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LOUDNESS MAXIMIZER/PROGRAM ENHANCER/COMPRESSOR/CROSSOVER WPR2
WORK
WPR2
Thissymbol,whereveritappears,alerts
youtothepresenceofuninsulateddangerous
voltageinsidetheenclosure-voltagethat
maybesufficienttoconstituteariskof
shock.
Thissymbol,whereveritappears,alerts
youtoimportantoperatingandmainte-
nanceinstructionsintheaccompanying
literature.Readthemanual.
SAFETYINSTRUCTIONS
CAUTION: Toreducetheriskofelectricalshock,donotremove
thecover(orback).Nouserserviceablepartsin-
side;referservicingtoqualifiedpersonnel.
WARNING: Toreducetheriskoffireorelectricalshock,donot
exposethisappliancetorainormoisture.
DETAILEDSAFETYINSTRUCTIONS:
Allthesafetyandoperationinstructionsshouldbereadbeforetheapplianceisoperated.
Thesafetyandoperatinginstructionsshouldberetainedforfuturereference.
Allwarningsontheapplianceandintheoperatinginstructionsshouldbeadheredto.
Alloperationanduserinstructionsshouldbefollowed.
Theapplianceshouldnotbeusednearwater(e.g.nearabathtub,washbowl,kitchensink,laundrytub,inawetbasement,
ornearaswimmingpooletc.).
Theapplianceshouldbesituatedsothatitslocationorpositiondoesnotinterferewithitsproperventilation.For example,
theapplianceshouldnotbesituatedonabed,sofarug,orsimilarsurfacethatmayblocktheventilationopenings,or
placedinabuilt-ininstallation,suchasabookcaseorcabinetthatmayimpedetheflowofairthroughtheventilation
openings.
Theapplianceshouldbesituatedawayfromheatsourcessuchasradiators,heatregisters,stoves,orotherappliance
(includingamplifiers)thatproduceheat.
Theapplianceshouldbeconnectedtoapowersupplyonlyofthetypedescribedintheoperatinginstructionsoras
markedontheappliance.
Precautionsshouldbetakensothatthegroundingorpolarizationmeansofanapplianceisnotdefeated.
Powersupplycordsshouldberoutedsothattheyarenotlikelytobewalkedonorpinchedbyitemsplaceduponor
againstthem,payingparticularattentiontocordsandplugs,conveniencereceptaclesandthepointwheretheyexit from
theappliance.
Theapplianceshouldbecleanedonlyasrecommendedbythemanufacturer
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Theapplianceshouldbeservicedbyqualifiedservicepersonnelwhen:
-Thepowersupplycordortheplughasbeendamaged;or
-Objectshavefallen,orliquidhasbeenspilledintotheappliance;or
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-Theappliancedoesnotappeartooperatenormallyorexhibitsamarkedchangeinperformance;or
-Theappliancehasbeendropped,ortheenclosuredamaged.
TheusershouldnotattempttoservicetheappliancebeyondthatisdescribedintheOperatingInstructions.
Allotherservicingshouldbereferredtoqualifiedservicepersonnel.
RetainInstructions:
HeedWarnings:
Followinstructions:
WaterandMoisture:
Ventilation:
Heat:
PowerSource:
GroundingorPolarization:
Power-CordProtection:
Cleaning:
Non-usePeriods:
ObjectandLiquidEntry:
DamageRequiringService:
Servicing:
1
DoublestheloudnessofyourRecordingsandSoundReinforcementSystemswithoutanydistortion
Built-inDenoiserandExciterfornoise-freeandultratransparentsound
3DStereoSurroundProcessorprovidesunbelievablespatialenhancementandimprovedstereoimaging
SuperBassEnhancerpsycho-acousticallycreatesanincrediblebasssoundbelowyourloudspeaker'sfrequency
range
IncorporatedLevelerforconstantaverageoutputlevelwhileretainingtheinstantaneousdynamics
24-bitA/DandD/AConverterswith64/128timesoversamplingforultra-highheadroomandresolution
Internal24-bitprocessingwithprofessional48kHzsamplingrate
Servo-balancedInputsandOutputsongoldplatedXLRandTRSjackconnectorsforhighsignalintegrity
50userpresetMemoriestostoreprogramsforinstantrecall
Accurateeight-segmentLEDLevelandGainReductionmetersforoptimumperformance
FullMIDIcapabilityallowsreal-timeparametercontrolandprogramselection
Variableband-splitcompressioneliminatesvirtuallyanyintermodulationeffects,suchasbasspumpingetc.gain""
UltimateMasteringMachinemaximizessignalenergywithabsolutelyinaudibleandtransparentcompression""
MultibandBrickwallLimiterprotectsagainstanyclippinganddangeroussoundpressurelevels""
2
WPR2
WORK
WPR2
WORK
TABLEOFCONTENTS
..................................................................................................................................... 4
1.1 Frontpanel .........................................................................................................................................................
4
1.2 Backpanel ..........................................................................................................................................................
6
1.3 ..................................................................................................................................
6
2. OPERATION................................................................................................................................................
2.1.1 TheUltramizerfunction...........................................................................................................................
2.1.2 TheMax.OutLevelfunction ................................................................................................................
2.1.3 TheExciterfunction ..............................................................................................................................
2.1.4 TheSuperBassfunction .....................................................................................................................
2.1.5 The3DSurroundfunction ...................................................................................................................
2.1.6 TheDenoiserfunction ..........................................................................................................................
2.1.7 TheCrossoverparameter ....................................................................................................................
2.2 Selectingpresets .............................................................................................................................................
2.3 Editingpresets ..................................................................................................................................................
2.4 Savingpresets ..................................................................................................................................................
2.5 MIDIcontrol.......................................................................................................................................................
3. APPLICATIONS........................................................................................................................................
3.1 Levelsetting .......................................................................................................................................................
