Decibel levels are calculated using a logarithmic scale therefore, an increase of 10 dB represents a tenfold increase in sound energy. Measured in decibels, these readings help determine the loudness of an environment. Decibel meter apps utilize this functionality to display real-time sound levels. Sound level measurement on the iPhone uses the built-in microphones to capture audio and quantify its pressure in terms of sound pressure level (SPL). IPhones equipped with iOS can measure sound levels in decibels (dB), providing insights into the surrounding noise environment and its potential impact on hearing health. Understanding Decibel Measurement on iPhone User Interface: Look for an app with a clear and easy-to-use interface, especially if you plan to use it frequently.Price: Some apps are free with basic features, while others offer premium versions with additional functionality. Choose based on your needs and budget.Features: Decide which features are important to you, such as different weighting scales, data logging, and export options.Accuracy: While most apps claim to be accurate, some are pre-calibrated for better results. Consider reviews and testing comparisons for the most reliable option.Limited features compared to others, some reported crashes Straightforward interface, free basic functionality Some features require Pro version, ads in free versionīasic noise measurement, history log, adjustable calibration
Real-time measurements, history recording, CSV export, customizable calibrationĮxtensive data management, frequent updates Some users mention inconsistent readings, limited free features Real-time decibel display, hearing test, multiple weighting modes, data loggingįast and simple interface, additional features in Pro version Limited features in free version, some accuracy concerns reported Pre-calibrated for accuracy, comprehensive features, beautiful UIīasic noise measurements, chart recorder, different weighting settings Highly accurate measurements, Apple Watch support, frequency weighting filters, history export, Health App integration Simply select the applications, features and functions you require and we’ll tell you the best sound level meter for your requirements.Decibel Meter iPhone Apps: Compared App Name The A, C & Z Frequency Weighting is measured simultaneously by all our Optimus® Sound Level Meters. For example, the frequency weightings used on a sound Measurements made using Z-weighting are usually shown with dB(Z) to show the information is Z-weighted or, for example, LZeq, LZFmax, LZE etc.įrequency weightings are defined in the standards to which a noise measurement Is a flat frequency response between 10Hz and 20kHz ☑.5dB excluding microphone response. Information is C-weighted or, for example, LCeq, LCPeak, LCE etc. Made using the C-weighting are usually shown with dB(C) to show that the Measurement of Peak Sound Pressure level. Is a standard weighting of the audible frequencies commonly used for the Is ‘A’ weighted or, for example, as LAeq, LAFmax, LAE etc. Made using A-weighting are usually shown with dB(A) to show that the information The shape approximates the frequency sensitivity of the human ear. ‘A’ weighting filter covers the full frequency range from 20Hz to 20kHz, but Is the standard weighting of the audible frequencies and reflects the response The Cirrus Optimus Sound Level Meters will measure all three frequency weightings at the same time, saving you the risk of measuring the wrong parameter. The most used frequency weightings you will see on a modern sound level meter, or noise dosimeter are ‘A’, ‘C’ and ‘Z’. Instrument that adjust the way the instrument measures the noise. Noise dosimeter to measure and report noise levels that represent what we hear,įrequency weightings are used. Sensitive to frequencies above and below these. Your sound level meter or noise meter, you will often see references to frequencyĮars are most sensitive to frequencies between 500Hz and 6kHz and are less