Moog-music Minimoog Voyager Performer Edition User Manual download pdf (Page 112)

Page 114

Voyager User’s Manual - Glossary

Page 115

Voyager User’s Manual - Preset List

Timbre – Pronounced ‘tamber’, it refers to the quality of a sound by its overtones. An unprocessed sawtooth

wave has a bright timbre, while a triangle wave has a mellow timbre.

Tremolo – Technically a form of low frequency amplitude modulation, tremolo is a smooth audible pulsing of

volume. In synthesizers, tremolo is produced when a 5-6Hz LFO triangle or sine wave signal is applied to a

voltage controlled amplier.

Waveform – The shape of an oscillator’s vibration. This determines its timbre. Commonly used waveforms

in subtractive synthesis are sawtooth, triangle, square, or rectangular. Different waveforms have different

timbres. A sawtooth has the greatest number of harmonics, and sounds bright and buzzy. A square wave

has only odd harmonics, and sounds bright, but hollow, like a clarinet. A rectangular wave can vary in shape,

but typically has a bright but thin sound, and a triangle wave’s harmonics are so low in amplitude that it

sounds muted and utelike.

VCA – Short for Voltage Controlled Amplier, a VCA is an amplier circuit where the gain is a function of the

control voltage. In the Voyager, the VCA is paired with the Volume Envelope Generator to specify the

articulation of a sound. Another CV source for the VCA in the Voyager is the Volume CV Input.

VCF – Short for Voltage Controlled Filter, a VCF is a lter circuit where the lter cutoff frequency is a function of

the control voltage. A VCF is used to control the timbre of a sound. In the Voyager, the VCF is paired with

the Filter Envelope Generator for dynamic control. Other CV sources for the VCF include the Keyboard

Amount, Modulation Matrix and Filter CV Input.

VCO – Short for Voltage Controlled Oscillator, a VCO is an oscillator circuit where the oscillator frequency is a

function of the control voltage. In the Voyager, the VCO is primarily controlled from the keyboard. Other

CV sources for the VCO include the Modulation Matrix, and Pitch CV Input.

Vibrato – Technically a very low frequency modulation, vibrato is a smooth, mild pitch warble. In synthesizers,

vibrato is produced when a 5-6Hz LFO triangle or sine wave signal is applied to a voltage controlled

oscillator, causing the pitch to deviate slightly above and below the base frequency.

Voyager – A monophonic analog synthesizer designed by Bob Moog that is a descendant of the classic

Minimoog.

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Moog-music Minimoog Voyager Performer Edition User Manual Page 112