3.2 UsingtheWPR2theinastudioenvironment .........................................................................
3.2.1 TheWPR2inanalogrecording ..................................................................................
3.2.2 TheWPR2indigitalrecordingandsampling .............................................................
3.2.3 TheWPR2inmastering .................................................................................................
3.3 TheWPR2asaprotectivedevice ............................................................................................
3.4 TheWPR2inaMIDIsetup ....................................................................................................
3.5 SavingdataviaMIDI ........................................................................................................................................
3
6
8
9
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10
10
10
11
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12
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4. APPENDIX ..................................................................................................................................................
4.1 MIDIimplementation ........................................................................................................................................
4.2 Specifications ...................................................................................................................................................
13
14
15
1. CONTROLELEMENTS
7
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9
9
Restoringfactorydefaults
1. CONTROLELEMENTS
Fig.1.1:WPR2frontpanel
TheWPR2isequippedwithtenilluminatedparameterkeys,onejogwheel(rotary control),
anumericdisplay,8LEDindicatorsandapowerswitch.Eachofthetwofullyindependentchannelscanbe
monitoredwithfour8-stageLEDmeters,displayinginputlevel,outputlevelandgainreductionforboth
bands.
1.1 Frontpanel
Fig.1.2:DisplaysectionWPR2
1
ThetwoLEDchainsreadtheinputsignallevelindB,referencedtotheinternaldigitalmaximum.
PleasenotethatthenominalleveloftheWPR2canbeselectedwiththe+4dB
/-20dBleveladjusmentonthebackpanel.(see3.1"levelsetting")
2
Thegainreductionmetersshowtheappliedgainreduction.Gainreductionisshownforbothfrequency
bands.GRLOshowsthegainreductioninthelowerandGRHIinthehigherfrequencyband.
3
ThesetwoOUTLEDchainsreadtheoutputsignallevelindB,referencedtothemaximumoutput
levelof+15dBu.
4
Afterpower-up,theLEDdisplayreadsthenumberofthepresetlastused.Thisclearlylegible,2
digitnumericdisplayhasplus/minusindicatorstoshowthatparametersarebeingincrementedor
decrementedinEditmode.
1/2
41.CONTROLELEMENTS
5
Nexttothedisplay,theappropriateunitlightsuptoindicatethecorrectvaluewhichisbeingedited.
TheseeightLEDilluminatedunitsareveryimportantwithkeyswhichcanrepresentmorethanone
parameter.
Fig.1.3:Functionkeysandjogwheel
6
Withthejogwheel,acontinuousrotarycontrol,youcanfreelyedittheselectedparameters.Turn
thewheelclockwisetoincreasethevaluesorcounter-clockwisetoreducethem.
WhenyoupressthePRESETkeyonce,youcanusethewheeltoselectaprogramdirectly,which
isshownbyadotlightingupinthedisplay.Whilethisdotison,youcanselectaprogram
thoughitssettingswillnottakeimmediateeffect.Whenthejogwheelhasnotbeentouchedfora
shorttime,theLEDinthedisplaydisappearsandtheprogramisloaded.
WiththeDENOISERkeyyouhaveaccesstotwoparameterswhichinfluencetheprocess.
ForfurtherinformationontheUltramizerfunctionpleaserefertosection2.1.1.
c)Pressedthirdtime,theRANGEcanbeset(willlightupinthedisplay).Thisparameterdeterminesthe
maximumamplificationtheUltramizerfunctionmayuseinordertoachievethedesiredDENSITYandMAXIM-
UMOUTPUTLEVEL.Thevaluecanbeadjustedfrom0to24dB.
"dB"
b)Pressedasecondtime,theSPEEDoftheUltramizerfunctioncanbeset(willlightupinthedisplay).
Thisparameterisveryimportantforthedynamicbehaviorwhichdependsontheapplication.Generallylow
SPEEDsettingsaresuitediftheULTRAMIZERistoworkratherinaudiblyHigherSPEEDisrequiredwhen
shortlevelchangesshouldbelevelled.
"SPED"
""
7
8
9
10
5
11
WhentheLEFTkeyispressedonlythesettingsfortheleftchannelareedited.
12
UsetheRIGHTkeytoselecttherightaudiochannel.
Ifyouwishtoprocesstheleftandrightaudiochannelssimultaneously(COUPLEmode),pressbothLE-
FT&RIGHTkeystogether.IncouplemodebothkeyLEDslightup.Wheneveryoueditoneofthetwo
audiochannelsandthenswitchtocouplemode,theparametersoftheactivechannelwillbecopied
totheother;i.e.IfyoupressLEFTbeforeRIGHT,leftwillbecopiedtoright.
13
TheEXCITERkeyhasthreefunctions:
a)PROCESS,(willlightup)whenpressedoncetheintensityoftheExciterfunctioncanbeadjusted
rangingfrom0to100.
"PROC"
b)PressedasecondtimetheTUNEparametercanbeset(willlightup).TheTUNEcontrolsetsthelower
cut-offfrequencyoftheExciterfunction.Thecut-offfrequencycanbeadjustedwithinarangeof4to11kHz.
"Hz"
TheSUPERBASSkeyhasthreefunctions:
a)PROCESS,whenpressedoncetheintensityoftheSuperBassfunctioncanbeadjustedranging from0to100
("PROC"willlightup).
b)PressedasecondtimetheTUNEparametercanbeset("Hz"willlightup).HeretheTUNEcontrolsetstheupper
cut-offfrequencyoftheSuperBassfunction.Thecut-offfrequencycanbeadjustedwithinarangeof50to150Hz
c)AgainthethirdfunctionisreachedbypressingtheSUPERBASSkeyformorethan2seconds.The
lowerfrequencybandisnowmuted.ThisisindicatedbyafullGRLOLEDbarthatflashesonandoff.
