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189 APPENDIX B - GLOSSARY
Cyclic amplitude modulation similar in effect to Vibrato .
„
Toggle
Switch between two distinct states e.g. on/off, mono/poly etc..
U
„
Unipolar
Possible values can only be positive or negative, the range does
not include both. This term can apply to
Amounts as well as
modulation sources (e.g. envelopes, channel pressure).
„
Unison
Several instances of the same note at the same time.
V
„
VA
Acronym for Virtual Analogue. Traditional subtractive synthesis
emulated via software.
„
Vibrato
Cyclic pitch modulation (usually around 5Hz). LFO3 is the most
common source of vibrato in the Virus.
„
Vocoder
“Voice Encoder”: Device often used to impose the formant
characteristics of the human voice onto other signal. Originally
developed to reduce the bandwidth of speech signals for com-
munication purposes.
„
Voice
A complete sound-generation and shaping unit (oscillator, fil-
eter, envelope, LFOs etc.). A
monophonic synthesizer has only
one voice, Unison mode uses up 2 or more voices per note.
W
„
Waveshaping
Applying a distortion (“transfer function”) to a signal for complex
timbral modification.
„
Wet
The treated (e.g. reverb) portion of a sound i.e. without the orig-
inal
dry signal.