البرنامج الجديد Sound Meter Pro v2.4.8 Android لقياس شدة الضوضاء

Sound Meter Pro v2.4.9
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<br>Sound Meter Pro is the 4th set of Smart Toolsآ® collection (noise, vibration, seismometer).
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<br>SPL(sound pressure level) meter app uses your built-in microphone to measure noise volume in decibels(db), and shows a reference. We had calibrated many android devices with the actual sound level meter with dB(A).
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<br>REMEMBER!! The smart phone microphones were aligned to human voice (300-3400Hz, 40-60dB).
<br>Therefore the maximum values are LIMITED by the hardware limitation, and very loud sound(100+ db) cannot be recognized. Moto Droid (max.100), Galaxy S3 (81dB), Galaxy Note (91dB), Galaxy S2 (98dB), HTC Desire(82dB)...
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<br>Vibrometer app uses the phone sensors to measure vibration or the earthquake, and it shows a reference as a seism detector.
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<br>The measured values are the Modified Mercalli Intensity scale(MMI), and just for reference.
<br>If it is inaccurate, you can calibrate it so that the maximum value is about 10-11.
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<br>* Pro version added Features:
<br>- Sound Meter and Vibrometer are integrated
<br>- Statistic menu with saving log data
<br>- CSV file exporting
<br>- Level notification
<br>- Line-chart duration
<br>- More models are calibrated
<br>- No ads
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<br>* Do you want more tools?
<br>Get [Smart Tools] package.
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<br>For more information, see the manual, Youtube video and the blog. Thank you.
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<br>* Not Compatible with: Xperia(X10 mini), LG(Optimus One, P350), GT-I9001, ZTE, etc
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<br>Video:
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<br>https://www.youtube.com/watch?v=-bu1NDBi5w4
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<br>http://store1.up-00.com/2014-12/1419647877881.png


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