1.CONTROLELEMENTS
UsetheMAX.OUTLEVELtosettheoutputlimiter.Thisvaluecanbesetfrom-48to0dB.ThedBvaluewilllig-
htupnexttothenumericdisplay.YoucanchangetheMAX.OUTLEVELparameterfrompeaktoRMSmodeby
pressingtheMAX.OUTLEVELkeyforabout2seconds.RMSmeansthesettingofanaveragelevelfortheMAX.
OUTLEELparameter.Peakstandsforapeakvalue.TomakeclearthatyouareinRMSmodewilllightupin
thedisplay.45
""
Usethe3DSURROUNDkeytoincreasethestereowidthofthesignal.Settingcanrangefrom0(noprocess-
ing)to100.
a)WhenpressedoncetheTHRESHOLDoftheNoiseGatecanbeset(willlightupinthedisplay)The
valuerangesfrom-90dBto0dB.meanstheDenoiserfunctionisdeactivated.
"dB"
"OF"
Pleasebearinmindthatwhenthethresholdnumberdisplayedissmall,thethresholdlevelinfactishigh
andconsequentlyonlyloudsignalswillpassthrough.Whenthevalueisloweredto-100dBforexam-
ple(referringtothedigitalmaximum)everysignalwillpass.
c)ThethirdfunctionisreachedbypressingtheEXCITERkeyformorethan2seconds.Theupperfrequencyband
isthenmuted.ThisisindicatedbyafullLEDbarthatflashesonandoff(GRHI).Thisfunctionisusefulwhenyou
wanttomonitortheprocessingoftheWPR2.Alternativelytheunitcanalsobeusedasacrossover
togenerateasubwoofersignalforinstance.
TheUltramizerfunctionenablesyoutomaximizetheperceivedloudnessoftheprogrammaterial.TheULTRAM-
IZERkeygivesyouaccesstothreeparameters:
a)WhenpressedoncetheDENSITY(DENSwilllightupinthedisplay)canbeadjusted.Thesubjectivelyfelt
densityoftheprogrammaterialistheresultoftheamountofcompressionthatisapplied.TheDENSITYcanbe
adjustedfrom0(nocompression)to100(extremedynamicgainreduction).
""
b)WhenpressedasecondtimetheSENSITIVITYcanbeadjusted(willlightupinthedisplay).Thisgo-
vernsthesensitivityofthedynamichighcutfilterandhowitreactstotheinputsignal.Thevaluerangesfrom0to
100.
"SENS"
WhentheEXCITERandSUPERBASSkeysarepressedsimultaneously,thecrossoverfrequency,between-
thelowerandhigherbandsofthemultibandcompressor-canbeadjustedfrom20Hzto20kHz.
15
TheIN/OUTkeyenablesyoutobypasstheDSPPDACIV.ThegreenLEDlightsupassoonasthe
WPR2sactivated.i
16
WheneverasettinghasbeenchangedthePRESETkeystartstoblinkslowly,indicatingthatapresethasbeen
changedbutnotstored.WhenthePRESETkeyispressedoncethecurrentpresetnumberisshowninthenumeric
display.WhenthePRESETkeyispressedagainthecurrentpresetnumberstartsflashing,youcanthenselectany
ofthe50memorylocations.Pressathirdtimetosavetheeditedprogramtoauserpresetasshowninthedisplay.
WhentheIN/OUTandPRESETkeysarepressedsimultaneouslytheWPR2
enterstheMIDImenu,whereallMIDIsettingscanbeedited.
17
UsethePOWERswitchtoswitchtheWPR2onoroff.
OUT THRU
MIDI
IN
OUTPUTS2
INPUTLEVEL INPUTLEVEL
20dB 20dB
+4dB +4dB
OUTPUTS2INPUTS2 INPUTS1
IN: REPLACEWITHSAMETYPEFUSEANDRATING
ALLINPUTS&OUTPUTS
FULLYBALANCED
TIP/PIN2
RING/PIN3
-
+
SLEEVE/PIN1
SERIALNUMBER
DATECODE
CHINA: 160-250VACT100mA
CONCEIVEDANDDESIGNEDBYDIGISYNTHETICCHINA
ATTENTION:RISKOFELECTRICSHOCK
DONOTOPENTHECOVERORBACK
DIGISYNTHETICPLUSMODELDSPPDAC
23 22 21 20 18 19
1.2Backpanel
Fig.1.4:Backpanelconnectorsandcontrolelements
6
18
UsetheOPERATINGLEVELswitchtoadapttheWPR2todifferentoperatinglevels.
You canselecta-10dBVsemi-prolevelusedforhomerecordinganda+4dBulevelusedinprofessional
studios.ThiswaytheWPR2isalwaysoptimallyadaptedtotheusednominaloperating
level.
19
ThesearetheWPR2analogINPUTS.TheWPR2hasbothXLRand
,
jack inputsandoutputs.EachXLRandjacksetiswiredparallelandcanbeusedeitherbalancedor
unbalanced.
20
ThesearetheWPR2analogOUTPUTS.AlsoonbalancedorunbalancedXLRorTRS
jacks.
,
S
21 PleasetakethetimetocompletetheenclosedWarrantyRegistrationCard.Puttheinstructionmanualin
asafeplaceandreturnthecompletedWarrantyRegistrationCardtouswithin14daysofpurchase,
makingsurethatthedealerstamphasbeenacquired.
22
ThesearetheWPR2SMIDIconnectors(MIDIOUT/THRU/IN).Viatheseconnectors
,
totalremotecontrolispossible.
23
Pleasenotethatnotallappliancescanbeusedwithdifferentmainsvoltageratings.Pleasecheck
thedescriptiononthebackoftheunitandthebox.
1.3Restoringfactorydefaults
ToprotecttheWPR2againstusererrors,animportanteditcommandhasbeenimplementedviaa
particularkeycombination.Innormaloperatingmodethepresetscannotberesettotheirfactorydefaults,so
astosecureyourownprogramsassafelyaspossible.Pleaseproceedasfollowstoreinitializethepreset
defaultsettings:
PressandkeepthekeysEffectandPRESETbeforepoweringupTheWPR2.
