User manual - Tasty chips · Reading this manual The GR-1 is designed as an easy-to-use device, but...

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User manual GR-1 Granular Synthesizer Written by: Pieter van der Meer Jasper Andrea Koen Pepping -Tasty Chips Team (2017-2019) Illustrated by: Koen Pepping

Transcript of User manual - Tasty chips · Reading this manual The GR-1 is designed as an easy-to-use device, but...

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User manual

GR-1 Granular Synthesizer

Writtenby:

PietervanderMeerJasperAndreaKoenPepping

-TastyChipsTeam(2017-2019)

Illustratedby:

KoenPepping

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A little history about the GR-1

TheideaoftheGR-1cameup4yearsago,whenourfriendErwinTuijl,fromtheband“PocketKnifeArmy”,broughtuptheideaofahardwaregranularsynthesizer.

PietervanderMeer,KoenPeppingandJasperAndrearepresentingtheTastyChipsTeam

(2017),tookontheideaandturneditintoreality.

Afteralotofbrainstormsessions,Hardwarerevisions,testsessions,hardworkanddedicationbyourteam,theGR-1GranularSynthesizerwasborn.

Welovethisthingandweinvestedalotintobuildingit.Wehopeyouwillenjoyandlovethe

GR-1asmuchaswedo!

In2018and2019manynewfeatureslikelivesamplingandmultitimbralitywereadded,andaswewritethisitisstillbeingimproved.

ThankyouforbuyingtheGR-1GranularSynthesizer!

-TastyChipsTeam(2017-2019)

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ContentsVersionnaming 7

Versionnamingconvention 7Documentversion 7Applicablefirmwareversion 7

Contentsofthebox 8

Warranty 9

Importantnotice! 10Powersupplyandpowerlead 10Powerspecification 10Readingthismanual 11

GR-1Specifications 12

Quickstartguide 13

Globaloverview 14Grainwindow 15Envelopesection 16Knobsection 16Presets 16LFOsection 17Modes&more 17Selectknob&Escapebutton 18Positionslider 18Display 18On/offswitch&DCadapter 19MIDIin&thru 19USBconnection 19CV&Gates 19Audiooutput 19Headphoneconnection 19

MIDIoptions 20MIDIin 20MIDIthru 21SetMIDIchannel 22

Tested(USB-)MIDIcontrollersandkeyboards 22

Samplesandaudioinput 23SampleFormats 23Loadingsamples 23

Copysamples 23Audioinput 24Configuration 24

Loopingrec 24Recordstartmode 24Reclevel 25

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Samplesize 25Clearsample 25

Recordingsamples 25Savingsamples 25SupportedUSBsoundcards 26

Patchesandpatchconfiguration 28Savingapatch 28Incrementalpatchsaves 28Loadingapatch 29

Copyapatch 29Patchvolume 30Patchconfiguration 30Global 32

Samplemode 32Keyboardtuning 32ADSRPile-up 32MIDIchannel 32GrainClockSync 32GrainKeySync 32Resampleanti-aliasing 32Granularglide 32

Scan 33ScanKeySync 33Scanloopconfinement 33Scanmode 33Scanclocksync 33

Playmode 33Respondstoplay 33Slidervolumemode 34Sliderbasenote 34Freescale 34Playscale 34

FX 34FXtype 34FXmapping 34Filtermode 34Sub-oscillator 35Sub-oscbalance 35

MOD 35LFO2->Delaysync 35CubicLFOamountcurve 35LFO1or2Sync 35LFO1or2KeySync 35LFO1or2maxfreq 35Modwheel->LFO1or2 35LFO1->2CrossModulation 35LFO1or2Quantization 36ModulationMatrix 36

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MPEPositionclipping 36Loop 36

Sampleloopconfinement 36Loopstart/endpos 36

Keyboard 37Keyboardsplit1,2 37Area0..2–Posoffset 37Area0..2–Keyboard->Pos 37Area0..1–Pitch 37

Performancesandperformanceconfiguration 38Configuration 38

MIDIchannel 38LEDBrightness 38PotmeterSetpoints 38Directshift 38VelocityCurve 38Loadsample:convertto44.1 39MIDICCupdatesvisuals 39Patchswitch->stopgrains 39DSPMetering 39MPE 39Fileselector:Soundpreviews 39Initializeperformance 39Incrementalpatchsaves 39CheckFirmwareUpgrade 40Onboardchordtogglemode 40USBDiskSync 40

SavingaPerformance 41Performancequicksave 41Loadingaperformance 41

Granularcontrolsexplained 43

SampleTuning 45

LFO’s 46Controls 46AuxLFOwaveform 47Modulationmatrix 47MIDIclocksynchronization 47

CVsection 48CVinputs: 48

CVAmount&Destination 48Gateoutput: 49Examplepatch: 49

Timbrality 51Enteringmultitimbralmode 51

Polyphony 52

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Formsofpolyphony 52Voicetimbre 52Notehold 52Voicestealing 52Audio,andavoidingdrop-outs 52Mastervolume 53Grainwindowmodification 53Temperatureandtheinternalfan 53

MIDIControltable 56PrecisionMIDI:“NRPN” 62

Firmwareupdates 63

Frequentlyaskedquestions 65

Troubleshooting 67Filesystems(USBdisk/stickformat) 67Firmwareupgrades 67Crashes 67SlowUSBdriveorstick 68

Credits 69

Specialthanksto 69

Contact 69

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Version naming Version naming convention Thisdocument’sversioniswrittenasv<major>.<minor>.<patchlevel>ThemajorandminorversionsfollowtheGR-1firmwareversions.Thepatchlevelisseparatefromthefirmwareversion’spatchlevel.Majorversionupdatesinvolveacompleteredesignoftheuserinterfaceandpossiblefeatureadditions.Minorversionupdatesinvolvefeatureadditions.Firmwarepatchlevelupdatespurelyinvolvebugfixes.Documentpatchlevelupdatesinvolveadditionstodocumentation:yetundocumentedfeatures,anderrata.Document version 2.1.3Applicable firmware version 2.1.x

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Contents of the box Firstly,congratulations!YouarenowtheproudowneroftheTastyChipsElectronicsGR-1granularsynthesizer.Thecontents:

- TheboxwithschematicdrawingoftheGR-1frontplate.NOTE:thiscontainstheserialnumberGR-XXXXonitsback!

- Externalregion-independentAC/DCpowersupply,boxed.NOTE:ACcordnotincluded.

- Quickstartguide(singleA4sheet).

- TheGR-1unit.Laterunitsincludeastickerwithserialnumber(GR-XXXX)onthe

bottomplate.Thedisplayhasaprotectivestickeronit,whichmaybepeeledoffifyouprefer.

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Warranty TheGR-1comeswitha2(two)yearwarrantyonfactorydefects.Warrantyiseffectivefromthedateofshippingoftheunit.“Factorydefects”covers:

Missingparts(seeprevioussection)

Brokenparts(forinstance:crackedscreen,brokenbuttons,knobsorsliders)

Non-functionalunit(“deadonarrival”)

Semi-functionalunitwithseriousdefect(forinstance:inabilitytoaccessanyUSBstickorUSBharddisk,leftand/orrightchannelspermanentlymuted).

Incaseofsuchdefects,[email protected],andclaimyourunittoberepaired.We’llcontactyouwithallthenecessaryinformationforreturnshippingandwillrefundallpostagecostsincurred.Pleaseunderstandthatshippingandrepairsmaytakeseveralweeksdependingontheseverityofthedefectandyourlocationintheworld.We’llfirstattempttorepairyourunit.If,andonlyif,theunitisdamagedbeyondrepair,we’llsendanewunit.Insometrivialcaseslikemissingpoweradapter,orbrokenSDcard,wewillsendthereplacementpartsdirectlytoyou,becausetheymaybeeasilyreplaced.

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Important notice!

Power supply and power lead TheGR-1comeswithitsownexternalAC/DCpowersupply.Apowerleadisnotsupplied,however.Thisisbecausetherearemanytypes(oneperworldregion),andmostpeoplehaveacouplelyingaroundathome.Formoreinformation,lookuptheIEC-60230C13/C14cablespecs[https://en.wikipedia.org/wiki/IEC_60320].Ifyouwantasparepowersupply:

• Brand:MeanWell• Model:GS18A09-P1J

Power specification PleasedonotuseanadapterotherthanincludedintheGR-1package.Usinganotheradapterorpowersource,maycausedamagetoyourGR-1.Itisprotectedagainstreversepolarityandovervoltage,butextremevoltagewillstillcausedamage!TheGR-1acceptsheavier9-12Vadaptersthanthesupplied20Wunit,butpleasecontactusbeforetrying!

Warning!

DonotuseanadapterotherthantheonethatcomeswiththeGR-1.

Donotconnecthighvoltagestotheinput/outputconnectorsoftheGR-1.

Avoidthisproductfromfalling,spillageoffluids,dustandkeepthisproductoutofdamagingenvironments.KeepyourGR-1outofreachfromchildrenandpets.

Donotopenupthisproduct.PleasecontactTastyChipsElectronicswhen(partof)yourGR-1doesnotwork(whenyouseeagreyscreen),contactinformationcanbe

foundonthelastpageofthismanual.

PleasetreatyourGR-1withloveandaffection<3

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UsingUSBdeviceswiththeGR-1willdrawextrapower,butmostofthesedevices:MIDIcontrollers,USBsticks,soundcardsandevenUSBdrives,areok.However,itmaybethatconnectingtoomanydeviceswillcausepowerissues.Beware!Reading this manual TheGR-1isdesignedasaneasy-to-usedevice,butwealsowantedtogivetheuseraccesstomorecomplexfunctions.TogettheGR-1upandrunninginashorttime,youcanreadtheQuickstartguide.Thismanualisintendedifyouwanttoknowmore,andtakefulladvantageofeverythingtheGR-1hastooffer.

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GR-1 Specifications

128grainspervoice 11voicepolyphony 4partmultitimbral StandaloneorMIDIcontrollable,MPEcapable MIDIIN&MIDITHRUconnectionwithDINandUSBMIDI AudioinputandliverecordingviaUSBsoundcard Highqualitystereoaudio:internally32bitfloat,DAC:44.1KHz,106dBSNR Highqualityheadphoneamplifierwithdedicatedvolumecontrol

QuadcoreARMCortex-ArunningoptimizedNeonSIMDcode

800x480pixel,7”TFTtruecolordisplay FirmwareupdatesviaUSB,andoverinternet SamplefileuploadsinmultipleformatsviaUSB TheGR-1canhandle32samplefilesof10MB(about2minuteslong) Presetsandperformancescanbesavedtointernalflash(4GB,or20GBinlatermodels)orexternal(USB)memory

2controlvoltageassignableinputs0-5Vwithvoltageprotection 1gateoutput 12dB/octdigitalmultimodefilterwithdirectandMIDIcontrols 2assignableLFO’swithwaveforms(sine,random,saw,square)anddirectcontrols LFOwaverecording 4banksof8presetsallhands-onaccessibleandoverwritable ADSRamplitudeenvelopeandGrainwindowenvelopewithdirectcontrols

Rotaryencoderforconfiguration,file/sampleselection.Configurationmenusprovideextendedpossibilitiesbeyondwhatthepotsandslidersoffer.

