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Sound Meter HQ PRO
Sound Meter HQ PRO Vs. Sound meter : SPL & dB meter

Sound Meter HQ PRO 对比 Sound meter : SPL & dB meter 的使用情况和统计数据

Application "Sound Meter HQ Pro" uses built-in microphone to calculate sound level (noise level) of surrounding. Result of the measurements is displayed in decibels on the screen of you phone. DISCLAIMER: Don't treat this utility app as a professional device to measure decibels. This tool uses built-in microphone, which was designed to capture human's voice. Such microphone is not able to capture sounds above ~90 - 100 dB (Maximum value differs depending on kind of microphone you have). In addition, some devices are equipped with AGC (Automatic Gain Control). This system can also disturb correct sound pressure level measurement. Measured noise level is presented with the help of indicator on the gauge. Loudness level varies between 0 and 140 dB. Besides live noise measurement the application displays also minimum and maximum registered level of the sound. You can clear it any time by using "Reset" button. Moreover our tool displays noise power in descriptive way. Available descriptive sound measure thresholds: 10 dB - Breathing 20 dB - Rustling leaves 30 dB – Whisper 40 dB – Quiet library 50 dB – Moderate rainfall 60 dB – Normal conversation 70 dB – Vacuum cleaner 80 dB – Food blender 90 dB – Power tools 100 dB – Motorcycle 110 dB – Rock concert 120 dB – Chain saw 130 dB – Jet takeoff (100m away) 140 dB – Shotgun Decibel meter calibration: If you have access or you possess professional sound pressure level measurements device (SPL meter) you can use it to calibrate our app. Firstly, check current decibel reading on scientific measurement device. Next open our calibration menu (calibration icon under MAX value) i our app and set the same value using +,- buttons. Features of application: 🔈 quick reaction to sound level change 🔉 decibel level presented on the gauge and in the descriptive way 🔊minimum and maximum measurements levels. 🔊possibility of calibration the result according to professional device.

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Sound meter : SPL & dB meter

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 140decibels : Gun Shots 130decibels : Ambulance 120decibels : Thunder 110decibels : Concerts 100decibels : Subway Train 90decibel : Motorcycle 80decibel : Alarm Clocks 70decibel : Vacuums, Traffic 60decibel : Conversation 50decibel : Quiet Room 40dB : Quiet Park 30dB : Whisper 20dB : Rustling Leaves 10dB : Breathing 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.