ThenswitchonTheWPR2andkeepthetwokeyspressedforabouttwoseconds.The
programnumbersarecountedupandresettotheiroriginaldefaultsettings.
2.OPERATION
TheWPR2isoneofthelatestgenerationdigitalprocessingdevices.Especiallydesigned
forprocessingthetotalmixorcomplexmusicsignals.WORKpastexperienceindigitaland
analogprocessingdevicescometogetherinthisnewdevice.IntheWPR2,theadvantagesofdigital
technologygohandinhandwiththewarmandpowerfulsoundofanalogdevices.TheWPR2
combines multiplefunctionsfortheprocessingofstereosignalsinonedevice.Itisamulti-bandCompressor,
a3D-SurroundProcessor,aDenoiseraswellasanExciterandaBassProcessor.Despitethisunbelievable
processingpowertheWPR2canbeintuitivelyoperatedwithanaudioqualitypreviouslyunimaginable.
2.OPERATION
ThisistheMAINSCONNECTOR/FUSEHOLDER/VOLTAGESELECTOR.Beforeyouconnectthe
unit,pleasemakesurethatthedisplayedvoltagecorrespondstoyourMainssupply.Pleasenotethatthe
ACvoltageselectionisdefinedbythepositionoftheFuseHolder.Ifyouintendtochangetheoperating
voltage,removetheFuseHolderandturnitby180degreesbeforeyoureinsertit.Matchingthetwo
markersmonitorstheselectedvoltage.Pleasenotethat,dependingonthemainsvoltagesuppliedtothe
unit,thecorrectfusetypeandratemustbeinstalled(seeChapter6.2Pleaseusethe
enclosedmainscabletoconnecttheunittothemainspowersupply.
""Specifications).
2.OPERATION
2.1.1TheUltramizerfunction
TheUitramizerfunctionadjuststheparametersofthecompressorstoachievethedesired(set)DENS-
ITY inbothbands.
WhentheRANGEparameterissetatzeroorasmallvalue,thetotaloutputwillnotincrease(oronlyslightly
increase).OnlytheDENSITYwillbeincreased,resultinginagainreductionattheoutput.Thissetupis
advisablewhenanincreaseofthegainisunwanted,forinstanceinliveapplicationswhereanunexpectedin
creaseingaincanleadtofeedback.
ULTRAMIZER DENSITY
AfterpressingtheUITRAMIZERkeyonce,youhaveaccesstotheparameterDENSITY.DENSITYisacom-
binationofParameterstheperceiveddensityofthesignal.governing
7
ULTRAMIZER SPEED
ULTRAMIZER RANGE
TheparameterRANGE,whichyouaccessafterpressingtheUITRAMIZERkeythreetimes,determines
theUltramizer
duringthequiet(er)moments.Thisfunctionisparticularlyusefulwhenusingthe
WPR2live,where
maximalgainthefunctionwillapplytothesignal.Thisway,fadeinsandfadeouts
remainunaffected.Itisevenpossibletosetthisvaluetozerosothatnoamplificationisallowedbutthe
densitywillincreasewhenahighenoughlevelisappliedtotheinput.Whentheappliedsignalreachesthe
MAXOUTLEVELthesignalwillbecompressedandlimitedbythemultibandcompresserandtheoutput
limiter.Thiswillpreventdistortionwhilemaximizingtheloudness,withouttheriskoffeedbackcausedby
anincreaseingain
unexpectedgainincreasemaycausefeedback.TheRANGEcanbeset
from0to 24dB.
2.1.2TheMax.OutLevelfunction
1.SettheMAXOUTLEVELtoalowvalue.
2.ApplyasignaltotheinputofTheWPR2thatisloudenoughtobelimitedconstantly.
3.SlowlyturntheMAXOUTLEVELupuntiltheclipLEDsoftheconnectedpoweramplifierlightupocca
-sionally.
AfterdeterminingthecorrectMAXOUTLEVELthepresetcanbestoredtorecallatanytimethesame
amplifierandspeakersareused.
YoucanadjusttheMAX.OUTLEVELparameterintwodifferentways:ThepeakandRMSmode.Inpeak
modeyoucanadjustamaximumpeakvaluewhichwillnotbeexceeded.InRMSmodeyousetanaverage
maximumlevel.YoucanswitchbetweenthesetwomodesbypressingtheMAX.OUTLEVELkeyforabout
2 seconds.Additionallythe"RBS"LEDinthedisplaywilllightup.
2.1.3TheExciterfunction
EXCITERPROCESS
WhenpressedonceyougainaccesstotheExciterPROCESSparameter.TheLEDnexttothenumericdisplay
willlightuptoshowthis.NowyoucansettheintensityoftheExcitereffectwithintherangeof0to100.
""PROC
EXCITERTUNE
WhenpressedtwiceyouhaveaccesstotheTUNEparameter.Herethisisthelowerfrequencylimitofthe
Exciterfunction.Thiscanbesetfrom4to11kHz.TheLEDbesidethenumericdisplaylightsupto
displaytheunitoftheeditedparameter.
"kHz"
2.1.4 TheSuperBassfunction
WithTheUltramizerfunctionyoucanincreasetheloudnessanddensityoftheprogrammaterial.The
WPR2analyzesthereceivedmusicmaterialandadaptsthesettingsautomatically.Thefunctionofthe
UltramizerisdependentonthethesettingoftheRANGEparameter.WhentheRANGEparameteris
setrelativelyhigh,theUltramizerfunctionwillperformthesetwoactions:
ThetotalvolumeisraisedtotheMAXOUTLEVELThetotalgainisadjustedinawaythattheoutput
limiterwillhaveaslightgainreduction.Allrelativeparametersarecontinuouslymonitoredtokeepthe
DENSITYatwhateverlevelyouhaveset.
