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A sound level meter (also called sound pressure level meter (SPL)) is used for acoustic measurements. It is commonly a hand-held instrument with a microphone. The best type of microphone for sound level meters is the condenser microphone, which combines precision with stability and reliability. [1]
A standalone sound pressure level monitoring-only version called Smaart SPL was released in 2020. Smaart is a real-time single and dual-channel fast Fourier transform (FFT) analyzer. Smaart has two modes: Real-Time Mode and impulse response mode.
Noise may be measured using a sound level meter at the source of the noise. [23] [24] [25] Alternatively, an organization or company may measure a person's exposure to environmental noise in a workplace via a noise dosimeter. [26] The measurements taken using either of these methods will be evaluated according to the standards below.
Sound Level Meter App is a program that can be downloaded to a mobile device. It receives noise through the phone's built-in or external microphone and displays the sound level measurement from the app's sound level meters and noise dosimeters.
sigrok is a portable, cross-platform, free open source signal analysis software suite that supports various device types, such as logic analyzers, MSOs, oscilloscopes, multimeters, LCR meters, sound level meters, thermometers, hygrometers, anemometers, light meters, DAQs, data loggers, function generators, spectrum analyzers, power supplies, IEEE-488 (GPIB) interfaces, and more.
National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, NIOSH Sound Level Meter app. Safe-in-Sound Excellence in Hearing Loss Prevention Award winners. World Health Organization- Short videos on World Hearing Day materials, available in six languages.