Accesstoconfigurationscreenprovidingmanymoreoptions 31x21.5x6cmaluminumcasing FullMIDIcontrol:Allon-boardslidersandknobs,andinternalcontrolsarerepresentedasMIDICC.Fullsupportforprogramchange,pitchbend,andtheentiremodulationmatrix.HighresolutionNRPNCC’salsosupportedoneverycontrol.

AbilitytoreadandwritetomanyUSBsticksordrives:ExFat,NTFS(Windows),HFS+(Mac,read-only),Ext4(Linux).

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Quick start guide TogetyourGR-1GranularSynthesizerupandrunning(standalone),youcansimplyconnectyourheadphoneandfollowthenextsteps:

1. ConnecttheadapterthatcamewithyourGR-1totheDCconnectoratthebackofyourGR-1.UseyourownIEC-60230C13/C14powerlead[https://en.wikipedia.org/wiki/IEC_60320].Turnonthepowerswitch(seefigurebelow).Thedisplayandbuttonsshouldnowlightup.

2. Pressthe“play”button,asinglevoicewillnowplayconstantlyand“bank”button1willlightup,indicatingvoice1of4isplaying.Theother3“bank”buttonswilltriggervoice3-4toplay.Whentheshiftbuttonislit,theADSRsliderswillnowfunctionaspitchcontrolsforthe4voices,makingitpossibletoplaychordsanddrones.Seefigurebelow.

ThelatestfullGR-1manualcanbefoundhere:tastychips.nl/gr1downloads

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Global overview

1. Grainwindowsection(Sides,tilt,curve)2. Envelopesection(ADSR)3. Knobsection4. Presets5. LFOsection6. Modes&more7. Selectknob&Escapebutton

8. Positionslider9. Display10. On/offswitch&DCadapter11. MIDIin&thru12. USBconnection13. CV&Gates14. Audiooutput15. Headphoneconnection

Figure1:Globaloverview

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Grain window Thegrainwindowisanamplitudeenvelopeforeachgrain.Theparametersofthegrainenvelopeare(seefigure2):

Sides Tilt Curve

Thelengthsofthewindowslopesisrelativetothegrainsizethatwasset.Inotherwords:Awindowisexactlyaslongasthegrainsize.Seefigure3below,foravisualrepresentationofwhatthe

controlsdo.

ThewindowenvelopeisdisplayedondedisplayontheGR-1(middleright).Note:Shift+SidescontrolsloopstartandShift+Curvecontrolsloopend.Theycanbefinetunedbyturningthe“select”knob.

9

Figure2

Figure3

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Envelope section Theamplitudeenvelope,istriggeredwhenakey/voiceisactive.TheenvelopeisastandardAttack,Decay,Sustain,Releaseenvelope.TheAttack,decayandReleasetimescanbesetbetween0-12seconds.TheAttackslopeislinear,theDecayandReleaseslopesareexponential.

A=Attack D=Decay S=Sustain R=ReleaseTheenvelopeisdisplayedonthedisplayontheGR-1(upperright).Knob section Theknobsection,isasectionof8singleturnpotentiometers/knobs.Allknobshavetheirownfunctionality:Presets TheGR-1isabletostore4banksof8directaccessiblepre-setpatches.Youcansaveandloadbetweenthesepresets.

Inthefigureabove,youseethatthe8buttonsontoparethepresets,the4buttonsbelowarethebanks.Thebuttonoftheselectedbank/presetwilllightup.Readchapter“Patchesandpatchconfiguration”tolearnmoreaboutsaving,loadingandcopyingpresets.

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LFO section TheGR-1has2assignableLowFrequencyOscillators(LFO’s).TheLFO’scanproduce2differentwaveformsasmodulatingsignalfordifferentparameters.ThecontrolsoftheLFO’sfromtoptobottom:

Frequency: controlsthespeedofthemodulatingsignal Amount: controlstheamountofmodulation Wave: selectsthewaveformofthemodulationsignal Dest: selectsthedestinationparametertomodulate

ReadmoreabouttheLFOcontrolsandoptionsinchapter“LFO’s”.Modes & more Thereare3modesontheGR-1:

Sample Patch Performance

Thesemodescanbeselectedwiththebuttons“Sample”,“Patch”and“Perf”.Eachmodehasitsownfileformatsandfilterforthemintheloadandsavefileselectors.Forinstance,youcan’tseesample(WAV,AIF,etc.)fileswhenyou’reloadingapatchoraperformance.Eachmodealsoinfluencesthecopybuttonaction.Youcancopyandpastesamplesandpatches,butnotperformances.Onlyoneperformancecanbeinmemoryatanytime.Readmoreaboutthesemodesinthecorrespondingchapters.PlayTheGR-1hasa“play”button.Theplaybuttontriggers1singlevoiceandmakesitpossibletousetheGR-1standalone.ReadmoreabouttheplayfunctionintheQuickstartguide.Load,saveandcopyTheGR-1isabletoload,saveandcopypatchesandperformances.Theload,saveandcopyfunctionsareexplainedindifferentsectionsofthismanual.Pleasereadthismanual.ShiftWhenactive,theshiftbutton,allowsbuttonsandknobstohavedifferentfunctions.Theshiftbuttongivesaccesstoparametersthatdon’thavetobedirectlyaccessible.

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Select knob & Escape button The“select”knobcanbeusedtoscrollthroughandselectfrommenus.Scrollingisdonebyrotating/turningtheknob.Pressingtheselectknobactivatesamenuitem.Toleavemenusandgobacktotheprevioussteppress“Escape”.

Scroll Select

Position slider Thepositionslideristhecontrolforthesampleplayposition.Thesliderwillcorrespondtothepositionoftheverticalbluelineinthesampledisplay:

Display ThedisplayvisualizeseverythingthatishappeninginyourGR-1.Mosticonsandinterfacedetailsarealreadyexplainedinthepreviousparagraphs(ADSR,window,LFOwavesetc.),butherearesomeiconsthatarenotexplainedyet:

Theiconsdisplay(fromlefttoright):

MIDIeventsviaDINinputs MIDIeventsviaUSB Knob/sliderevent

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Aknob/sliderhasa(inapatch)savedsetpointandhastobeturnedinthedirectionofthatsetpointbeforethenewvaluetakesover(seethepatchconfigurationsection)

On/off switch & DC adapter TheDCadaptercanbeconnectedtotheDCjackinput.Theon/offswitchturnsthewholeGR-1onoroff.WARNING:DonotuseanadapterotherthantheonethatcomeswiththeGR-1.

MIDI in & thru ConnectMIDIdevicestotheseDINconnectors.Seesection“MIDIoptions”formoreinfoaboutMIDIconnectivityandthechapter“MIDIcontroltable”neartheendofthismanualfortheMIDICCtable.USB connection The4USBportsoffervariousoptions:

ConnecttheMIDIoutputofoneormoreMIDIdevicestooneormoreofthe4USBportstocontroltheGR-1withMIDI

LoadsamplesfromoneormoreUSBdisks/sticks Load(copy)andsave,presetsandperformancesononeormoreUSBdisks PerformfirmwareupdatesfromaUSBdisk ConnectUSBaudiointerfaces(classcompliant)torecordaudioontheGR-1.

CV & Gates Thereare2CVinputsontheGR-1whichcanberoutedtodifferentdestinations.Thegateoutputprovidesagatesignal(5V)whentheGR-1receivesoneormorenote-onmessages.Audio output TheGR-1outputshighquality,lownoise,stereoaudioon2channels,left[L]andright[R].Headphone connection ThereisaheadphoneamplifierontheGR-1.Theknobnexttotheheadphonecontrolsthevolume.

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MIDI options TheGR-1offersalotofMIDI-options(seethetableneartheendofthismanual).Thereare2MIDIconnectorsontheGR-1,“MIDIin”and“MIDIthru”.MIDI in TocontroltheGR-1withMIDI,connecttheoutputoftheMIDIdevicetotheMIDIorUSBinputoftheGR-1:

YourMIDIdeviceofchoicenowcontrolstheGR-1.MIDIinoffersthefollowingMIDIfeatures:

Note(11voicepolyphonic,velocitysensitive) Pitchbend(bendsallplayednotesintune) Controls(cutoff,ADSRtimes,LFOfrequency,etc.canbecontrolledwithMIDIcontrols)

SeeMIDIcctableatthebackofthismanualforthecorrespondingMIDIchannels,CCnumbersandmore.

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MPEMIDIcontrollerscanbeenabledintheperformancemenu.TheGR-1thensupportspitchbend,aftertouchandtimbre,pernote.

MIDI thru TheGR-1canbechainedwithotherMIDIcontrolleddevices,bysimplyconnectingaMIDIcablefromtheMIDIthruconnectorontheGR-1totheMIDIinofanyothersynthesizer:

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Set MIDI channel TosetthechangetheMIDI-channeltheGR-1listensto,youwillneedtoentertheconfigurationscreentodothis.

1. Pressthe“shift”+“Perf”toenterconfigurationscreen2. Select“MIDI-channel”parameterwiththe“select”knob(turn&press)3. Selectthedesiredchannelwiththe“select”knob(turn&press)4. Press“Escape”buttontoexittheconfigurationscreen

TurningleftcompletelywillsetOMNImode.TheGR-1willnowreacttoeveryMIDIchannel.Atleast,thiswasthecaseuntilfirmwareversion2.1.2(!).WedecidedtoremoveOMNI,becauseitcancauseclashesbetweennotesplayingonmultiplechannels.IfyouwanttousemultiplechannelsusetheMIDIchannelsliderinthepatchmenu.AllavailableMIDIcontrolsaredocumentedinthechapter“MIDIControltable”.Tested (USB-)MIDI controllers and keyboards AKAIMPK25AlesisQ25ArturiaBeatstep*ArturiaKeystep*ArturiaMatrixbruteCasioHT-700JouéboardKomaKomplexsequencerMidistart2MoogSub37NativeInstruments88SMKIIRoliSeaboardBlockSenselMorph(usingthepianokeyboardoverlay)StudioLogicMixFaceSynthstromDelugeTeenageEngineeringOP-1ForproperresultswiththeArturiacontrollersyouwillneedtoturnoff“TransportCC’s”inArturia’s“MIDIControlCenter”programonyourPC/Mac.