AfterpressingTheULTRAMIZERkeyasecondtime,theparameterSPEEDcanbeset.Thisistherelative
speedwithwhichtheparametersofthecompressor,limiterandgainattheinputwillbealteredtoadapttothe
incomingaudio.ChoosealowspeedwhentheUltramizerfunctionmustdoitsjobinaudibleandhigh
speedwhenfastrecoveryfromtransientsisneeded.WhenlowspeedsarechosentheUltramizerfunctionwill
adaptslowlytonewincomingsignals,althoughthelimiterwillstillperformasa""
limiterwhichwillaffecttransients.
brickwall
IntegratedinthedesignoftheWPR2isitslimiterfunction.Keyvalueinalmostallfunctions
isthemaximumoutputlevelthatissethere.Thisvalueisasocalled""thatcannotbeexceeded
underanycircumstanceswhenTheWPR2isengaged.Thelevelcanbesetfrom
withreferencetotheinternaldigitallevel("dB"willlightupinthedisplay).0dBcorrespondsto+16dBu
Thislevelissimplysetbythefollowingsteps:
brickwall
-48dBto0
dB,
TheWPR2SExciterfunctionaddstransparencyanddepthtotheaudiosignal.Classicalmusic
materialgainstransparencyandmusicalitywhilepopularmusickeepsthedesiredbrilliance.Twoparameters
governtheperformanceoftheExciterfunction,bothcanbeaccessedbymeansoftheEXCITERkey.
,
SUPERBASSPROCESS
Becarefulnottooverloadyourpoweramplifiersorloudspeakerswhenyouuseanextremesettingofthe
PROCESSparameteroftfunction.Remember,lessismore.heSuperBass
SUPERBASSTUNE
WhenpressedtwiceyouhaveaccesstotheTUNEparameter.Thisistheupperfrequencylimitof
thefunction.Thiscanbesetfrom50to150Hz.The"Hz"LEDbesidethenumericdisplaylights
uptodisplaytheunitoftheeditedparameter.
SuperBass
SuperBass
2.1.5 The3DSurroundfunction
82.OPERATION
TheSuperBassfunction isthelowfrequencyequivalentoftheExciterfunction.Designedtoprocessthelow
frequencyportionofthesignalandtoaddtransparencyanddepth.
2.1.6TheDenoiserfunction
DENOISERTHRESHOLD
DENOISERSENSITIVITY
Whenyouuseextremesettingwiththe3DSurroundfunctiononheavilyreverberatedaudiomaterial,the
reverbcansoundunnaturalandtoointense.Thisiscausedbythewaystereoreverbsoperate.Rememb-
er,lessismore.
TheWPR2Denoiserfunctionisuniversallyapplicableandsuitedforalltypesofinstrum-
entandcomplexsignals.ThealgorithmoftheDenoiserfunctiondoesnotproduceunpleasantsideeffectslike
pumpingornoisetrails.Theparametersareforalargepartchosenautomaticallydependingontheprogram
materialandthetwoparameters,whichcanbeaccessedwiththeDENOISERkey.
,
S
TheoptimaladjustmentoftheSENSITIVITYparameterdependsstronglyonthetypeofnoiseandprogr-
ammaterial.TakethetimetosettheSENSITIVITYparameterwithcare.
2.1.7TheCrossoverparameter
Theadvantageofmultibandprocessingisinthedivisionoftheaudiospectrumintoseveralbands,inorderto
avoidthenegativeeffectsofspectralintermodulation.Thechoiceofthecrossoverfrequencywhichdivides
thebandshasinfluenceonhowtheprocessingtakesplace.Withcomplexcompositesignalsthecrossover
frequencyshouldbeinthebassarea(200Hze.g.inordertopreventmodulationofthemidandhighfre-
quencyrangebytheenergyproducedinthebassarea).Withsingleinstrumentsandvocalshowever,ahigher
crossoverfrequencyismoredesireable(2kHz),sincethecenterpointofthepowerspectrumisshiftedhere.
Forcompleteflexibilitythecrossoverfrequencycanbesetanywherefrom20Hzto20kHz,in31steps
accordingtotheISOfrequencies.ThisenablestheWPR2tobeusednotonlyasamasteri-
ngdevicebutalsoasaprocessorforsingleinstrumentsandvocals.Ifyousetthecrossoverfrequencyto
themaximumorminimumvalue(20Hzor20kHz),theWPR2willoperateasabroadb-
andcompressor.
Feelfreetoexperimentwithdifferentcrossoverfrequencysettingsandprettysoonafeelingfortheright
settingwillarise,makingtheWPR2thatmuchmoreeffectiveanduseful.
2.2Selectingpresets
TheWPR2stores50user-definablepresets.Afterpower-up,theunitautomaticallyrecalls
thepresetlastused.Toselectanotherpreset,makesurethatthePRESETkeyispressedonce.Usethejog
wheeltoenterthepresetnumberofyourchoice.Turnthewheelclockwisetoincrementthepresetnumber,or
counter-clockwisetodecrementit.
IfyoupressthekeyonceyoucanaccesstPROCESSparameter,whichdetermines
theintensityoftfunction.Thevaluecanbesetfrom0to100whilethe""LEDlightsup.
SUPERBASSheSuperBass
heSuperBassPROC
WiththettheWPR2canbeusedasa3DstereoSurroundProcessor,
increasingthestereowidthoftheprogrammaterial.Whetheryouwanttoprocessindividualinstrumentsor
theentiremix,youcansetthefunction""Theeffectmakesthesoundmorespacious,
widerandmorefull.SincethisFunctiondoesnotmakeanysensewithtwomonosignals,theCOUPLEmode
mustbeactivatedtoactivatethefunction
he3DSurroundfunction
3DSurroundonthefly.
3DSurround
WhentheDENOISERkeyispressedtwiceyoucanedittheparameterSENSITIVITY.Withthisparameter
youdeterminethesensitivityofthedynamichighcutfilter.Thisfunctionishighlyusefultoremovenoise
fromthemusicsignal.ToindicatethatthesensitivityisbeingeditedtheSENSLEDbesidethenumeric
displaylightsup.
