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Sophia excels in creating intriguing ambiences and modulated sound effects.
The initial sound generation results from the accumulation of 4 oscillators and a sub-harmonic wave table. Multiple stages of delay and reverb combine with various low pass / band pass filtering controlled by an LFO network. In addition, two separate low pass filters are after the output stage of channels 1/3 2/4 respectively. All sound processing & signal generation is connected to the master LFO network (parameter blast-m). The LFO network makes it easy to modulate any key parameter without using external MIDI controller modulation. However, all of ABV4 Sophia's parameters are controllable via MIDI control change messages.