AsA is a collection of programs for the analysis of audio signals. AsA consist of three programs, that emulates some classical laboratory instruments using a simple full-duplex soundcard. dual channel.
FFT Analyzer
main features:
– dual channel.
– time window functions.
– A B and C frequency weighting.
– magnitude and phase display
– exponential and linear averaging.
– narrowband and RTA analyzer.
– frequency response compensation.
Oscilloscope
main features:
– dual channel.
– trigger
– XY display
Signal Generator
main features:
– sinusoidal wave.
– squere wave.
– triangular wave.
– phase variation between channels.
Multimeter
main features:
– Voltages measurement (Vrms, dBV, dBu)
– Sound Pressure measurement (dBSPL, dB[A], dB[C])
– Frequency measurement (Hz, Rpm)
– Distorsion measurement (THD %,THD dB)
– Resistance, Capacitance, Inductance measurement (impedance JIG is required).
– Data Logging.
Screenshoot gallery