9-20
Effects
Rotating Speakers
CabBypassswitchesonandoffthecabinet‐simulationpartofthealgorithm.Whenthisissetto
“In”,thecabinetsimulationisactive;whenitis“Out”,thereisnocabinetaction.
CabinetHPandCabinetLParehighpass andlowpassfilterstosetthefrequency response
limitsofthe
cabinets.Rangeofbothfiltersis16to25088Hz.
Polydistort
Thisisamorecomplexdistortionalgorithmthatprovidestwo,four,orsixstagesofdistortion.
Curvencontrolsthecurvatureoftheindividualdistortionstages.0%isnocurvature(no
distortionatall).At100%,thecurvebendsoversmoothlyandbecomesperfectlyflatrightbefore
itgoesintoclipping.
Maximumvalueis127%.
LPnFreqareshelvingfrequenciesforone‐polelowpassfi ltersoneachofthedistortionstages.
LP0þFreqhandlestheinitiallowpasspriortothefirstdistortionstage.Theotherlowpass
controlsfollowtheirrespectivedistortionstages.Rangeis16to25088Hz.
Rotating Speakers
AnalgorithmthatincludesRotatingSpeakersbreaksthesignalintotwofrequencybands,
“rotates”eachbandseparatelythroughavirtualspeaker,andthencombinestheoutputswitha
pairofvirtual“microphones”whoseanglerelativetothespeakersisadjustable.Anumberof
verysophisticatedparametershavebeenincludedinthe
RotatingSpeakersalgorithm,togive
theeffectagreatdegreeofrealism.Becauseofthecomplexityofthealgorithms,youmightwant
toapproachanyparametersthatseemalittleobscuretoyouwithcaution.
RotoInOutengagesorbypassestherotaryspeakereffect.
Therearefourvirtualmicrophones,withtwo
eachonthewoofer(LoMicAandLoMicB)and
onthetweeter(HiMicAandHiMicB).Eachmicrophonehas:
Pos(position),theangleofthemicrophonefromthefrontofthevirtualspeaker,from‐180to
180degrees;
Lvl(level)from0to100%;and
Pan,theleft/right
panningofthemicrophone’soutput,from‐100%(fullleft)to100%(fullright).
Otherparameters:
LoBeamWandHiBeamWsettheacousticradiationpatterns(“beamwidth”)ofthetwo
driversintherotatingspeaker.Ifyouimaginelookingdownontherotatingspeaker,thisisthe
anglebetween
the‐6dBlevelsofthebeam.Therangeisfrom45°to360°.At 3 60°,the driveris
omnidirectional.
Xover(Crossover)isthefrequencyatwhichhighandlowfrequencybandsaresplitandsentto
separaterotatingdrivers.Therangeis16to25088Hz.
LoGainandHiGain
arethegainsofthesignalpassingthroughtherotatingwooferortweeter,
respectively.TherangeisOff/‐79.0to24.0dB.
LoSizeandHiSizearetheeffectivesizes(radiusofrotation)oftherotatingspeakersin
millimeters.ThisaffectstheamountofDopplershiftorvibratoofthe
lowfrequencysignal.The
rangeis0to250mm.
LoTremandHiTremcontrolthedepthoftremolo(amplitudemodulation)ofthesignals.Itis
expressedasapercentageoffullscaletremolo.Therangeis0to100%.
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