The application relies on the mobile microphone signal. + exporting of measures/chart data (CSV) and screenshot (PNG) + adjustable FFT size (up to 8192, about 5 Hz accuracy), adjustable FPS (up to 20) 20hz/22kHz band, 44100 Hz sampling rate + Leq (selected frequency, RMS of the observation period) + Leq (Octave, RMS of the observation period) 4 values versus selected frequency component displayed (current, Leq, max, min) tap or swipe to select the proper frequency step + 2 spectrum views (Panel & Chart, Landscape Chart) + Microphone Equalizer (Internal or External) in 1/1 Octave bands + sound level versus logarithmic frequency chart (HzLog) sound level versus linear frequency chart + 5 spectrum measuring modes (dynamic, average, peak, avg/exp smoothing) + exporting of measures, chart data (CSV) and screenshot (PNG) + current value, Leq, L90, L50 and L10 values display Leq (wideband, RMS of the observation period).current dB value, avg (Leq), min and max display.+ 3 weighting filter curves: dBA, dBB, dBC according to DIN-IEC 651 3 measuring modes (Dynamic, Average, Cumulative).This app has much more features (+) than the basic edition (no ads). RTA: audio equipment frequency response analysis (spectrum, octaves, peaks, RMS) SLM: traffic or ambient noise analysis (TNI, dBA/dBB/dBC, Leq) SPL (dB) of the microphone (internal or external) signal. This application brings the functionalities of a Sound Level Meter (SLM) and a Real Time Spectrum Analyzer (RTA) to your phone.
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