Specifications

Program Mode
The Program Editor
6-57
Oscillator Specific Control And Modulation Parameters:
SeveralKVAoscillatorsalsohavetheirownmodulationparametersthatmustbeaccessedto
controltheoscillator’sintendedfunction.Belowisalistoftheseoscillatorsandtheirdistinctive
parameters,groupedbyblocksize.Thoughthefollowingparameterscouldbeleftatone
setting,utilizingoneoftheDSPCTLorDSPMOD
techniquesdescribedintheaboveexamples
willexposeawiderrangeofexpressionfromeachoscillator.
1 Block:
LPNOIZ
Anoisegeneratorcombinedwithalowpassfilter.UsetheNoizFrqparametertocontrolthecut
offfrequencyofthefilter.
NOISE
Asimplenoisegenerator.UsetheNoiseparametertocontrolthenoiseinitialamplitude.
SW+SHP(Sawtooth+Shaper)
ThisoscillatoriscapableofbasicFMSynthesis.
ItsdistinctiveparameterisPch Coar.This
oscillatormustcomeafterthesoundsourceinanalgorithm(eitherkeymap oroscillator)in
ordertoheartheeffectofPchCoar,whichcanradicallychangewhatevertheoscillatorreceives
asaninput.WorkswellplacedafteraSinesource.
SINE+[Aliased(not
recommended)]
Sameas2blockversion,butwithouttheSine+Amparameter.
SAW+[Aliased(notrecommended)]
Asawoscillatorthatcanaddaninputsignaltoitsoutput.
NOISE+[Aliased(notrecommended)]
Anoiseoscillatorthatcanaddaninputsignaltoitsoutput.
2 Block:
SINE+
Asineoscillatorthatcanaddaninputsignaltoitsoutput.TheSin+PchandSine+Am
parametersaffectthepitchandamplitudeofthesinewaveformwithoutaffectingthepitchof
theinputsource.
RESNOISE
Anoisegeneratorcombinedwithalowpassfilterwithresonancecontrol. Use
theNoizFrq
parametertocontrolthecutofffrequencyofthefilter.UsetheNoizQparametertocontrolthe
amplitudeoftheresonance(aboostorcutatthecutofffrequency.)Onetechniqueforuseofthis
functionistosetahighvalueforNoizQ
(sothatyouhearatheresonancecreateatone,)and
thenontheDSPCTLpagesetC4asaninitialfrequencyforNoizFrq,andsetKeytrkto100ct/key
ontheNoizFrqsubpage.Doingthiscausesthenoiseresonancefrequencytomatchthenoteof
thekeyplayed.
SHAPEDSAW
TheShapedSawoscillatorisasawtoothoscillatorwiththeabilitytomorphitsoutputshape
betweensawtoothandsinewave(withoutcrossfading.)Thisoscillator’sdistinctiveparameteris
Shape,whichcontrolsthemorphing.WithShapesetto0, theoscillatorproducesapure
sawtoothwave.WithShapesetto
127,theoscillatorproducesapuresinewave.Valuesin
betweenmorphbetweenthetwowaveshap es.
PWM(PulseWidthModulation)[Aliased(notrecommended)]
Thisoscillator’sdistinctiveparameterisPWMWid,whichadjustspulsewidthfromvaluesof1‐
99.WithPWMWidsettoavalueof50,PWMproduces
asquarewave.ThefurtherthePWM
Widparameterissetfrom50,thenarrowerthepulsewidthbecomes,changingtheshapeofthe
outputwaveformandthusalteringtheoscillator’stonalquality.