""
PleasenotethattheWPR2generallyactivatesthenewlyselectedpresetsonlyafterabo-utonesecond,
whichisindicatedbyadotinthelowerrightcornerofthedisplay.Afterloadingthedata,theWPR2
enablesthepresetandthedotdisappears.Thisbriefinterruptionavoidsthedirectactivationofevery
preset,asyouscrollthroughthepresetlistwiththejogwheel.Thus,theWPR2makessurethatno
"unwanted"presetsareloadedunintentionally.Additionally,youcanrotatethejogwheelathighspeedand
stillhavethetimetospecificallyselectthepresetofyourchoice,insteadofanyofits"neighbours".
WhentheDENOISERkeyispressedonce,theTHRESHOLDcanbeset.ThisfunctionreflectstheNoiseGate
andisusedtoremoveunwantednoiseduringthepauses.WhentheDenoiserTHRESHOLDisbeingsetthe
"dB"LEDbesidethenumericdisplaylightsup.Thesettingcanrangefrom-90dBto0dB(nosignalreaches
theoutput).OFmeanstheDenoiserfunctionisdeactivated.""
9 2.OPERATION
Displa y Mode
0 No controller dat a is trans mitted
1 Cont roller da ta is rec eived but not trans m itted
2 Cont roller da ta is trans mitted but not received
3 Cont roller da ta is tra s mitted and rece ived
Tab.2.1:Controllersettings
Displa y Mode
0 oN program c hange data ar e trans mitted
1 P rogram chang e dat a are received but not trans mitted
2 P rogram chang e dat a are tran s mitted but not re c e ived
3 P rogram chang e dat a are tran s mitted and received
EditingpresetsiseasyontheWPR2.Basically,allessentialparameterscanbeselected
directlyviathekeypadandeditedwiththejogwheel.Somekeyhavemultiplefunctionthat
canbeaccessedbypressingthatparticularkeyrepeatedly.
Tab.2.2:Programchangesettings
Thethirdpageallowsforconfiguringcontrollercommands.Onitsright-handside,thedisplayreadsacapital
C(=Controller).Thejogwheelselectsoneofthefollowingfourcontrollermodes:""
OnthesixthpageyoucanaccesstheSystemExclusivefunctions.Thisisindicatedbyad(fordump)in
thedisplay.Totheleftofthisdanumberisdisplayed:
""""
""
"d0""d"
"d"""
meansthatnoSYSEXdatawillbesentoraccepted.1willenabletheWPR2toreceivedata.WhenPRESET
ispressedtheunitwillwaitfordata,thisisshownbyflashingdots(LEDs)inthedisplay.TheMIDIbuttonLEDflashes
signalingthatSYSEXdataisbeingreceived.2willenabletheWPR2tosendabulkdump.Startyoursequencer
andpressPRESETontheunittostartthetransmission.
IfyoupresstheIN/OUTkeyagainonthesixthpage,theWPR2quitsMIDIsetupmode.
Toloadthesesettingsagain,select"d1"pressPRESETandstartyoursequencer.IfyoupressIN/OUTagain,
youwillleavetheMIDIsetup.YoucanatalltimespressanyotherkeytoleavetheMIDIsetupdirectly.
DuringabulkdumpallaudiofunctionsoftheWPR2willbedeactivated.
10
Thefull-featuredMIDIimplementationoftheWPR2allowsforeasilyintegratingthe
WPR2intoanyMIDIsystem.Fordetailedinformationoncontrollertabspleasereferto
section4.1.
MIDIIN
MIDITHRU
TheMIDITHRUjackisusedtoloopthroughincomingMIDIdata,i.e.anycontroldatareceivedattheMIDI
INoftheWPR2willbetransmittedviatheMIDITHRUjacktootherMIDIdevices/
instruments.
MIDIOUT
3.APPLICATIONS
TheWPR2featuresahighlevelofflexibility.Thefollowingchapterdescribessomeother
possibleapplicationsforyourWPR2
3.1Levelsetting
UsetheinputlevelmeteroftheWPR2toadjusttheinputsignaltoabout-10dB.Makesure
thattheCLIPLEDneverlightsup!
3.2UsingtheC-MARKinastudioenvironment
WithitshighlyflexibleconfigurationtheWPR2alsodeliversgoodresultsinaprofessional
studioorhomerecordingenvironment.Whenusedasamasteringdevicewhilerecordingorcopyingthe
WPR2shouldbeplacedbetweensourceandrecorderasshowninfig3.1.Youcanrealize
anyapplicationrangingfromslightprocessingtothetotalmanipulationofmusicsignals.Forexample,you
canusetheWPR2asaLoudnessMaximizer,LimiterandtheDenoisersystematthesame
timewhencopyinganalogtapes.
3.2.1TheWPR2inanalogrecording
3. APPLICATIONS
Attention!Sincethe"storeenable"modeallowsyoutoaccessmemorylocationsdirectlyviaMIDI,
itispossiblethatstoredpresetswillbereplacedoralteredifcontroller#15messagesaresenton
thesameMIDIchannel.ThepurposeofthismodeistofacilitateMIDIbackupandrestore
operationswithoutexpressconfirmationattheWPR2.Itisthereforerecommendedtodisable(flag=0)this
modeassoonastheintendeddatatransferhasended.Thisisdoneautomaticallywhenyouswitchoff
theWPR2.
AnyMIDIdatasenttotheWPR2(sequencer,MIDIfootswitch,etc.)arereceivedviathe
MIDIINjack.Forexample,ifyouwishtousetheWPR2asaneffectsdeviceforyourguitarrack,youcan
connecttheMIDIINjacktoaMIDIfootswitchthatallowsforselectingprogrampresets.
IfyourrackincludesanotherMIDIeffectsdevice(e.g.amulti-effectsprocessor),thedatasentfromtheMIDI
footswitchcanberoutedatheWPR2MIDITHRUjacktoyourmulti-effectsprocessor.
