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Decibel apps are a convenient way to measure volume fairly accurately with your phone. Our favorite decibel apps include: Decibel Pro, Decibel X, NIOSH SLM app (for iPhone), and Sound Meter ...
Dynamic range is a measure of how small you can measure a signal relative to the maximum input signal the device can measure. Expressed in decibels, the dynamic range is 20 log (Vmax/Vmin). For example, a device with an input range of ±10 V and a dynamic range of 110 dB will be able to measure a signal as small as 10 μV.
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]
By the time the PSEM standard was published, many major sound level meter companies – in both Europe and the USA had a dosimeter in their range. Noise dosimeters are worn by workers in order to track their sound exposure over a period of time. With the accuracy of a type 2 sound level meter, a majority of noise dosimeters measure within ±2 dB A.
An audio analyzer is a test and measurement instrument used to objectively quantify the audio performance of electronic and electro-acoustical devices. Audio quality metrics cover a wide variety of parameters, including level, gain, noise, harmonic and intermodulation distortion, frequency response, relative phase of signals, interchannel crosstalk, and more.
Your iPhone or Android has a ton of hidden goodies. Here are 10 handy tips for taking better photos, using back tap, magnifying and more. 10 useful iPhone and Android tricks to help measure ...
Sound limiters are often set quite aggressively, effectively making it impossible for some types of performance to take place without tripping the limiter, for example an unamplified drumkit may trip a limiter on its own. [3] While limiters can help reduce disturbance of other properties nearby, if set badly they can spoil live performances.
The dating game may never be the same again, that’s right: the iPhone 12 Pro can measure people’s height. One of the new features on Apple’s most recent premium handset was the introduction ...