SignalScope Pro includes a built-in signal generator for generating test signals while simultaneously analyzing inputs. The signal generator produces any of various noise, swept sine, tonal, or periodic signals.
Noise excitation signals include random or periodic pseudorandom noise with white or pink weighting. The period of the pseudorandom noise is equal to the current FFT length of the FFT analyzer, and its magnitude is perfectly flat within a single FFT (as long as the FFT analyzer is using a uniform data window). This is useful for frequency response magnitude measurements.
Sine sweeps can be generated with a linear or logarithmic sweep rate. The sweep repeats continually and its length is equal to the current FFT length of the FFT analyzer. The linear sweep exhibits a perfectly flat magnitude response within a single FFT (as long as the FFT analyzer is using a uniform data window), and the log sweep exhibits a pink magnitude response (a pink response has a 3dB per octave drop in magnitude with increasing frequency).
A single tone can be generated at any frequency between 0 and half the audio sample rate, exclusive.
A periodic waveform generator produces a single square, tringle, or sawtooth shaped waveform. These waveforms are synthesized in a manner to minimize aliasing.
The amplitude or pan of each signal type can be adjusted. Amplitude and pan settings are stored individually for each signal type.