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Thursday, December 13th, 2018 09:22 pm

Synth Glossary

Frequency Modulation (FM):
Frequency modulation allows the output of one oscillator to drive the frequency of another oscillator. It can generate very complex sounds from very simple waveforms and is the basis of the Yamaha DX range of synthisizers and OPL range of synthesizer chips (used in Adlib and most other soundcards)....

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VCS3
Very early VCS3 (pre-Putney), note Oscillator 1 The original portable synthesizer introduced in 1969 had a solid Aformosia cabinet which housed the following modules interconnected by means of a matrix patchboard.

3 x Voltage Controlled Oscillators.
Noise Generator.
2 x Input Amplifiers.
Ring Modulator.
Voltage Controlled Low Pass Filter.
Trapezoid Envelope Generator.
Voltage Controlled Reverberation.
Meter.
2 x Stereo Output Amplifiers.
Joystick.

The VCS3 had:3 Voltage Controlled Oscillators, a Noise Generator, 2 Input Amplifiers, 1 Ring Modulator,1 Voltage Controlled Low Pass Filter,1 Trapezoid Envelope Generator, a Voltage Controlled Reverberation unit, 2 Stereo Output Amplifiers and a Joystick. Routing the various functions of the instrument was done via a small pin patchboard.

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