Main Features Open Architecture Synthesis Studio
15
makepreciseeditstoawaveform.TheOASYS
providesnotonlyagreatsetofeditingoperations,but
alsofeaturesthatmakesampleeditingeasyand
efficient,suchasaUseZerofunctiontoautomatically
detectzero‐crossingpointsthatwon’ tproducenoise.
Detailed Specifications
•OpenSamplingSystem,withresamplingandIn‐
Tracksampling
•16‐bit/48kHzstereo/monosampling
•Uptoabout1.5GBofPCMRAM,dependingupon
theinstalledRAMandcurrentlyloadedEXs
samples;see“SamplingandRAM”onpage 123for
moreinformation
•Maximumof4,000samples/1,000multisamples(up
to128indexespermultisample)
•Directsampling
fromCD(CD‐DA)
•LoadAKAIS1000/S3000data,aswellasKorg,
AIFF,andWAVEformats
EXi expansion instruments
EXiexpansioninstrumentsallowyoutoexpandthe
synthesiscapabilitiesoftheOASYS.Someareenabled
fromthefactory,includingtheAL‐1AnalogModeling
Synth,theCX‐3TonewheelOrgan,andtheSTR‐1
PluckedString.Othersareoptional,includingtheMS‐
20EX,PolysixEX,andMOD‐7.
EXiPrograms
letyouuseanytwoEXitogether,and
provideanumberofcommonfeatures,asdetailed
below.
Detailed Specifications
InadditiontoindividualEXifeatures,allEXiPrograms
include:
•AdvancedVectorSynthesis:Usethevectorjoystick
andthevectorenvelope(temposynchronization
available)tocontroleachoscillator’svolume,synth
parameters,andeffectparameters
•Modulation:Commonstepsequencer,AMS
(AlternateModulationSource),commonLFO,two
keytrackinggenerators
•Three‐bandEQ
(adjustablemid‐frequency)
AL-1 Analog Modeling Synthesizer
ThefirstOASYSEXiExpansionInstrumentisastate‐
of‐the‐artvirtualanalogsynthengine:theAL‐1.Not
contentwithamerehandfulofmodeledvoices,the
AL‐1deliversanunparalleled96notesofpolyphony,
capableofsoundinganincredible576oscillators
(includingdualsawtoothsandnoise
generators).
Ultra-low aliasing oscillators
Thisresponsivesynthfeaturesourdistinctiveultra‐
lowaliasingoscillatorsthatrecreateallthepowerand
gloryoftrueanalogsynthesis–withouttheartifacts
thatcanoftenplaguelessermodeledoscillators.But
that’sjustthebeginning.
TheAL‐1willsatisfyallyourvintageyearnings‐and
yourfutureonesas
well.Thetwomainoscillatorsoffer
eightflexiblewaveformseach,forawidepaletteof
modulatableshapes.Otherprogressivefeatures
includewave‐shapemorphing,afloor‐thumpingsub‐
oscillatorplusavariable‐colornoisegeneratorcapable
ofwhite,pink,redflavors‐andbeyond.
Anadjustabledriveparameterprovidesadistinctive
character
tothevintageoscillatormodeling;while
sync,FM,low‐boostandseveralvarietiesofring
modulationofferplentyoftone‐manglingpower.
Externalliveaudiocanevenbeaccessedasan
additionalsignalsource.
Dual multi-mode resonant filters
EachvoicecanuseeitheroneortwoofKorg’s
incrediblyversatilemultimode(LowPass,BandPass,
BandReject[notch],andHighPass)resonantfilters.
Formaximumflexibility,thefilterscanbeconnectedin
seriesorparallel,togenerate12dBor24dBperoctave
slopes.
Korg’snewMultiFilterlets
youcrossfadeinrealtime
betweenanytwoof21differentfiltertypes–including
yourowncustommixesofLP,HP,BP,BRanddry
input.
Powerful, solid sounds from the Drive and Low
Boost circuits
Classicvintageanalogsynthesizersderivedsomeof
theircharacterfromdistortionthatoccurredineach
stageoftheircomponents.TheAL‐1featuresaDrive
circuitthatreplicatestheseclassicsounds.Youcanalso
usethedrivecircuitmoreaggressivelytocreate
punchyoverdrivensounds.There’salsoaLowBoost
circuit
thatletsyoucontrolthelow‐frequency
characterofthesound.
High-quality, high-precision, high-function LFOs
TheAL‐1providesacommonLFOforeachtimbreand
fourLFOsforeachvoice.Ifyou’ reusingthemaximum
polyphony,thismeansthatanamazing385LFOs*are
operatingsimultaneously.
YoucanchoosefromeighteentypesofLFOwaveform,
andalsoadjustthephaseofthewaveform,thecurve,
andthecentervalueoftheamplitudetocreateawide
varietyofdistinctivemodulation.Sincethewaveform
itselfisgeneratedwithextremelyhighprecision,you
cancreateperfectlysmoothsweeps.You’llappreciate
theLFO’stightnessandaccuracynotjustathigh
speeds,butalsoforlow‐speedmodulation.
It
goeswithoutsayingthatyoucanalsoapplykeysync
sothatthesamemodulationoccurseachtimeanoteis
played,orsynchronizethemodulationspeedtothe
tempotocreaterhythmicaltonalchanges.
Ultra-fast ultra-precise envelope generators
TheAL‐1providesanultra‐fastultra‐preciseenvelope
generator(EG).AswiththeEGsofthePCMsynthesis
engine,youcanadjustthecurveforeachstage(attack,
decay,slope,andrelease),andtakeadvantageof
sophisticatedmodulationfeaturesthatgowellbeyond
conventionalEGs,suchastheEG
Resetfeaturethatlets
youretriggertheEGanynumberoftimesbetween
note‐onandnote‐off.
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