Basic Information About polyphony
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AfterpressingOK,theEXsconfigurationwillbe
adjustedimmediately,andsampleswillbeloaded
orun‐loadedasnecessary.Loadingsamplesmay
takesometime.
TheselectedEXswillalsobeloadedautomatically
atpower‐on.
Ifthereisn’tenoughfreesampleRAMforyour
selection,a“memoryfull”messagewill
appear,and
theoperationwillbecancelled.Thismightoccurif
insufficientRAMisinstalled,orifalargeamountof
RAMsampleshavealsobeenloaded.
6. SelectandplayProgramsandCombinationsthat
usetheloadedmultisamples/samples.
Fordetails,pleaserefertothetablesbelow.
ProgrambanksandPCMmemory
CombinationbanksandPCMmemory
About polyphony
Mosthardwaresynthesizersofferasingle,fixed
methodofsynthesis,apredeterminednumberof
voices,andafixedamountofeffectsprocessingpower.
OASYSisdifferent;ithasnofixedsynthesismethod,
anditsharesitsprocessingpowerbetweenvoicesand
effects.
Thisflexibilitymeansthatthesystemcandeliver
power
whereyouneeditthemost.Forinstance,one
Programmayneedabunchofvoiceslayeredtogether,
butnotmanyeffects;anothermightneedcomplex
effectsprocessing,butnotasmanyvoices.Inboth
cases,OASYSwillautomaticallydivideitsprocessing
powerappropriately.
Unlikemostcomputer‐basedsystems,OASYSalso
monitorstheoverallprocessingpower,reducingthe
overallnumberofvoicesifnecessary,tomakesurethat
thereareneverproblemswiththeaudio.
Normally,youshouldn’tneedtothinkaboutthisatall;
itwilljusthappenautomatically.Sometimes,however,
itcanbeconvenienttoknowhowthesystemis
allocatingitsresources.TheEffect/EXiResourceMeter,
shownontheP8:InsertEffect–InsertFX,TrackView
andP9:MasterEffect–Routingpagesofeachmode,
providesthisinformation.
Effect/EXi Fixed Resource Meter
TheresourcemetershowshowtheOASYSprocessing
powerisbeingused,asanapproximatepercentageof
thetotalavailablepower.Therearethreemain
categories:FX,EXiFixed,andFreeforVoices.
Note:thedisplayedvaluesareroundedtotheclosest
1%,buttheinternalvalueshaveamuch
finer
resolution.Thismeansthatyoumaysometimesaddan
effect,butseenochangeintheresourcemeter.
FX
Thisshowsthepercentageofthetotalprocessing
powerbeingusedfortheIFX,MFX,andTFX.Thiswill
varydependingonthespecificeffectsbeingused.
IfaneffecthasbeenassignedtoanIFX,MFX,orTFX,it
willtakeupthesameamountofprocessingresources
evenif
itisturnedOfforbypassed.Ifyouwanttofree
uptheprocessingresources,changetheselectionto
000:NoEffect.
EXi FIXED
Thisshowsthepercentageofthetotalprocessing
powerusedforthefixedcomponentsofEXi
instruments.“Fixed”meansthatpartoftheEXistarts
usingprocessingpowerassoonastheEXiisloaded,
beforeplayinganynotes;thisincludesthebuilt‐in
effectsoftheCX‐3,
forexample.
OnlysomeEXiincludefixedcomponents;forinstance,
theCX‐3does,buttheAL‐1doesnot.Forinformation
onotherEXi,seetheirindividualdocumentation.
FormoreinformationonEXifixedresources,please
see“CX‐3&STR‐1:LimitationsonEXifixedresources”
onpage 382.
FREE FOR VOICES
Thisshowsthepercentageofthetotalprocessing
powerremainingaftertheFXandEXifixed
components.Thispowerisavailableforplaying
synthesizervoices.
WhenFreeforVoicesisat100%,youcanachievethe
maximumpolyphony–forinstance,172voicesofthe
HD‐1,96voicesoftheAL‐1,
or172voicesoftheCX‐3.
WhenmoreeffectsorEXifixedresourcesarebeing
used,polyphonywillbereducedaccordingly.
Note:Aswiththemeterasawhole,thenumbershown
inFREEFORVOICESisonlyanapproximation.For
example,ifFREEFORVOICESisshowing98,
the
maximumpolyphonyfortheHD‐1maynotbeexactly
172x0.98(approximately168).
Bank Expansion Samples Required?
INT-A…D No
INT-E Requires EXs1
INT-F, USER-F No
GM, g(1)
…g(9), g(d)
No
USER-A Requires EXs2
USER-B…E, G No
Bank Expansion Samples Required?
INT-A, B No
INT-C Requires EXs1
INT-D…G
USER-A…G
No
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