Sound Level Analyzer Lite - Simple dB Meter for iOS

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Key Details of Sound Level Analyzer Lite - Simple dB Meter

"Sound Level Analyzer Lite" is a sound level meter app for the iPhone. You can easily measure the sound levels such as the neighboring...
Last updated on June 12, 2016
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Developer’s Description

By TOON,LLC

"Sound Level Analyzer Lite" is a sound level meter app for the iPhone. You can easily measure the sound levels such as the neighboring...

"Sound Level Analyzer Lite" is a sound level meter app for the iPhone. You can easily measure the sound levels such as the neighboring environmental noise, Live event and more applications. With a built-in iPhone's microphone, this app could display neighboring mean sound level and the minimum, the maximum value just to set filter characteristic (A/C/Z) and time characteristic (Fast/Slow). It also has the calibration function to adjust the microphone level for each device.By the Ver 2.0, the measurement display of the long-term average equivalent sound level has been added as a new feature. You can know the time-averaged noise level easily.The WHO has proven direct links between noise and health risks; tinnitus, sleep disturbance, stress, cognitive impairment, heart diseases and annoyance in general. Please check your environmental noise for your wellness.For a more detailed sound analysis, we recommend that you choose our high performance app "Sound Level Analyzer" which has powerful measurement functions. TOON,LLC is a company that seeks the comfort of sound environment based on our acoustic proprietary technology, and we will provide tools for audio professional, sound technology, home theater installer, and anyone who loves audio. Features : - Sound Level Measurement function: "Leq" (equivalent continuous sound level), "Lmin" (Minimum sound level of Leq), "Lmax" (Maximum sound level of Leq), "Leq ave" (Long-term average equivalent sound level).- Display range : 0 - 130dB (measurement range: 20 - 110dB) - Frequency weighting : A and C weighting filters, Z (None weighting) - Time weighting : Fast=125ms / Slow=1.0sec - Calibration function : -20 - +20dB / 1dB unit - Measurement time : 20 sec Example of Noise level :- 130dB : airplane engine sound- 110dB : horn of the car- 100dB : train passing sounds- 90dB : noisy factory- 80dB : on the train, vacuum cleaner- 70dB : noisy office, street- 60dB : quiet car, normal conversation- 50dB : quiet office- 40dB : library, quiet residential area- 30dB : midnight suburbs, whisper- 20dB : sound of rubbing leavesNote: This app is adjusted the reference value for iPhone. However, the built-in microphone of your iPhone is likely to have a non-uniform gain. The more exact measurement should be calibrated using the absolute level calibration devices. The authorization for access to the built-in microphone will be confirmed by the iOS system at first boot. Please enable access to the microphone.For the analysis of low-frequency vibration, please try the vibration measurement app "Vibroscope"Please visit our iOS App Support page for more information on this app.