TheMIDIOUTjackallowsfortransmittingMIDIdatathatoriginatefromtheWPR2.Weare
currentlydevelopingasoftwareeditorwhichwillallowforstoringsingleitemsoftheunit`sinternaldataonan
externalmedium.Thus,itwillbepossibletoarchiveWPR2settingsandpresetsonacomputer,sequenceror
MIDIdatarecorder.BothMIDIControlChangeandMIDIProgramChangecommandswillbetransmitted
whenyoueditorrecallfiltersettings..
TakecaretosetlevelsproperlyontheWPR2
Intherecordingandduplicationfieldthegoalshouldalwaysbetoachieveanoptimumrecordinglevelonto
therecordingmedia.Toolowortoohighrecordinglevelsleadtosideeffectssuchasnoise,distortionetc.In
masteringandmultitrackrecording,aswellasinduplication,oneshouldalwaystakecaretoutilizethefull
dynamicrangeofthetaperecorder,DATrecorderetc.Principally,itispossibletocontroltherecordinglevel
by"riding"faders,whichmeanswithlowlevelsignals,thegainisincreased,whereastheamplitudeofhigh
levelsignalisreduced.Itisobviousthatthismethodisinsufficientbecause,especiallyinliverecordings,the
expectedsignallevelscannotbeanticipatedcorrectly.Especiallywithmultitrackrecordings,whicharerun
underhecticcircumstances,thesignallevelofallchannelscannotbemonitoredandcontrolledatthesame
time.Generally,withmanualcontrol,itisnotpossibletoachievesatisfyingrecordingresults.
3.2.2TheWPR2indigitalrecordingandsampling
11 3. APPLICATIONS
3.2.3TheWPR2inmastering
Fig.3.1:TheWPR2asmasteringdevice
Themasteringprocessisoneofthemostcriticalprocessingstepsinrecording.Inthisproductionstep,itis
thegoaltoachievea"maxinumlevel"copyoftherecording,withoutanynoiseordistortion.Inmany
applicationsitisfurtherrequiredtoproduceahighaveragevolume.Quiteofteninthesecases,dynamics
sufferdrastically,becausetheprogrammaterialhasbeencompressedandlimitedtooheavily.Usingthe
CompressorandthePeakLimitersectionoftheWPR2allowsyoutodrasticallyincreasethe
overallvolume,withoutaudiblyaffectingthedynamics.
Proceedasfollows:
Thecutsignalpeakscauseareducedrecordinglevelofabout6dB,whichisvisibleonthelevelindicators
oftheDATrecorder.Nowincreasetherecordingleveloftherecorderbacktonormal.Theresultisalouder
recordingwithoutanylossofsound.
""
3.3TheWPR2asaprotectivedevice
Soundsystemdistortionisusuallyaresultofamplifiersandloudspeakersbeingdrivenbeyondtheirlimita-
tions,wherebysignalsarehardlimitedbyso-calledclippingoftheamplifiers.Thesignalpeaksarethere-
byclippedbecausethemaximumoutputvoltageisreached,whichleadstounpleasantandforloudspeakers
dangerousdistortions.
""
""
Apartfromthedangeroflongtermoverloadaloudspeakercanalsobedamagedbyanoccasionalhighlevel
overload,e.g.thesoundofamicrophonefallingontoahardfloor.Inordertoprotectasystemorthe
loudspeakers,theapplicationoftheWPR2isrecommended.Conventionallimitermust
restrictthemaximumoutputlevelfarbelowtheclip-pointoftheamplifier,inordertolimittheheightand
durationofoverloadingtransients.Thishasthedisadvantagethatthepowerreserveofthesystemcannotbe
fullyexploited.
MixerOutputsL&R
InputL&R
OutputL&R
TapeInputL&R
WPR2
Anautomaticgaincontrolsystemachievesbetterandmoreconstantresults.UsetheWPR2
bystartingwiththeinitialsettings,anduseitsdynamiccontrolfunctionsinordertobeabletodriveananalog,
aswellasadigitalrecording,uptothelimitofitsmaximumdynamicrangewhileremaini
Inananalogrecording,toolowrecordinglevelsleadtoanincreasednoiselevel,whereastoohighlevelswill
causeacompressedandsquashedsound.Inextremecases,itwillcausedistortionduetotapesaturation.
Incontrasttoanalog,sideeffectsinthedigitalfieldalwaysbecomeextremelyaudible:withdecreasinglevel,
atapepreviouslyrecordedwithinsufficientlevellosesresolution:therecordingsoundshardandloses
atmosphere.Withexcessivelevel,therecordingsoundsharshandheavilydistorted.Inordertoavoidthese
effects,thePeakLimitersectionoftheWPR2shouldbeplacedbeforeforexampleasampler.
ThePeakLimiterissetwiththeMAXOUTLEVELvalue.Asaresultofthisprocess,adigitalrecordingora
samplingeventcanbeoptimallysetinlevelwithoutanyproblem.
""
""
""
1.Limitthedynamicsoftheprogrammaterialby6dBusingthePeakLimitersection.Bysoftlyclippingjust
thetransients,therealaudiosignalwillnotbelimited,resultinginahigherheadroom.Theoverallgaincan
nowbeincreasedby6dB,whichleadstoahighervolume.Morethan6dBshouldnotbelimited,otherwise
sideeffectscouldbecomeaudible.
3.4TheWPR2inaMIDIsetup
OwingtotheintegratedMIDIinterfaceyoucanfullycontroltheWPR2inaMIDISetup.The
WPR2canbothreceiveandtransmitProgramCHANGESandCONTROLLERCHANGES.
Wiretheunitasfollows.