*NeedsGR-1Firmwarev1.2onwardstofunctionproperly.

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Samples and audio input TheGR-1canloadsamplesindifferentformatsfromtheinternalorexternal(USB)memory.Sample Formats TheGR-1canhandledifferentaudioformatsandquality,withamaximumof10MB(about2minuteslong).Thesampleswillinternallybeconvertedto44.1KHz16bit,mono.Thefollowingformatsareaccepted:

.wav .ogg .flac .aiff .avr .XI

Loading samples Toloadasample,followthenextsteps:

1. Pressthe“sample”buttontoentersamplemode,thisbuttonwillnowlightup2. Pressthe“load”button,youwillnowenteramenuthatlookslikefigure43. Selectthedesiredsampledirectorywiththe“select”knob(turnandpresstheknob)4. Selectthedesiredsamplewiththe“select”knob(turnandpresstheknob)

Tocancelsampleloadingandexitthemenupressthe“Escape”button.TheEscapebuttoncanalsobeusedtocancelopeningabigfolder,whichwouldotherwisetakealongtime.Notethatsamplescanbeplayed,orpreviewedinthefileselector.Forthisyou’llneedtoturnon“Samplepreviews”intheperformancemenu.

Copy samples Tocopysampletoanotherpreset,followthenextsteps:

Figure4

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1. Pressthe“sample”buttontoentersamplemode,thisbuttonwillnowlightup2. Pressthe“copy”button,thecopybuttonwillnowblink3. Pressthedesired“preset”(withbankandorpresetbuttons)4. Pressthe“copy”buttonagain,thecopybuttonwillnowstopblinking

Tocancelafterstep2,simplypressthe“Escape”button.Itispossibletorecordandprocess(realtime)incomingaudio.Recordedaudiocanbesavedasasample.Audio input ThereisnoaudioinputontheGR-1itself,butitcanrecordaudiousingUSBclasscompliantaudiointerfacesanddongles.

Configuration ToentertheSampleconfiguration,press“Shift”andthen“Sample”.Theconfigurationparameterscanbesetwiththeselectknob.Leavethisconfigurationsscreenwith“Escape”.Inthetopyoucanseethedetectedaudiointerface/soundcard.Defaultitwillread:“Soundcard[Nonefound]”.Whenoneispluggedinitshoulddetectitwithinasecondortwo:“Soundcard[BizBazAudioFrobnicator]”Looping rec With“loopingrec”turnedoff,therecordingofthesamplewillbeaoneshotrecording.Turn“loopingrec”ontodocontinuousrecording/real-timeprocessing.Record start mode Youcanturnontheabilitytorecordhereandselectthestartpointforrecording.Thefollowingstartpointsareavailable:

• Currentposition:Whenpausingtherecording,recordingwillstartfromthatsamepointwhenactivatedagain

• Wiper:Recordingstartsfromthesampleposition,whenactivated

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• Start:Recordingstartsfrom0.0s,whenactivatedRec level Youcanadjusttherecordinglevelwiththissliderhere.Thisgoesfrom0.0uptofactor2.0.Sample size Thesamplesizeor“recordingduration”(inseconds)canbesethere.Thiswilltakeeffectimmediately.Ifyoudidthisaccidentally,pressthispreset’sbuttontoundoallunsavedchangestosampleand/orpatch.Notethatresizingonlyworkswhennotrecording!Thisisadesignchoice,becausetheGR-1hasnowaytoknowwheretorecordinthebufferonceithasresizedtosomethingsmaller.

Clear sample Selectandpush(usedtobeSelectandturninfirmwareversions<1.5)tocreateanewsamplewiththenumberofsecondssetwith“Samplesize”.Ifyoudidthisaccidentally,pressthispreset’sbuttontoundoallunsavedchangestosampleand/orpatch.Recording samples Tostartsamplingfirstseetoitthatyou’veusedthesamplingmenudescribedabove,andmakesureyouenabledsamplingstartposition.Youcanturnon“loopingrec“aswellifyouwanttousetheGR-1forlivesamplingandreplaysimultaneously.Itwillthenkeeploopingthroughitssamplebufferuntiltheusermanuallystopsit(pressSelect).HookupyourUSBsoundcardandconnectittoasoundsource.Nowmakesureyou’reinthemainscreenandthenpressSelect.Aredwipershouldappearandshouldstartrunningforward.Ifitstaysstill,thenre-plugtheUSBcable.TheGR-1willnowrecordtheincomingsoundintothebuffer.Samplingisdone44.1kHz,16bit,mono.Multi-channelsourcesareconvertedbacktomono.Youcanusetheplaybuttonandscanknobtoplaythroughthebufferatdifferentspeeds,evenbackwards.Allonplaymodefunctionsareavailable.Includingtheon-boardchordbuttonsandsliders.Allgranularparametersandsynthesizerparametersarealsodirectlycontrollablewhileplayingtherecordingsounds.Tostoprecording,pressSelectoncemore. Saving samples Tosaveyoursample,followthenextsteps:

1. Pressthe“sample”buttontoenter“samplemode”,thisbuttonwillnowlightup2. Pressthe“save”button,youwillnowenterthesavescreen3. Selectthedesireddirectorywiththe“select”knob,(turntheknob)

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4. Presssaveandthennameyoursample(ifyoulike).Seebelow.5. Pressthe“save”buttontosave.

Tocancelanytimeafterstep2,simplypressthe“Escape”buttontwice.CAUTION:NEVERpowerdownyourGR-1whilesaving.Datacorruptionmayoccur!Naming0.Thedefaultnamewillshowinthetextbox1.TurnSelecttochooseacharacterinthenamewiththeredcursor2.PushSelecttoeditthatcharacter.Itwillnowturnbluetoindicateeditmode.3.Turntoscrollthroughthealphabetandnumbers.4.Pushtheselectedalphanumericalcharacterandgobacktocharacterselectionmode.5.Repeatsteps1..4untilyouhavewrittenyourname.6.Press“save”toconfirmyouwanttousethisname.NOTE:youcannotsavesamplesto/media/internal.ThisisbecausetheGR-1hasnodeletebutton.So,theGR-1wasdesignedtonotallowarbitrarystorageontheinternalSDcard.Otherwiseitcouldfillupandcausesystemmalfunctions.Supported USB soundcards Anyclass-compliantcardshouldwork,butsomearedefinitelybetterthanothers.Thebest:

• ALTO1604• BehringerUCA222• BehringerUFO202(somewhitenoise)• EWENTEW3751• FocusriteScarlet2i2(inputvolume50%)• SweexUSBSoundCardAdapter• TerratecAureonUSBMini• MiniDSPUSBStreamer(ADAT,TOSLink->USB)• Zoomfieldrecorders:

o H1No H2o H4o H5

Zoomfieldrecorders:Whilewedonotowntheseourselves,severalusershavepointedoutthattheyworkfinewiththeGR-1,butexternalpowerisrecommended.Thesework,buthaveissueswithperiodicplopsandcrackles:

• SoundBlasterPlay!3• ApogeeJam• ZoomH6fieldrecorder

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• ElektronAnalogHeatNOTE:TheofficialRaspberryPiUSBdriversoftwarecausesthesecrackles.There’snotmuchwecandoaboutit.EventuallytheGR-1maybeupgradedtodifferentcomputerhardware.Thiswillmostlikelysolvetheseissues.NOTE:TheZoomH6needstobesetupin“interface”modeforittobeusedasaudioinputdevicebytheGR-1.Unsupported:

• MOTUTrack16Ifasoundcardisnot“USBAudioclasscompliant”,andrequiresaspecialdriverforittoworkonWindows,Mac,orLinux,thenitisnotsupportedbytheGR-1.Therearenoplansforaddingsupportfornon-classcompliantUSBsoundcards,asallofthemhavehighlyspecificdriversoftwaremakingitimpossibleforustomaintaininthefuture.

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Patches and patch configuration Whenyouaretweakingknobsandpressingbuttonsyouaremakinga“patch”.Youcansave,loadandcopyapatch.Aperformanceconsistsof4banksof8overwritablepresetsthataredirectlyaccessible.Saving a patch Tosaveyourpatchasapreset,followthenextsteps:1. Pressthe“patch”buttontoenter“patchmode”,thisbuttonwillnowlightup2. Pressthe“save”button,youwillnowenterthesavescreen3. Selectthedesireddirectorywiththe“select”knob,(turntheknob)4. Presssaveandthennameyourpatch(ifyoulike),seebelow.5. Pressthe“save”buttontosaveTocancelanytimeafterstep2,simplypressthe“Escape”buttontwice.Naming0.Thedefaultnamewillshowinthetextbox1.TurnSelecttochooseacharacterinthenamewiththeredcursor2.PushSelecttoeditthatcharacter.Itwillnowturnbluetoindicateeditmode.3.Turntoscrollthroughthealphabetandnumbers.4.Pushkeeptheselectedalphanumericalcharacterandgobacktocharacterselectionmode.5.Repeatsteps1..4untilyouhavewrittenyourname6.Press“save”toconfirmyouwanttousethisnameCAUTION:NEVERpowerdownyourGR-1whilesaving.Datacorruptionmayoccur!Waituntilthedisplayrespondstoinputagainbeforeattemptingtopowerdown.NOTE:youcannotsavepatchesto/media/internal.ThisisbecausetheGR-1hasnodeletebutton.So,theGR-1wasdesignedtonotallowarbitrarystorageontheinternalSDcard.Otherwiseitcouldfillupandcausesystemmalfunctions.Incremental patch saves Ifyouwanttokeepoldversionsofyourpatch,dothefollowing:0. Ifyouhaven’tdonesoalready:enabletheincrementalpatchsavestoggleinthe

performancemenu(“shift”+”perf”).1. EitherloadaseparatepatchfromUSB(patchsavetointernalstorageisnotallowed),or

saveyourpatchunderanewname(seeabove).2. Holddown“shift”,andpress“save”.Thiswillresultinablinkingsavebutton,and

possiblyamomentarilyhalteddisplay.Apopupshouldappearwiththenameoftheincrementalsavepatch-0,patch-1,patch-2,etc..

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CAUTION:NEVERpowerdownyourGR-1whilesaving.Datacorruptionmayoccur!Waituntilthedisplayrespondstoinputagainbeforeattemptingtopowerdown.Loading a patch Toloadapatch,followthenextsteps:1. Selectthepresettoloadthedesiredpatchon,usingthebankandpresetbuttons2. Pressthe“patch”buttontoenter“patchmode”,thisbuttonwillnowlightup3. Pressthe“load”button,youwillnowentertheloadscreen4. Selectthedesiredpatchfolderwiththe“select”knob,(turnandpresstheknob)

Tocancelafterstep2,simplypressthe“Escape”buttontwice.Copy a patch Tocopythecurrentpatchtoanotherpreset,followthenextsteps:

1. Pressthe“patch”buttontoenter“patchmode”,thisbuttonwillnowlightup2. Pressthe“copy”button,thecopybuttonwillnowblink3. Selectthepresettocopythedesiredpatchto,usingthebankandpresetbuttons4. Pressthe“copy”button,thecopybuttonwillnowblink

Tocancelafterstep2,simplypressthe“Escape”buttontwice.

