Kurzweil PC3LE8 Specifications download pdf (Page 162)

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Setup Mode

The Setup Editor

Unipolarmeansthatafterplayinguptotheshiftlimit,theArpeggiatorbeginsshiftingnotesin

theoppositedirection,untilitreachestheoriginalpitch,whereitreversesagain.Todet ermine

thenextnotewhenitreachestheshiftlimit,theArpeggiatorcalculatestheintervalbetweenthe

shiftlimitandwhat

thenextnotewouldbeiftheshiftlimitweren’ tthere.Itthenplaysthenote

thatisthecalculatedintervallowerthanthelastnotebeforetheshiftlimit.Thesamething

happensinreversewhenthearpeggiatednotesgetbackdowntotheoriginalpitch.The

followingtable

makesthiseasiertovisualizebyshowingtheresultofarpeggiatingonenote

(C4)inUnipolarmode,withShiftAmountsetto3STandvariousvaluesforShiftLimit.

BipolarstartsoutthesamewayasUnipolar,butduringdownwardnoteshifting,itcontinues

pasttheoriginalpitchuntilit

hitstheshiftlimitintheoppositedirection,whereitreversesagain.

FloatResaddsabitofapparentrandomnesstotheprocess.“Float”meansthatwhenthe

Arpeggiatorreachestheshiftlimit,itresets—butnottoitsoriginalpitchaswithplainReset.

LikeUnipolarandBipolar,itlooksat

thefirstnotethatwouldexceedtheshiftlimit,and

calculatestheintervalbetweenthatnoteandtheshiftlimit.Itthenrestartsthecycleoflatched

notes,transposingtheentirecyclebytheintervalitjustcalculated,thenshiftingeach

subsequentcyclebythevalueofShiftAmount,until

itreachestheshiftlimitagain.

Here’saverysimpleexample.SupposethattheonlynoteintheArpeggiatorcycleis C4,Shift 

Amountis 4(athird),andShiftLimitis 7(sonoteswon’tgetshiftedaboveG4).TheArpeggiator

playsC4,thenE4.ThenextnoteshouldbeG

4,butthat’sabovetheshiftlimit—sothePC3LE

calculatesthedifferencebetweenthatG

4andtheshiftlimit(G4):onesemitone.Itaddsthat

differencetotheoriginalstartingnote(C4)andplaysthatnotenext—C

4.Thenextnote(F4)is

withintheshiftlimit,butthenextnote(A4)isn’t,soitgetstranslatedintoD4—andsoon.

FloatUniusesthesameconceptandappliesittoUnipolarmode:whentheArpeggiatorreaches

theshiftlimit,itcalculatesthedifferencebetweenthenextnote

andthelimit,andtransposesthe

nextcycleofnotesdownbythatinterval,thenshiftseachsubsequentcycledownuntilitreaches

theoriginalpitch.FloatBipissimilartoFloatUni,butthedownwardshiftlimitisn’tthe

originalpitch,it’sthenegativeoftheShiftLimitvalue.

Shift Limit

Resulting Arpeggiation (When LimitOption is Unipolar)

Comment

Up Down Up

6 ST (F#4)

C4, D

4, F

4, D

4, C4

D#4, …

Same notes play in both directions

when Shift Limit is a multiple of

Shift Amount

7 ST (G4)

C4, D

4, F

4, E4, C

4, D

4, …

Last upward note before shift limit

is F#4, next upward note would be

A4, which is 2 ST from shift limit

(G4); therefore first downward note

is E4 (2 ST below last upward note)

8 ST (G

4) C4, D

4, F

F4, D4,

4, …

A4 is 1 ST from shift limit, therefore

first downward note is F4 (1 ST

lower than last upward note)

9 ST (A4)

C4, D

4, F

4, A4 F

4, D

4, C4,

D#4, …

All symmetrical again; now A4 is

within shift limit

10 ST (A#4)

C4, D

4, F

4, A4, G4, E4, C

4, D

4, …

Next upward note would be C5,

which is 2 ST from shift limit

11 ST (B4)

C4, D

4, F

4, A4, G

4, F4, D4, D

4, …

C5 is 1 ST from shift limit

12 ST (C5)

C4, D

4, F

4, A4, C5, A4, F

4, D

4, C4,

D#4, … Symmetrical again, including C5

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Kurzweil PC3LE8 Specifications Page 162

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