Sound Meter vs Scientific calculator 30 34 Usage & Stats

Sound Meter is in the 4th set of the Smart Tools collection. Have you ever suffered from the noise of the neighbors? SPL(sound pressure level) meter app uses your embedded microphone to measure noise volume in decibels(db), and shows a reference. REMEMBER! Most smartphone microphones are aligned to human voice (300-3400Hz, 40-60dB). Voice calls do not require high-performance microphones. Therefore the maximum value is LIMITED by manufacturers, and very loud sound(100+ dB) cannot be recognized. Moto G4 (max.94), Galaxy S6 (85dB), Nexus 5 (82dB) ... You can easily check if my voice is loud in a lecture or if the TV volume I turned on is not too loud. See 6th images. I calibrated major Android devices with an actual sound meter (dBA). You can trust the result in routine-noise levels (40-70dB). Please use it as an auxiliary tool. * Main features: - Upside down mode - Level notification - Line-chart duration - Material design * Pro version added features: - No ads - Vibrometer - Statistic menu - CSV file exporting * Do you want more tools? download [Smart Meter Pro] and [Smart Tools] package. For more information, watch YouTube and visit the blog. Thank you.
  • Google Play Store
  • Free
  • Tools

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This app contains a series of calc: - Pro scientific calculator 30 plus: the calcu 30 can perform all the basic fraction calculations like fractions. The x30 offers the same capabilities, include factorial, random integer and mixed fraction. - Free scientific calculator 34 emulator: Factor integer into prime in Math menu, derivatives and integrals These calculators are also contains same set of features of es, ex calc series: - Advanced calculator 991 es plus: quadratic equation solver, cubic equation solver and newton solver. - Scientific calculator 115 es plus: complex number is supported.
  • Google Play Store
  • Free
  • Education

Store Rank

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Sound Meter VS.
Scientific calculator 30 34

November 29, 2024