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Patch volume Thepatchvolumeisveryhandywhenitcomestomatchingvolumesofdifferentpatchesfora(live)performance.Thepatchvolumecanbecontrolledwiththe“FX-2”knobwhentheshiftbuttonislit,seefigure5:TODOPatch configuration Press“shift”andthen“patch”toenterthe“patchconfiguration”screen.Youwillnowbeabletoset:

----GLOBAL---- Samplemode Keyboardtuning ADSRPile-up MIDIchannel Grainkeysync Grainclocksync Resampleanti-aliasing Granularglide

----SCAN---- Scankeysync Scanloopconfinement Scanmode Scanclocksync

----PLAYMODE---- Respondstoplay Slidervolumemode Sliderbasenote Freescale Playscale

----FX---- FXType FXMapping Filtermode Sub-oscillator Sub-oscbalance LFO2->delaysync

----MOD----

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CubicLFOamountcurve LFO1Sync LFO2Sync LFO1KEYSync LFO2KEYSync LFO1->2Crossmodulation LFO1maxfreq LFO2maxfreq Modwheel->LFO1 Modwheel->LFO2 LFO1Quantization LFO2Quantization Modulationmatrix MPEPositionclipping

----LOOP---- Sampleconfinement Loopstartpos Loopendpos

----KEYBOARD---- Keyboardsplit1and2 Area0..2:PosOffset Area0..2:Keyboard->Pos Area0..2:Pitch

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Global Sample mode Thistogglesbetweennormalgranularmodeandsampleauditionmode.Thisfunctionisusefultoquicklypreviewsampleswithoutbeinginthefileselectorallofthetime.Easiertouseisfromthemainscreen:Shift+Play.Youcannowalsousethepositionslidertopreviewthedesiredpartofthesample.Keyboard tuning IfyoursampleisnotintheCkey,youcaneasilytuneit:Scrolltothisoptiontohighlightit,thenhitthematchingnoteontheMIDIkeyboard.ADSR Pile-up ThistogglesbetweenstartingtheADSRenvelopefrom0orresumingwhereitstarted.Thisapplieswhenrepeatedlyplayingthesamenoteonthekeyboard.Especiallywithlongreleases,ADSRpile-upisuseful.Voicestealingwillonlyoccurinextremecases.Butsometimesyouwanttohaveabruptattacks.So,thenyoucanturnthisoptionoff.MIDI channel Usetheslidertoswitchbetween3modes:OFF,Default,channel1..16.OFF:thispatchdoesn’trespondtoMIDIdataDefault:thispatchrespondstoMIDIdatalikeconfiguredintheperformancemenuChannel1..16:thispatchrespondsexclusivelytothisMIDIchannelGrain Clock Sync Turnthisontosynchronizethedensityparameter(therateatwhichgrainsspawn)totheincomingMIDIclock.InthismodetheDensityknobisusedtosetmultiplieranddivider(withShiftpressed). Grain Key Sync Whenthisison,agrainwilltriggerdirectlywhenanoteisplayed.Whenthisisoffthegrainssequencingisindependentfromnotetriggers.Resample anti-aliasing Whenthissettingis“ON”ananti-aliasingfilterwillbeturnedon.Thiscanreducetheamountofvoices/polyphony,butincreasestheaudioquality.Granular glide Normallythegrainsthatareplayingwillplayuntiltheendoftheset“grainsize”atthesamenotepitchofthenotethatwasplayedwhenthegrainstartedplaying.WhentheGranularglidesettingis“OFF”thegrainswillbetunedtothenotesthatareplayedatthatverymoment.

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Ifyouwantthegrainstofollowtheplayedpitchimmediatelyturnthissetting“OFF”.Ifyouhavelongergrainsandwanttohaveagranular-choruslikefunctionthatglidesbetweennotes.Turnit“ON”.Thisfeaturecanalsobeusedtocreateaswarmlikesoundwhereallgrainshaveadifferentpitch.Justtrytowigglethe“Pitch”knob,oruseanLFOtomodulateTUNE.SettheLFOspeedhighenoughandyou’llgetaswarm-likechoruseffect.LFOamountcanaddadditionaldramaticeffect.Scan Scan Key Sync Thescanning(scan)throughthesamplecanbesyncedtoavoicetrigger/note-onevent.When“ScanKeySync”is“On”,thescanpositionwillresettothe“Playposition”oneveryvoicetrigger/note-onevent.“Legato”willonlyresettheplaypositiononthefirstnoteplayed.Scan loop confinement Turnthisontoconfinethescanningtothelooparea.Theloopareaissetupwiththeloopstartandloopendcontrols.Whenthisisoff,theentiresamplewillbescannedthrough.Noteifyouhavethison,it’sbesttodisabletheoption“Sampleloopconfinement”.Otherwisegrainswillwraparoundthisarea,mostlyresultinginclicksandplops.Scan mode TheGR-1scanningmovementhasthreemodes:

• Loop• Oneshot• Pingpong

Thescanknobinfluencesspeedanddirectionofallthesemodes.Scan clock sync TurnthisontosynchronizethescanmovementspeedtotheincomingMIDIclock.Inthismodethescanknobisusedtosetmultiplieranddivider(withShiftpressed).Play mode Thispartofthemenugovernshowplaymode(initiatedbytheplaybutton)reactstovariouscontrols…Responds to play Togglethistomakethispatchresponsivetoplaymodeornot.Sometimesit’susefultomakeapatchexclusivelyresponsivetoaMIDI,whileotherpatchesareexclusivelyresponsivetoplaymode.

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Slider volume mode Togglesbetweenpitchcontrolandvolumecontrolonthevoicesliders. Slider base note Thisisthebasenoteforplaymode.Whenchangingthis,turnplayoffandonagaintotakeeffect.C-5isthenativesamplereplayfrequency.Free scale Wheninplaymode,turnthisontoallowfreeslidingpitch:nosemitones.Turnitofftoenabledivisionoftheoctaveintothescaledefinedbelow.Play scale Whenusingthesliderstopitch,choosewhichnotestoenableordisableintheoctave.Thisallowstheplayingofcustomscales.FX FX type TheGR-1hasseveralbuilt-ineffects:

- Delay- Distortion- Reducer- Reverb

Onlyoneofthesecanbeactiveatatime.Notethatthesub-oscillatorandfilterarenotinthislist.Theycanbeactivesimultaneously.FX mapping Thereare2FXknobsontheGR-1:FX1andFX2.Youcanmapthesetotheeffects,butalsotothesub-oscillatorandthefilter.SeethetablebelowforwhichfunctionsFX1,2representwhenaneffectisselected:

Note:ifyouhavemappedaneffect(notthefilter),youshouldalsochangeyourFXtypetothissameeffect.Otherwise,theknobswillhavenoeffectonthesound!Filter mode Youselectthefilter’smodehere:LPF(Low-pass),BPF(Band-pass),HPF(High-pass),orNONE.

Effect FX1 FX2filter(allmodes) Frequency[0Hz..20kHz] ResonanceSubosc Freq[-2octaves..fundamental] AmplitudeDelay Time FeedbackDistortion Distortion FiltercutofffrequencyReducer Bitreduction SamplerateReductionReverb Time Amount

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Sub-oscillator Thistogglesthesub-oscillatoronandoff.Itcanbeusedtoaddanextrafundamentaltoyourvoice.Thesub-oscillatorispolyphonicwiththecorrectFXmappingyoucancontrolfrequency(from-2octavesto-0)andamplitudewithFX1,andFX2,respectively.Sub-osc balance Whenplayingpolyphonically,usingthesub-oscillatormaycreateachaoticeffect.Youcanadjustthisbalancetoalowernumbertofocusmoreonthebasssideofthings.It’salsopossibletofocusmoreonthetreblebyincreasingthisnumber.MOD LFO2->Delay sync TogglethisontheenabletheLFO2periodtodeterminethedelayperiod. Cubic LFO amount curve TogglebetweencubicandlinearcurvefortheLFOamountknobs.Cubicmodeisusefulforvibrato,forinstance.LFO 1 or 2 Sync Whenthissettingis“ON”theLFOwillbesyncedtotheMIDIbeatclock,withtheselectedtimedivision.ThissettingcanbeturnedonforeachindividualLFO.LFO 1 or 2 Key Sync EachLFOcanindividuallybesyncedtoavoicetrigger/note-onevent.Whenthisfeatureis“ON”,theLFOwavewillresettothebeginningofthewaveformoneveryvoicetrigger/note-onevent.LFO1 or 2 max freq ThissetsthemaximumfrequencyofLFO1andLFO2,respectively.Rangestartsat0.01Hzandgoesupto100Hz.Thiscanbeusedtogainmoreprecisioninthelowranges.Forinstance,ifyouhaveanLFOperiodofanhourandwanttosetitto61minutes.Thedefaultis50Hz.Modwheel -> LFO1 or 2 EnablethistoamplifytheentireMODmatrixrow(LFO1orLFO2)usingyourMIDIcontroller’smodwheel.Notethatthedefaultcutofffunctionofthemodwheelinearlierversionsisnowgone! LFO1->2 Cross Modulation ThisistheamountofcrossmodulationbetweenLFO1andLFO2.LFO1modulatesthefrequencyofLFO2.

