Sound Spectrum Pro v1.66 APK

Sound Spectrum Pro

RTA (Real-Time Analyzer), FFT (amplitude display driven by Fast Fourier Transform), calibration, signal generators…
Everything is included, bundled in a friendly interface with many 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.
Equivalent continuous sound level LAeq, LCeq, LZeq.
Impulse response and RT60 measurement.
Large font SPL + LEQ meter.
Lightning-fast FFT with size from 8192 to 65536, giving accuracy better than 1Hz.
Sample rate of 48kHz, if supported by the device.
Many window functions to choose from.
Logarithmic or linear frequency axis.
Peak and valley hold with adjustable decay.
Highest peak display
Adjustable exponential smoothing.
Easy 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 fast spectrum analysis.
Loopback mode to try out signal generators and window functions.
Sharing and printing of screenshots.
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