Smartphone accelerometers, such as those utilized in apps like iSeismometer and Vibsensor, are not suitable for quantitative vibration analysis due to significant deficiencies in frequency response and linearity. The built-in microphones of smartphones are primarily designed for voice frequencies, limiting their effectiveness for broader vibration measurements. Evaluating the performance of these accelerometers requires a focus on their frequency response and rise time to determine their accuracy in various applications.
PREREQUISITESEngineers, researchers, and hobbyists interested in vibration analysis, as well as developers of mobile applications that utilize smartphone sensors for scientific measurements.