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LFO1 or 2 Quantization ThisquantizesthephaseoftherespectiveLFOunit.1denotesOFF,1024denotesmaximum.MaximumphasequantizationwilllimittheoutputoftheLFOunittojust2states.Modulation Matrix Themodulationmatrixallowsyoutosetmultiplemodulationdestinationspermodulationsource(LFO1,LFO2,CV1,CV2,Aftertouch,Timbre,Lift),insteadofjusttheone-to-oneroutingavailableinthemainscreen.Thematrixissplitinto6rowsinthemenu.Pushselectoncetoentertherow.Turntoselectacellforediting.Thenturntoincreaseordecreasevalue.Theminimumis-1.0,andthemaximumis+1.0.NegativevaluesallowLFOwaveformstobeinverted.Tapagaintoleaveeditmode,andturnuntilyouapproachthesides(leftorright)toexittherow.Youcanalsoleavearowandeditmodequickly,bypressingescape.Ifyouchangeavaluethemainscreenwillrecognizeanddisplay“MATRIX”insteadofasingledestination.TappingthedestinationbuttonwillremovetheMATRIXstatus.NotethattheMPEAftertouch,Timbre,andLiftmodulationsourcescannotdrive,tuning,orgrainwindowdestinations.Thereisonlyonestereofilterforeachmultitimbralpart.Thisimpliesthatcutoffisalsoonlyavailableonglobalmodulationsourcesandonpitch.Modulationfrompitchtocutoffisdonebytakingthelastplayedorplayingkey.Tuningwasleftout,becauseMPEalreadyhaspitchbendpernote,andwefeltitcouldleadtoconfusion.Forthemodulationsourcesaftertouch,timbre,liftandvelocitytotakeeffect,MPEmodeshouldbeenabledintheperformancemenu.ModmatrixcellscanalsobechangeddirectlyviaMIDICC.SeetheCCtablefordetails.NotethatMPEmatrixcellsarenotavailableasCC,forthesimplereasontherearenotenoughCC’savailableanymore.MPE Position clipping TogglesclippingifMPEmodulatessampleposition.Insomemusicaluse-casesclippingisdesirable,inothersitisn’t.Loop Sample loop confinement Turnthisontolimitplayingofthesample,inbothaudition/sampleandgranularmode,totheareadefinedbytheloopstartandloopendcontrols(seebelow).Loop start/end pos Thisallowsyoutosetaloopareawithinthesample.Loopscanbeveryshortandallowforpseudogranulareffects:youcanincreasethepitchbymakingashortloopevenshorter.As

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thestartandendpositioncomeclosertoeachother,theeffectofturningSelectwillbecomelessandless.Thisallowsforprecisiontuning.Forquickeraccess,thesefunctionsarealsoavailableunder:Shift+Sides LoopstartShift+Curve Loopend..andtheselectknobcanbeturnedtofinetunestartorend;whicheverwasusedlast.(firmware1.4onwards)Keyboard Keyboard split 1,2 Thekeyboardcanbesplitin3areas(0,1,and2),using2splitsoptions.Split2shouldalwaysbeatleastashighassplit1onthekeyboard.Area0:leftofsplit1Area1:rightofsplit1,andpossiblyleftofsplit2Area2:rightofsplit2Ifsplitsareoff,everythingisArea0.Area 0..2 – Pos offset Thisallowsyoutoaddasamplepositiontoakeyboardarea.Itisaddedtothesamplepositiongeneratedfromthematrixandbythepositionslider.Area 0..2 – Keyboard -> Pos Thisallowsyoutomapkeyboardnotetosampleposition.Itisaddedtothesamplepositiongeneratedfromthematrixandbythepositionslider.Thiscanbeusedtostepthroughthesample’sgradientsand/orparts.Area 0..1 – Pitch Togglespitchonandoff.Usefulifyouwanttohaveonlysamplepositioncontrolinakeyboardarea.

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Performances and performance configuration Asetof32(max)patches/presets+globalsettingsiswhatwecallaperformance.MIDIchannelandhardwaresettingsetc.canbeconfiguredforanindividualperformance.Youcanloadandsaveperformancesto/frombothinternalstorageandto/fromUSBdrive.Configuration Toentertheperformanceconfigurationpress“Shift”andthen“Perf”.Theconfigurationparameterscanbesetwiththeselectknob.Leavethisconfigurationsscreenwith“Escape”.Thefirmwareversioncanbefoundhereinthismenu.

MIDI channel SetstheMIDIchannelyourGR-1willlistento.TurncompletelytothelefttoenableOMNImode,whichlistenstoallMIDIchannels.LED Brightness ControlsthebrightnessoftheLEDbuttons.Potmeter Setpoints When“ON”thepotmeters/knobsofasavedpatcharelocked,untilyouturn/slidepastthesavedsetpoint.Fromv1.2andupit,setpointswillalsobedisplayednumerically(30.4%forinstance),underthelockicon.Sothatyouknowwhichsideyouhavetoturnto,toactivatethecontrol.Direct shift Whenthisison,you’llhavetokeepShiftpressedtoaccesssecondaryfunctionslikethevoiceslidersorquicksave.Whenthisisoff,theShiftbuttonbehaveslikeatoggle.Velocity Curve Keyboardvelocitysensitivity:Choosebetweensqrt(squareroot)andlinearhere.Squarerootisthedefault,andusedbymostwell-knownsynths.

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Load sample: convert to 44.1 TurnthisontheforcetheGR-1toconverteveryimportedsampletonative44.1kHzsamplerate.Loadedsamplesthatarealready44.1kHzarenotmodified.MIDI CC updates visuals SinceMIDICC’scanhappenalotifyou’resequencingtheGR-1viaMIDI.Itmaybeconvenienttoturnthevisualupdatesoff.TurnitonifyouwanttokeeptrackoftheCCactivity.Maybeusefulfordiagnostics.Patch switch -> stop grains Whenswitchingpatchesgrainsarestopped.Clicksmaybeheard.Ifyouturnthisoff,grainswillkeepplaying:noclicks,buttheremaybeold/longgrainsinotherpartsofthesample.Thisisniceforsmoothtransitionsfrompatchtopatch.DSP Metering TogglesaDSPprocessingbarinthemaindisplay.Fullwidthmeans100%CPUusage.Audiodropoutswilloccuralreadyaround90%.CanbeusedtoseehowtheGR-1reactstolargerspray,biggersamples,largergrains,higherdensity,andhigherpolyphony. MPE TurnonMPEsupport.ThiseffectivelysupersedesMIDIchannelselection.Thiswillturnonanenormouspitchbendrange,whichisnotrecommendedfornormalMIDIinputdevices. File selector: Sound previews Verybigsamplefilescancausethefileselectortoslowdowntoacrawl.Thisisbecausethesamplesareloadedinandthenplayed,andthecodewasnotoptimizedyet.In1.2.1weaddedaswitchtoturnthemoff.Thisisoffbydefault. Initialize performance Thisfeatureisforgettingyoustarted.IfyouhaveadirectorywithsamplesandquicklywanttoloadthemallintotheGR-1,completewithnames,thenthisfeatureiswhatyouwant.1.PushSelecttoactivatethebutton2.Nowbrowse,andselect(with"Load"button)asampledirectoryonyourUSBstick3.Thefirst32samplesinthisdirectorywillbetransformedintopatchesusingthesamplenames.4.YoucannowsavetheperformancetoUSBIncremental patch saves Savepatcheslike“Patch”,“Patch-1”,“Patch-2”,etc.Thisisusefultopreserveintermediatestepsinyourwork.Usepatchquicksave(Shift+Save)tomakeuseofthisoption.Ifyourpatchisnew(notyetsaved),thenyou’llfirstneedtosaveit(justtheSavebutton,withoutShift)manually.

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Check Firmware Upgrade ThiswillcheckforfirmwareupdatesontheattachedUSBstick/driveandallowyoutoupdatefromhere.ThisisthesameaswhathappensonbootwithanattachedUSBstickwithfirmwareupdatesonit.IthastheaddedbenefitofalsocheckingforupdatesfromthetastychipssiteiftheLANcableispluggedin.Selectandpushagaintocheckfornewfirmware.AnonlinefirmwareupgradehaspriorityoveroneontheUSBstick.Pleasekeepthisinmind.On board chord toggle mode Normallytheplaymodetogglesvoiceson/offwiththebank1-4buttons.Turnthisoffandthevoiceswillonlyplaywhenthebuttonsarepressed.USB Disk Sync EnablingthiswillsynchronizetheUSBdiskdirectlyaftersavingdata.Thisleadstoslowersaves,butyoucansafelypullouttheUSBdiskwhentheGR-1returnstothemainscreen.Otherwiseyouhavetowaitatleast30seconds(!).Expertfunction:Turnoffatyourownrisk!

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Saving a Performance Tosaveyourperformance,followthenextsteps:

1. Pressthe“performance”buttontoenter“performancemode”,thisbuttonwillnowlightup

2. Pressthe“save”button,youwillnowenterthesavescreen3. Selectthedesireddirectorywiththe“select”knob,(turntheknob)4. Internalmemory:selectoneofthe6folders(pressselect)andpresssave5. Externalmemory(USBdisk):selectafolder(keepinmindthateverythingthatis

insidetheperformancewillbesaved,soyoumightwanttomakeemptyfoldersonyourdisk)thenpresssave.

Tocancelanytimeafterstep2,simplypressthe“Escape”buttontwice.CAUTION:NEVERpowerdownyourGR-1whilesaving.Datacorruptionmayoccur!NOTE:Useyourmac/pctocreateperformancefoldersonyourUSBdiskbeforesavingperformances.A“performancesave”willsave32patchfolders+afileperformance.grpintheselectedfolder.NOTE:Savingaperformancetakestime.It’sonlyrecommendedforstartingnewperformancesorcopyingfrominternaltoUSBorvice-versa.Ifyou’reeditingaperformance,quicksaveisrecommended.NOTE:youcansaveperformancesto/media/internal.Thisisbecausethereareonlyalimitedamountoffoldersin/media/internaltowhichyoucanstoreperformances,andaperformanceitselfhasafixedmaximumsize.Performance quick save Toquicklysavetheperformanceyou’reediting:

1. Pressthe“performance”buttontoenter“performancemode”,thisbuttonwillnowlightup

2. Press“shift”togetherwith“Save”3. TheSavebuttonwillnowblinkforasecondortwo

CAUTION:NEVERpowerdownyourGR-1whilesaving.Datacorruptionmayoccur!Waituntilthedisplayrespondstoinputagainbeforeattemptingtopoweroff. NOTE:onlyavailablefromv1.2onwardsTIP:quicksaveyourperformancetoquicklystoretheperformancemenusettingstopermanentmemory.Ifyoudothiswiththedefaultperformance(thatloadswhenstarting),you’llstartupnexttimewiththesesettings.Loading a performance Toloadaperformance,followthenextsteps:

1. Pressthe“performance”buttontoenter“performancemode”,thisbuttonwillnowlightup

2. Pressthe“load”button,youwillnowentertheloadscreen

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3. Selectthedesiredperformancefolder(turnthe“select”knob”,andpressit),orselecttheperformance.grpintherootofyourUSBdrive,ifyousaveditthere.

Tocancelanytimeafterstep2,simplypressthe“Escape”buttontwice.

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Granular controls explained

Density Thedensityparametercontrolstheamountofgrainspersecond.Theamountcanbesetbetween0.1-1000grainspersecond,withamaximumof128grainspervoiceplayingatthesametime.

Grain size Thegrainsizeparametercontrolstheplayinglengthofagrain.Thelengthcanbesetbetween5-1000milliseconds.