Fig.3.2:TheWPR2inaMIDIsetup
3.5SavingdataviaMIDI
TheWPR2sMIDIimplementationalsoallowsforarchivingoneorseveralpresetsonan
externalstoragemedium.Proceedasfollows:
,
ConnecttheMIDIOUTjackoftheWPR2totheMIDIINjackofaMIDIdatarecorder(e.g.
sequencer).PressthePRESETandIN/OUTkeyssimultaneouslytoenterMIDImode.Setprogramchange
modeto0andcontrollerchangemodeto3.NowquitMIDImodebypressingthePRESETkey.Usethejog
wheeltoselectthepresetwhosedatayouwishtosave.Whenthepresetisactivateditsparametersare
transmittedascontrollerdataandcanberecordedonasequencerorsimilardevice.Repeatthisroutineuntil
allpresetsofyourchoicehavebeensenttotheexternaldatarecorder.
ToloadarchiveddatabackintotheWPR2,youmustenablecontrollerreceptioninMIDImode
(see2.5).Then,startthesequencertoautomaticallytransmiteachpresetdatasetbacktotheWPR2.Pressthe
PRESETkey,selectaprogramlocationtostorethedataandthenagainpressthePRESETkey.Ifyouwanttoautomate
MIDIstorefunctionsyoumustenablethestoremode,toswitchonthereceptionofcontroller#28.Thisallowsyou
todirectlystoreanymodificationoftheactualpresetonthepresetnumberthatistransmittedwiththecontroller. Youcan
alsorestoreacompletepresetthathaspreviouslybeenrecordedwithaMIDIsequenceronthesamelocationithadbefore.
12
MIDI
Sepquencer
MIDIIn
MIDIThru
MIDIIn
MIDIOut
MIDIOut
MIDIIn1
MIDIIn2
MIDIOut
4.INSTALLATION
4.APPENDIX
4.1MIDIimplementation
Function Transmitted Recognized Remarks
Ba sic
Channel
Defaul t
Changed
OFF , 1 - 16
OFF , 1 - 16
OFF , 1 - 16
OFF , 1 - 16
me mo rize d
Mode
Defaul t
Me s s ages
Alte re d
1, 2, 3, 4
X
X
1, 2, 3, 4
X
X
Not e Num ber
Tru e Voic e
X
X
X
X
Ve locity
Not e O N
Not e O F F
X
X
X
X
Afte r Touc h
Keys
,
X
X
X
X
P it c h B ender X X
Contro l O 70 - 87 O 70 - 87 s ee add. Table
P rogr .
Change Tr u e #
O (0-49)
1-50
O (0-49)
1-50
SystemExclusive X X
System
Common
S ong P o s
S ong S e l
Tune
X
X
X
X
X
X
System
Realtime
Clock
Commands
X
X
X
X
Au x
Me s s ages
LocalON/OFF
All n o te s OFF
Ac ti ve S e n s e
Rese t
X
X
X
X
X
X
X
X
Note s
O = YES, X = NO
Mode 1: OMNI ON, P OLY
Mode 2: OMNI ON, MO NO
Mode 3: OMNI OF F , P OLY
Mode 4: OMNI OFF , MO NO
Tab.4.1:MIDIimplementationchart
Chs
,
13 4.APPENDIX
P a ra me ter Na me Dis pla y Range Midi Control
Number
Cont rol Va lue Rang e
Ma x. Out Level -48 .. 0 70 0 .. 48
RMS Mode 71 0 = P eak , 1 = RMS
S ter eo W idth 0 .. 100 72 0 .. 100
Ultram izer Dens ity 0 .. 100 73 0 .. 100
Ultram izer S peed 1 .. 100 74 0 .. 99
Ultram izer Range 0 .. 24 75 0 .. 24
De noiser Thre s hold OF, -90 .. 0 76 0 .. 91
Denoi s e r S ens itivity 0..100 77 0 .. 100
Left / Right - 78 0 = c oupled, 1 = L, 2 = R
Exc iter P roc es s 0 .. 100 79 0 .. 100
Exc iter Tune 4 .. 11 80 0 .. 100
S uper Ba s s P roc es s 0 .. 100 81 0 .. 100
S uper Ba s s Tune 50 .. 150 82 0 .. 100
Cros s ove r 20 (Hz) .. 20 (kHz) 83 0 .. 30
Low Mute - 84 0 = On, 1 = Mute
High Mute - 85 0 = On, 1 = Mute
S tor e - 86 0 .. 49
In / Out - 87 0 = Out, 1 = In
Tab.4.2:ControllerfunctionswithMIDI
4.APPENDIX 14
4.2Specifications
AnalogInputs
ConnectorsXLRand1/4"jack
TypeRFfiltered,servobalancedinput
Impedance40kOhmsbalanced,20kOhmsunbalanced
NominalOperatingLevel-20dBto+4dB
Max.InputLevel+16dBat+4dBnominallevel,+2dBat-20dBnominallevel
AnalogOutputs
ConnectorsXLRand1/4"jack
TypeElectronicallyservo-balancedoutputstage
Impedance66Ohmsbalanced,33Ohmsunbalanced
Max.OutputLevel+16dBat+4dBnominallevel,+2dBat-20dBnominallevel
Systemspecifications
Bandwidth20Hzto20kHz,-1dB
S/N>95dB,Aweighted,20Hzto20kHz
THD0.0065%typ.+4dB,1kHz,Gain1
Crosstalk<-95dB,22Hzto22kHz
MIDIInterface
Type5-Pin-DIN-SocketIN/OUT/THRU
ImplementationRefertoMIDIImplementationChartinChapter5.1
DigitalProcessing
Converters24-bitSigma-Delta,64/128-timesOversampling
SamplingRate48kHz
Display
Type2-digitnumericLED-Display1/2
PowerSupply
Fuse100-120VAC:250mA(slow-blow)
220-240VAC:125mA(slow-blow)
PowerConsumption10Watts
MainsConnectionStandardIECreceptacle
Physical
Dimensions(H*W*D)45mmX482mmX152mm
NetWeight2kg
ShippingWeight3kg
15 4.APPENDIX
AC220-240V50/60Hz
AC100-120V50/60Hz
/
