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About the application:

RTA (Real-Time Analyzer), FFT (amplitude display driven by Quick Fourier Transform), calibration, signal generators... Everything is included, bundled in a friendly interface with a lot of on-screen controls and smooth real-time display. == Features == + FFT (amplitude) and RTA (octave, 1/3 octave, ... down to 1/24 octave). + Sound pressure level dBA, dBC, and dBZ. + Noise Criterion and Noise Rating in octave RTA. + Equivalent continuous sound level LAeq, LCeq, LZeq. + Impulse response and RT60 measurement. + Really big font SPL + LEQ meter. + THD+N Total Harmonic Distortion plus Noise + Lightning-fast FFT with size from 16k to 512k, providing frequency resolution of 0.1Hz directly and 0.01 Hz with downsampling. + Sample rate of 48kHz, if supported by the device. + A lot of window functions to select from. + Logarithmic or linear frequency axis. + Peak and valley keep with adjustable decay. + Highest peak display + Adjustable exponential smoothing. + Simple pan (drag) and zoom (pinch). + Measurement cursors, also used for setting frequency of signal generators. + File load/save and full calibration capability, for accurate SPL readings. + Signal generators: tone, white noise, white sweep, pink noise, pink sweep, pink octave, pink 1/3 octave. + Synchronous measurement mode (including frequency sweep) for clean and quick spectrum analysis. + Loopback mode to test out signal generators and window functions. + Sharing and printing of screenshots. + No advertisements!