Spray Thesprayparametercontrols,howmuchastartpositionofagraincandifferfromtheSampleposition.TheplaypositionofeachIndividualgrainisrandom.

Pan spray Thepansprayparametercontrols,howmuchthepositionofagrainwithinthestereoimage,candifferfromthecenterposition.Theplacingofeachindividualgrainisrandom.

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Scan Thescanparametermakestheplaypositionsliderplaythesample,whilethegranularengineisstilldoingitsthing.Itcanplaythesampleinnormalandreverseddirection.

Loop start & end Loopparameterssetanareainwhichthegrainswraparound.Thiscancreatetightloopswhichalterpitchperception.Shift+Sides:setloopstartShift+Curve:setloopendSelectknob(turn):finetuneTODO:image

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Sample Tuning SamplesmaynotbetunedtotheCkey.TheGR-1hastwowaystotuneasampletothematchingnote:

• Analog,manuallyusingdirecton-boardcontrolsandyourears.

• Digital,usingyourMIDIkeyboard.MostpeopleusedtoDAWsystemswillliketogetstartedthisway.

Analog:Forthisthe“tune”knobcanbeused.Itcanbetunedonecompleteoctavedownorup.Tomakethetuningprocesseasier,holdingdownthe“escape”buttonforacoupleofsecondsactivatesatuningsinewave,andthebuttonshouldlightup.Adjustthetuningtomatchthepitchofthesinewave.Holddowntheescapeagainandthetuningsinewaveshoulddeactivate.Notethatthetuningsinewavereplacesthesub-oscillator,shoulditbeon.Digital:1.EnterthepatchmenuwithShift+Patch2.Scrollto“Keyboardtuning”3.HitthematchingnoteontheMIDIkeyboardNotethatbothwaysmaybeemployedinparallel.Thiscanbeconfusing,buttheanalogwayallowstosetpitchincents,whilethedigitalwaydoesn’t.

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LFO’s Controls TheGR-1has2assignableLowFrequencyOscillators(LFO’s).TheLFO’scanproduce5differentwaveforms.Sinewave RandomwaveSawwave Squarewave AUX

Thewaveformscanbeselectedwiththe“Wave”button.Thefrequencycanbecontrolledwiththe“Freq”knobandtheamountofmodulationcanbecontrolledwiththe“Amount”knob.Thedestinationtobemodulatedcanbeselectedwiththe“Dest”button.BothLFO’sareidentical.Atthetimeofwriting(firmware2.1onwards)thereare11MODdestinations:

- TUNE(Pitch)- POS(Sampleposition)- SPRAY- SIZE- DENS(Density)- AMP(Amplitude)- PSPR(Panspray)- CUTOFF- SIDES(Grainwindow)- TILT(Grainwindow)- CURVE(Grainwindow)

NormalMODdestinationsareupdatedat200Hz.Thegrainwindowdestinations:sides,tilt,areupdatedatjust4Hz,andthewindowislinearlyinterpolatedbetween4Hzstepsat200Hz.TheGR-1ismassivelypolyphonic.Toenablethis,asinglesharedwindowthat’sdirectlyusedbyallplayinggrainswasrequired.Seethe“patchconfiguration”chapterforextendedLFOoptions:keysyncandclocksync.LFOfrequencyrangesfromlessthan0.0001Hz(hours!)to50Hz,andcanbesetin1024stepsusingthepotentiometersusingacubiccurve.TheLFOfrequencyrangecanbesetinthePatchmenuunder“LFO1/2maxfrequency”.

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Aux LFO waveform ThefifthLFOwaveformiscalled“AUX”orauxiliary.Itisauser-definedwaveformthatcanberecordedbyusingthepositionslider.BydefaulttheAUXwaveformisempty.Torecordit:

1. PressShift+Wave(1or2).ThedisplaywillindicatethatrecordingisON.2. Movethepositionsliderinthemovementyouwant.3. PressShift+Wave(1or2)again.ThedisplaywillindicatethatrecordingisOFF.

Recordingisdoneatabout60Hz.Thebuffersizeis1024points.Thatmeansyoucanrecordabout70secondsofmovement.ReplayingtheAUXwaveformusingtheLFO’smeansyoucanstretchitouttoanhourorcompressitto20milliseconds.TheAUXwaveformisinterpolatedforsmoothmovement.ArecordedAUXwaveformwillbestoredinsidethepatchdata,ifthepatchissaved.Modulation matrix Nexttothedirect“Dest“buttoncontrol,there’salsoacompletemodulationmatrixintheGR-1’sengine.ThiscanbecontrolledbyMIDICCorviathepatchmenu.MPEMIDIcanalsobeusedforLFOmodulation.Usingthematrixit’spossibletosendallmodulationsourcestoallmodulationdestinations,withflexiblemodulationdepth.Butalsoit’spossibletohavenegativemodulation,toinverttheLFOwaveforms.OnlypitchandcutoffarenotmodulatedbyMPE.ThisisbecausepitchisnormallymodulatedbyMIDI’spitchbend,andthere’sonlyasinglestereofilterattheendofthesignalpath.MIDI clock synchronization ThisallowstheLFOfrequencytobesynchronizedtotheMIDIbeatclock.Multiplicationanddivisionofthisclockisalsopossible.Usethepatchmenuandenable“LFO1sync”or“LFO2sync”.InthismodethemultiplieranddividersettingmaybeaccessedwiththeFreqknobsKnobcontrols:Freq1: LFO1clockmultiplierShift+Freq1:LFO1clockdividerFreq2: LFO2clockmultiplierShift+Freq2:LFO2clockdivider

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CV section TheCVsectionmakesitpossibletocombinetheGR-1withamodularsystem(Eurorackforexample).TheCVsectioncontains2controlvoltageinputsand1gateoutput.

CV inputs: CV1andCV2acceptvoltageswithintherangeof0-5V.TheCVinputsareprotectedforvoltagesoutsideofthe0-5Vrange,butwewouldstillrecommendtousethemwithcare.TheCVinputsareassignabletodifferentparameters.TheCVisdisplayedwithaminijackcableicon.OntoptheCVnumberisdisplayedandbelowtheminijackiconthedestinationisdisplayed.CV Amount & Destination TocontroltheCVoptions,Pressthe“shift”button,tochangetheLFOcontrolstoCVcontrols:

1. LFOamountwillnowfunctionasCVamount2. LFOdestinationwillnowfunctionasCVdestination

NotethattheCVinputsareleftfloatingwhenthey’reunconnected.Thismeansthatbydefaulttheamountshouldtobeturneddowntozero,otherwiserandommodulationsmayresult.

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(Seefigurebelow)LFO1correspondstoCV1andLFO2toCV2.

Note:CVinputshavea0-5Vrange.Voltagesoutsideofthatrangewillbeclipped.Gate output: Thegateoutputrespondstoincomingmidinotes.Whenoneoremorenotesareplaythegateoutputsignalwillbe“High”,5V,andwhennotesarereleased/offthegateoutputsignalwillbe“Low”,0V.Warning:Donotusethegateoutputasaninput!

Example patch: YoucanruntheGR-1audiothroughanexternal(analog)VCF.ThencontrolthecutoffwithanexternalADSR,triggeredbythegateoutoftheGR-1.

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Timbrality Sincefirmware2.0theGR-1canoperateeithermonotimbral,whichmeansitplaysasinglepatch,ormultitimbral,whichmeansitplaysmultiplepatchesatthesametime.Bydefaultitrunsinmonotimbralmode.Entering multitimbral mode YoucanaddpatchestothemixusingShift+presetbuttons1,2,3,and4.Thesampledisplaywillautomaticallybesplitin4parts,indicatingyou’renowrunningmultitimbralmode.Thenewpatchcanbeimmediatelyheard.Youcannowjustswitchpatchesusingthepresetbuttons,controlthepatchparameterslikeyou’reusedto.Theknobschangethepatchparametersofthecurrentlyhighlighted(“focused”)part.Thelastpartactivatedisdisplayedinalightershadeofgrey.Focus on a partSincefirmware2.1,youcanusetheSelectknobtoscrollandfocusonapartofyourchoosing.Shift+bank1,2,3,4canalsobeusedtodothis,butitmayberemovedeventually.Pressingthisbuttoncombination(Shift+preset1,2,3,or4)againonanactivepartwillremovethepatch.Whenonlyasinglepatchisleft,thedisplaygoesbacktomonotimbralmode,displayingonlyasinglesample.NOTE:Thesamepartcannotbepresentinmultipleparts.TheGR-1willrefusetoaddthesamepatchtwice.MIDI configuration PatchescanrespondtodifferentMIDIchannels,andcanbesensitivetoplaymode.Thiscanbedoneinthepatchmenu.Whichmakesmultitimbralmodesoflexible.Thiswayyoucanevenrecordandgranulatealivesampleononepartandplaychordsandsolosonotherpatches,allatthesametime.NOTE:Increasingthenumberofpartswillyieldhigherpolyphony.Restrictionstopolyphonyapplyandareoutlinedinthenextsection.

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Polyphony ThissectionexplainstheGR-1’sformsofpolyphony,thevoicestealingalgorithm,thegrainwindow,andhowtomakethebestofthem.Forms of polyphony TheGR-1hastwoformsofpolyphony:

- Grainpolyphony:128grainspervoice- Voicepolyphony:correspondingtoplayingnotes.11voices(atthetimeofwriting)

Voice timbre Avoicemayhaveanywherefrom0to128grainsplayingatanytime.Thisallowstheflexibilitytohaveasinglegrainplaying(sporadically)uptoamassive“cloud”ofgrains.Noamountofplayingnoteswillcausetheamountofgrainstobemodifiedbytheengine.Thetimbreofthevoicewillbekeptintactasmuchaspossible.Note hold TheGR-1supportstheMIDIholdCC.Sinceversion2.1thisactslikethestandardholdfunction,insteadofjustholdingpreviouslyplayingnotes.Thatis,allnewnoteswillremainplayingevenifyourfingerswereliftedfromthekeyboard.Thisremainsthiswayuntilholdisturnedoffagain.Voice stealing WhentheGR-1reachesmaximumvoicepolyphonyandtheuserpressesyetmorenotesonthekeyboard,itwillchoosetoabruptlyremovetheoldestplayingnote,preferablyalreadyinrelease,thatisnotbeingheld(bytheholdCCexplainedabove).Italsomakeschoicesbasedpositionofthenotesonthekeyboardinrelationtoeachother.Thisshouldmakenotepolyphonyasfullandresponsiveaspossible.Audio, and avoiding drop-outs WhenpushingtheGR-1’sengine,audiodropoutscanoccur.Itisimportanttorememberthatgranularsynthesisisrandominnature.Toomuchandtooscatteredaccesstosamplememorywillresultinahighstrainontheengine..

