Answer :
Final answer:
Dr. Robert Moog developed the first commercial modular synthesizer, and a Voltage-Controlled Oscillator in a Moog synthesizer generates controllable frequencies for audio synthesis.
Explanation:
The first commercial modular synthesizer was developed by Dr. Robert Moog. He introduced the Moog modular synthesizer in the 1960s, revolutionizing electronic music production.
The primary function of a Voltage-Controlled Oscillator (VCO) in a Moog synthesizer is to generate an electrical signal with a frequency that can be manipulated by voltage control to produce different pitch levels. This is a fundamental module in sound synthesis, responsible for creating various musical tones.
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