Korg PS60 Filter1 EG

Program Edit
42
Filter1 EG
TheFilterEG,orEnvelopeGenerator,letsyoucreatecom‐
plex,time‐varyingchangestothecutofffrequenciesofFil‐
tersAandB.Theparametersonthispagecontroltheshape
oftheEG.Amongotherthings,youcan:
•CreatethebasicEGshapebysettingthelevelsandtimes
ofeachsegment.
• ControlthecurvatureofeachEGsegment,forsubtle
controloverthemodulationshapeoftheEG.
•SetupcomplexmodulationofEGlevelsandtimes.
•SetupanAMSsource,suchasanLFO,torestarttheEG.
TocontrolhowmucheffecttheEGhasonthefilters,usethe
FilterEGparametersontheFilter1Modulationpage,as
describedunder()“FilterEG”onpage18).
Filter EG is also an AMS source
YoucanusetheFilterEGasanAMSsourcetomodulate
otherparameters,justlikethekeyboardtrackingandLFOs.
SimplyselecttheFilterEGintheAMSlistforthedesired
parameter.
Envelope
Filter EG
Anenvelopecreatesamodulationsignalbymovingfrom
oneleveltoanotheroveraspecifiedtime,andthenmoving
toanotherleveloveranotherperiodoftime,andsoon.
Theparametersbelowletyousetfivelevels,theamountof
timeittakestogofromeachofthelevelstothenext,andthe
shape(fromlineartocurved)ofeachtransition.
Level
Eachofthefivelevelscanbeeitherpositiveornegative.
Positivelevelswillmakethecutofffrequency(orotherAMS
destination)goupfromitsprogrammedvalue;negativelev‐
elswillmakeitgodown.
Start [–99...+99]
ThissetstheinitialEGlevelatnote‐on.
Attack [–99...+99]
ThissetsthelevelattheendoftheAttacktime.
Break [–99...+99]
Break,shortforBreakPoint,setsthelevelattheendofthe
Decaytime.
Sustain [–99...+99]
ThissetsthelevelattheendoftheSlopetime.Onceit
reachestheSustainlevel,theEGwillstaythereuntilnote‐
off,unlessitisresetviaAMS.
Release [–99...+99]
ThissetsthelevelattheendoftheReleasetime.
Time
Highervaluesmeanlongertimes,asshownbelow:
Attack [00...99]
ThissetshowlongtheEG���takestomovefromtheStartlevel
totheAttacklevel.
Forthefastestpossibleattacktime,youcansettheStart
levelto+99;inthiscase,theEGwillstartinstantaneouslyat
itsmaximumvalue.
Decay [00...99]
ThissetsthetimeittakestomovefromtheAttacklevelto
theBreaklevel.
Slope [00...99]
ThissetshowlongtheEG���takestomovefromtheBreak
leveltotheSustainlevel.OnceitreachestheSustainlevel,
theEGwillstaythereuntilnote‐off(unlessitisresetvia
AMS).
Release [00...99]
ThissetshowlongittakestheEGtomovefromtheSustain
leveltotheReleaselevel.
Note-on or reset Note-o
Attack
Time
Start
Level
Decay
Time
Release
Time
Release
Level
Attack
Level
Change to
lter cuto
Sustain
Level
Time
Break
Level
Slope
Time
EG Value Actual Time
10 10ms
20 44ms
30 104ms
40 224ms
50 464ms
60 944ms
70 1.8seconds
80 3.8seconds
90 10.9seconds
99 87.3seconds