- Maximumvoicepolyphonyiscausedbylongenvelopereleaseandfastplayingonthekeyboard..Beware,theGR-1allowsalmost50secondlongenveloperelease!

- Maximumgrainpolyphonyiscausedbyhighgrainsizeanddensity.- Highsprayandlongsampleswillcausescatteringofsamplememoryaccess.

Asuitablecomparisoniscookingwithonly4burnersonyourstove,buthavingalotofpansaround.Themorepowerfulyourhardwareis,themoreburnersyouhave.Thelargerthesample,thehigherthespray,andpolyphony,themorepansyou’llhavearound.You’llhavetoswapoutmanypansmanytimeswhichcausesslowdowns.

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Thecombinationoftheabovefactorscancauseaudiodropouts.Thesolutionistobeawareofthem,andapplysomepracticalknowledge:

- Ifyoudesirelongreleasesandmanyplayingnotes:considerlimitingsprayand/orchoosingshortersamples.Alternatively,chooseashortreleaseanduseaReverb(possiblyexternal).

- Withlongergrains,it’softenenoughtohaveadensityof100grainspersecond.- Theon-boardplaymodecanbeadequatefordrones,byjustusing4voices.- Anti-aliasingmaybeturnedoff.Thisisnotrecommended,butthealiasingsounds

canbeusedcreatively,insomecases.Master volume Whennotepolyphonyincreasesthetotalvolumewillalsoincrease.Thereisnocompressionontheendmix,soitwillstarthardclippingtheoutput.Sokeepinmindthatyoucanlowerthevolumewiththemasterknob.Notefirmware1.4.2onwardshashighervolumethanbefore.Grain window modification Forthesakeofsimplicityandoptimization,thereisonlyasinglegrainwindowintheentiresinglepath.Thismeansthatanychangetothewindowwhileitisplayingmightresultincrackles.However,ifthechangeisgradualandthewindowshapeisconvex(thatmeansnotpointy),thecrackleswillbeminimal.Temperature and the internal fan WhenthestrainontheengineincreasesthephysicalpowerofthecomputerintheGR-1alsoincreases.Which,afterawhile,leadstohighertemperatures.Atabout70degreesCitwillturnonthefan,inordertokeepcool.Thishappensinwarmerclimates(roomtemperatures>25C)andcontinuedstrainontheengineforacoupleofminutes.AtthetimeofwritingtheGR-1isequippedwithaRaspberryPi3,butinthefuturemorepowerfulboardscanbeusedtoreplaceit.Leadingtoanoverallcoolersystemwithhigherpolyphony.…

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OnboardcontrolsControls Screen/mode FunctioninscreenPositionslider Main SamplepositionPositionslider Menus Cellselect/toggleEscapebutton All,exceptmain Escapetoprevious

naming/savingsteporscreenEscapebutton(keeppressed) All TuningoscillatorPlay All ToggleplaymodeShift+Play All SampleauditionmodeSample All SetsampleIOmode,escape

tomainscreenShift+Sample All EntersamplingmenuPatch All SetpatchIOmode,escapeto

mainscreenShift+Patch All EnterpatchmenuPerformance All SetperformanceIOmode,

escapetomainscreenShift+performance All EnterperformancemenuLoad Main Enterloadmenuforselected

IOmode(sample,patch,orperformance)

Save Main EntersavemenuforselectedIOmode(sample,patch,orperformance)

Save Savefiledialog ConfirmoverwriteShift+Save Main Quicksavethecurrent

sample,patchofperformanceCopy All CopyselectedIOitem

(sample,orpatch)tobuffer.Ifblinkingpastefrombuffertocurrentpatch/sample.

Wave1,Wave2 All SetnextLFOwaveformforLFO1,orLFO2

Shift+[Wave1,orWave2] All ToggleLFOAUXwaveformrecording(REC<->STOP)

Dest1,Dest2 All SetnextdestinationforLFO1,orLFO2

Preset1..8 All Setcurrentparttopatch1..8withincurrentbank,returntomainscreen.

Shift+Preset1..4 All Togglepart1..4on/offBank1..4 All(playmodeOFF) Selectbank,patchwillchange

directlyBank1..4 All(playmodeON) Toggleortriggervoice1..4Density All(MIDIgrainclockOFF) Setdensity

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Density All(MIDIGrainclockON) SetMIDIgrainclockMULDensity+Shift All(MIDIGrainclockON) SetMIDIgrainclockDIVGrainsize All SetgrainsizeSpray All SetsprayareaTune All Tune-1..+1octaveFX1 All SetFX1controlasmappedby

FXmappinginpatchmenuFX2 All SetFX2controlasmappedby

FXmappinginpatchmenuShift+FX2 All PatchvolumePanspray All SetpansprayScan All SetscanspeedSides All SetgrainwindowsidesSides+Shift All SetloopstartTilt All SetgrainwindowtiltCurve All SetgrainwindowcurveShift+Curve All SetloopendAttack All SetADSRattackShift+Attack All(PlaymodeON) SetVoice1pitchDecay All SetADSRdecayShift+Decay All(PlaymodeON) SetVoice2pitchSustain All SetADSRsustainShift+Sustain All(PlaymodeON) SetVoice3pitchRelease All SetADSRreleaseShift+Release All(PlaymodeON) SetVoice4pitchMaster All MastervolumeSelectbutton Main Togglerecord(ifenabledin

samplingmenu!)Selectbutton Menus Select/deselectrow,andcell

(whenrowselected)Selectknob(turn) Main Fineadjustloopstart/loop

endwhenpreviouslytouchedSelectknob(turn) Main Scrolltopartsinorderto

applyfocusSelectknob(turn) Menus Scrollthroughrowsorcells

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MIDI Control table

MIDImessage GR-1parameterCommand/CC Value Range/description Controlcurve

Pitchbend Pitchbend - 0–16383 seeCC60(pitchbendrange) 2^n

Programchange Selectpatch - 0–31

Noteon Noteon - 0-127 Linear(volume)

Noteoff Noteoff - 0-127

CC MODwheel 10-127 Cutoff(additive)0..10kHz linear

CC position 20–127 Start..endofsample linear

CC density 30-127 0.1..1000grains/s cubic

CC grainsize 40-127 5ms..1000ms cubic

CC spray 50-127 0..fullsamplesize linear

CC NRPNvalueMSB 60–127 -

CC GMVolume 70-127 Tobeimplemented

CC cutoff 80-127 0Hz..20kHz cubic

CC resonance 90-127 127:justbelowself-oscillation linear

CC panspray 100-127 mono..totalstereo linear

CC scan 110-127 -2x..+2xreplayspeed linear

CC Window–Sides 120-127 0..1(nosides..nocenter) linear

CC Window-tilt 130-127 -1..+1(left..right) linear

CC Window–curve 140-127 -1..+1(hollow..fat) linear

CC LFO1waveform 150–3 0:SINE,1:RAND,2:SAW,3:SQR

CC LFO2waveform 160–3 0:SINE,1:RAND,2:SAW,3:SQR

CC LFO1frequency 170-127 50mHz..50Hz cubic

CC LFO1amount 180-127 linear

CC LFO2frequency 190-127 50mHz..50Hz cubic

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CC LFO2amount 200-127 linear

CC CV1amount 210-127 linear

CC CV2amount 220-127 linear

CC Attacktime 230-127 0ms..23s(linear) cubic(special)

CC Decaytime 240-127 0ms..45s(exp) cubic(special)

CC Sustainamplitude

250-127

linear

CC Releasetime 260-127 0ms..45s(exp) cubic(special)

CCLFO1destination 270-5 0:TUNE,1:POS,2:SPRAY,3:SIZE,4:DENS,5:CUTOFF

CCLFO2destination 280-5 0:TUNE,1:POS,2:SPRAY,3:SIZE,4:DENS,5:CUTOFF

CC CV1destination 290-5 0:TUNE,1:POS,2:SPRAY,3:SIZE,4:DENS,5:CUTOFF

CC CV2destination 300-5 0:TUNE,1:POS,2:SPRAY,3:SIZE,4:DENS,5:CUTOFF

CC LFO1keysync 310-1

CC LFO2keysync 320-1

CC MODwheelLSB 33- UNUSED

CC LFO1Keysync 340-5 0:OFF,1:1/1,2:1/2,3:1/3,4:1/4,5:1/5

CC LFO2Keysync 350-5 0:OFF,1:1/1,2:1/2,3:1/3,4:1/4,5:1/5

CC Patchvolume 360-127 [0.10..10.0] 10^n

CC Resampleanti-aliason/off

370-1

CC NRPNvalueLSB 380-127 -

CC Mastervolume 390–127 0.003..1.00 10^n

CCMODLFO1-TUNE 400-127 -1.0..+1.0 linear

CC MODLFO1-POS 410-127 -1.0..+1.0 linear

CCMODLFO1-SPRAY 420-127 -1.0..+1.0 linear

CC MODLFO1-SIZE 430-127 -1.0..+1.0 linear

CCMODLFO1-DENS 440-127 -1.0..+1.0 linear

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CC MODLFO1-CUTOFF 450-127 -1.0..+1.0 linear

CC MODLFO2-TUNE 460-127 -1.0..+1.0 linear

CC MODLFO2-POS 470-127 -1.0..+1.0 linear

CC MODLFO2-SPRAY 480-127 -1.0..+1.0 linear

CC MODLFO2-SIZE 490-127 -1.0..+1.0 linear

CC MODLFO2-DENS

51 0-127 -1.0..+1.0 linear

CC MODLFO2-CUTOFF 520-127 -1.0..+1.0 linear

CC MODCV1-TUNE 530-127 -1.0..+1.0 linear

CC MODCV1-POS 540-127 -1.0..+1.0 linear

CC MODCV1-SPRAY 550-127 -1.0..+1.0 linear

CC MODCV1-SIZE 560-127 -1.0..+1.0 linear

CC MODCV1-DENS 570-127 -1.0..+1.0 linear

CCMODCV1-CUTOFF 580-127 -1.0..+1.0 linear

CC MODCV2-TUNE 590-127 -1.0..+1.0 linear

CC Pitchbendrange 600–127 0->-1octave,64->originalpitch,127->+1octave 2^n

CC MODCV2-POS 610-127 -1.0..+1.0 linear

CCMODCV2-SPRAY 620-127 -1.0..+1.0 linear

CC MODCV2-SIZE 630-127 -1.0..+1.0 linear

CC Sustainpedal 640-127 0:releaseheldnotes,>=64:holdplayingnotes

CC MODCV2-CUTOFF

650-127 -1.0..+1.0 linear

CC Scankeysync 660-1

CC Tune 670-127 -1..+1octave 2^n

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CC MODCV2-DENS 680-127 -1.0..+1.0 linear

