140 dB : Gun Shots 130 dB : Ambulance sirens 120 dB : Thunder 110 dB : Concerts 100 dB : Subway Train 90 dB : Motorcycle 80 dB : Alarm Clocks 70 dB : Vacuums, Traffic 60 dB : Conversation 50 dB : Quiet Room 40 dB : Quiet Park 30 dB : Whisper 20 dB : Rustling Leaves 10 dB : Breathing 0 dB : Threshold of hearing A loud noise will be harmful for both your physical and metal health. You should avoid exposure to those environment. Let our soundmeter/noise meter to measure environmental noise. Don't hesitate to download Sound Meter to protect your and your family's health.