NoiSee Sound Level Meter

Store description excerpt

Measuring sound is what we do. NoiSee - Worthy of the name "Sound Level Meter" NoiSee is an intuitive professional-grade sound level meter for Android. It features all the tools that are expected from a professional ANSI or IEC compliant Sound Level Meter. All filters, averaging modes and statistics meet or exceed class 2 requirements of relevant ANSI and IEC standards. NoiSee is specifically designed to meet the requirements for Occupational health and live sound measurements. The application was created by the team that has over 20 years experience in calibration, owning a Sound Level Meter calibration laboratory meeting the ISO 17025 requirements. The same calibration equipment was used for the development of this app. IMPORTANT NOTE Supported phones, that have internal microphone calibrated and compensated Frequency response: Galaxy series: S10e, S22, S23, S23 Ultra, A35, A52, A54, XCover7 Pro Pixel series: 3 XL, 7a - Xiaomi 12 Pro - Nothing CMF Phone 2 Pro - Sony Xperia 10 VI For other devices we make an estimation of the internal microphone Sensitivity, but it can be more than 10 dB off. The App also includes parameters and UI optimizations for analysis of live events and live audio monitoring including the running LAeq (5min, 10min, 15min and 20min averaging interval). The initial calibration works incredibly well and has been verified for the differences in microphones between different devices of the same model. It is determined with testing in an anechoic chamber meant for calibration of professional Sound Level Meters. We do not recommend changing the initial calibration for supported phones since we have established that the internal sensitivity of the microphones has insignificant variation between different devices. The app makes full use of your device's dynamic range which is approximately 35 dB to 95 dB (re. 20 uPa) and frequency response range which is from 40 Hz to 18 kHz and 35 dB to 110 dB for frequency range from 100 Hz to 8 KHz. SOUND LEVEL METER History view (also called profile view) of all relevant parameters. Parameters offers a view of all the Statistics of the current measurement (Percentiles from the ISO 1996) which are also visualized as a histogram. - All relevant time weightings available: Fast, Slow, Impulse, and Equivalent - All relevant sound measurement parameters are measured: Leq, LCpeak, LAFmin, LASmax, ... Spectrum view offers a view of time-history of the sound Level which is frequency and time-weighted. Special care has been taken to design the CPB (Constant percentage bandwidth) frequency analysis according to the IEC 61260 and ANSI S1.11 for octave analysis with options for 1/1 and up to 1/24 octave display. NOISE AT WORK Occupational Health compliant (ISO 9612, OSHA/NIOSH) and parameters including: Noise DOSE, Elapsed time. Parameters such as Threshold, Reference level and Exchange rate can also be set to custom values. Special parameters: LEX 8h, Projected DOSE, Time to reach 100% DOSE (

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