CC REC(ordsample) 690-127 0:stop,>=1:start

CC MODLFO1-SIDES

720-127 -1.0..+1.0 linear

CC MODLFO1-TILT 730-127 -1.0..+1.0 linear

CC MODLFO1-CURVE

750-127 -1.0..+1.0 linear

CCMODLFO2-SIDES 760-127 -1.0..+1.0 linear

CC MODLFO2-TILT 770-127 -1.0..+1.0 linear

CCMODLFO2-CURVE

780-127 -1.0..+1.0 linear

CC MODCV1-SIDES 790-127 -1.0..+1.0 linear

CC MODCV1-TILT 800-127 -1.0..+1.0 linear

CC MODCV1-CURVE

810-127 -1.0..+1.0 linear

CC MODCV2-SIDES 820-127 -1.0..+1.0 linear

CC MODCV2-TILT 830-127 -1.0..+1.0 linear

CC MODCV2-CURVE

840-127 -1.0..+1.0 linear

CCMODTIMBRE-DENS

850-127 -1.0..+1.0 linear

CC MODTIMBRE-CUTOFF

860-127 -1.0..+1.0 linear

CCMODTIMBRE-TUNE

870-127 -1.0..+1.0 linear

CC MODTIMBRE-POS

880-127 -1.0..+1.0 linear

CCMODTIMBRE-SPRAY

890-127 -1.0..+1.0 linear

CC MODTIMBRE-SIZE

900-127 -1.0..+1.0 linear

CCMODTIMBRE-SIDES

910-127 -1.0..+1.0 linear

CC MODTIMBRE-TILT

920-127 -1.0..+1.0 linear

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CC MODTIMBRE-CURVE

930-127 -1.0..+1.0 linear

CCMODVELOCITY-DENS

940-127 -1.0..+1.0 Linear

CC MODVELOCITY-CUTOFF

950-127 -1.0..+1.0 Linear

CCMODVELOCITY-TUNE

960-127 -1.0..+1.0 Linear

CC MODVELOCITY-POS

970-127 -1.0..+1.0 Linear

CCMODVELOCITY-SPRAY

1030-127 -1.0..+1.0 Linear

CC MODVELOCITY-SIZE

1040-127 -1.0..+1.0 Linear

CCMODVELOCITY-SIDES

1050-127 -1.0..+1.0 Linear

CC MODVELOCITY-TILT

1070-127 -1.0..+1.0 Linear

CCMODVELOCITY-CURVE

1080-127 -1.0..+1.0 linear

CC MODAFTER-DENS

1090-127 -1.0..+1.0 Linear

CC MODAFTER-CUTOFF

1100-127 -1.0..+1.0 Linear

CCMODAFTER-TUNE

1110-127 -1.0..+1.0 Linear

CC MODAFTER-POS

1120-127 -1.0..+1.0 Linear

CCMODAFTER-SPRAY

1130-127 -1.0..+1.0 Linear

CC MODAFTER-SIZE

1140-127 -1.0..+1.0 Linear

CCMODAFTER-SIDES

1150-127 -1.0..+1.0 Linear

CC MODAFTER-TILT

1160-127 -1.0..+1.0 Linear

CCMODAFTER-CURVE

1170-127 -1.0..+1.0 linear

CC NRPNParLSB 980–127 -

CC NRPNParMSB 990–127 -

CC RPNParLSB 1000–127 -

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CC RPNParMSB 1010–127 -

CCNotepressureLSB 1020-127

CC MPEtimbreLSB 1060-127

CC Allsoundoff 120- Allnotesoffandcutsound -

CC Allsoundoff 123- Allnotesoff -

CC OMNIoff 124-OMNImodeoff,acceptcommandsonlyon1channel -

CC OMNIon 125- OMNImodeon,acceptcommandsonallchannels -

CC MODLIFT-DENS128

0-127 -1.0..+1.0 Linear

CC MODLIFT-CUTOFF

1290-127 -1.0..+1.0 Linear

CC MODLIFT-TUNE130

0-127 -1.0..+1.0 Linear

CC MODLIFT-POS 1310-127 -1.0..+1.0 Linear

CC MODLIFT-SPRAY

1320-127 -1.0..+1.0 Linear

CC MODLIFT-SIZE133

0-127 -1.0..+1.0 Linear

CC MODLIFT-SIDES 1340-127 -1.0..+1.0 Linear

CC MODLIFT-TILT135

0-127 -1.0..+1.0 Linear

CC MODLIFT-CURVE

1360-127 -1.0..+1.0 linear

CC Togglepart 1380..3 Togglepart1..4on/off(multitimbrality)

Timing Clock 120- ClockticktodriveMIDIclockenabledcontrols. -

Timing Start 122- Ignored,butaccepted -

Timing Continue 123- Ignored,butaccepted -

Timing Stop 124- Ignored,butaccepted -

Timing Activesensing 125- Ignored,butaccepted -

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Precision MIDI: “NRPN” TheGR-1alsosupportsalltheaboveCCparametersasNon-RegisteredParametersNumbers(NRPN).Thismeansyoucanusethenormal7bitMIDIvalues,butalsouse14bitvaluesifnecessary.Thisallowsformorethan128controls,andforcontrolvalueswith16384stepsinsteadofthenormal128.AllCC’sthathaverange0-127(notthetoggles,ortriggers)arealsoavailableas14bitprecisionNRPN’s.SincetheGR-1hasmanyparametersthatdemandhighprecision,likesamplepositionorfiltercutoff,thisfeatureexposesthefullpotentialofGR-1toMIDIcontrollersandsequencers.NotethattheGR-1’slargemodulationmatrixisnotfullyrepresentedasnormal7bitCC,butalsousesCC’sthatareonlyavailableasNRPN.AnNRPNisjust4CCpacketsbeingsent:CCheaderbyte(176+channel),6,NRPNcontrolMSB(upper7bitofCCnumberfromabovetable)CCheaderbyte(176+channel),38,NRPNcontrolLSB(lower7bitofCCnumberfromabovetable)CCheaderbyte(176+channel),99,NRPNvalueMSB(high7bitofthe14bitvalue)CCheaderbyte(176+channel),98,NRPNvalueLSB(low7bitofthe14bitvalue)Forexample,let’stakeCC2(sampleposition)andsetthattosampleposition98.76%ofthetotallength(16181asa14bitnumber).We’reusingMIDIchannel1(that’s0intheheader,sincewestartcountingfrom0).176,6,0176,38,2176,99,16181div128=126176,98,16181mod128=53

Timing/Aux Reset 126 Stopallvoices.

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Firmware updates TheGR-1firmwarecanbeupdatedviaUSB.Toperformafirmwareupdate,downloadthelatestversionontastychips.nl/gr1downloadsandfollowthenextsteps:

Placethegr1_firmware_vx.y.z_abcdefgh.tgzfileinthe“rootdirectory”onaUSBdrive PlacetheUSBinoneofthe4USBportsonyourGR-1

Turnon/restartyourGR-1,youwillnowseeawindowpoppingup Press“select”within5secondstoperformthefirmwareupdate

Thefirmwareupdatewillnowstartandtakeslessthana30seconds RemovetheUSBdiskandrestarttheGR-1

Keepinmindthatwhenthereisafirmwareupdateintheroot-directoryofaconnectedUSBdrive,theGR-1willalwaysbootwiththe“press“Select”toupdate”window.YoumightwanttoremovethefirmwareupdatefromtheUSBdrivewhentheupdateisdone.Theactualfirmwareversioncanbefoundhereinconfigurationmenu.

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Forupdatingwithoutaresetfirst:Fromversion1.2onwardsit’spossibletousethePerformancemenutoentertheupdatescreen:

GotoPreferences->General Shift+Perf Select“CheckFirmwareUpgrade” TurntheSelectknob.

Seethetroubleshootingchapterifyourunintoproblemswithupdating.

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Frequently asked questions Q:WhydoestheGR-1comewithoutaIECpowercable?A:Thisisbecausemostpeoplehaveatleastacoupleofthesecableslyingaroundleftoverfromolderdiscardeddevices.It’sbetterfortheenvironment.Q:WhydoestheGR-1comewithoutaprintedmanual?A:Becausethemanualreceivessignificantupdateseveryfewmonths,anditsavestheenvironment.Q:Howtostoreperformance/globalmenusettingslikemidichannel,ledbrightness,etc?A:Seethesection“Performancequicksave”.Notethatsavingto/internal/performance1willrestorethesesettingsonGR-1startup.Q:There'sjustonefilter?Isitthenparaphonic?Howtousethegr-1asafullypolyphonicdevice?A:YoucanuseMIDIMPEdevicestoachievefullpolyphony.Youcanusesampledsweepstoemulatethepolysynth’stypicalfilterenvelopes.WithoutMPEitindeedissomewhatparaphonic.Q:MyUSBstickordriveisn'tworkingwiththeGR-1.HowdoIgetittowork?A:SeethetroubleshootingsectionaboutUSBdrives.Q:MyUSBsoundcardisn'tworkingwiththeGR-1.Isitsupportedatall?A:Onlytheso-calledclasscompliantUSBsoundcardsaresupported.Others,especiallymostexpensiveoroldercardsrequirespecialdriversupport,andtheGR-1doesn’thavethat.However,therearehundredsofclasscompliantUSBsoundcardsoutthere.Checkthelistin“SupportedUSBsoundcards”formoreinformation.Q:Haveaudiodropoutsoraloweringofthedensityparameter.Whatisthis,andhowtoavoid?A:Seethe“Polyphony”chapter.Q:Thegraindensityseemstooscillatewhentherearealotofgrains(combinationofhighdensityandhighgrainsizesettings).Whatisthis?A:Thisisnormal.Pervoiceyoucan"only"have128simultaneousgrains.Thegrainschedulerwantstoaddmore,butthesystemrefuses.Thensomegrainsreachtheirend,andtheschedulercanaddgrainsagain.Thiscausesanoscillation.Thetrickistolimitthecombinationofthegrainsizeanddensitysettingabit,andthenthedensitywillbeconstant.Q:IwanttohookaGR-1uptomyDAW,howdoesthiswork?A:Therearetwoways:1.DINMIDI:UseaUSB-to-DINMIDIadapter/soundcard,andhookituptotheGR-1’sMIDIINDINport.ThisworkswellenoughforstandardMIDIcontrolslikenotes,pitchbend,andthe

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oddCC.However,aDINMIDIconnectionisnotthebestifyourwanttohavealotofsmoothautomations.2.USBhost-to-hostinterface.Forinstance,theiConnectivitymio2.AsyoumayknowtheGR-1hasonlyUSBAports,andisaUSBhost.YourPCorMacisalsoahost.TherearenowaystodirectlymakeaUSBconnectionbetweenthem.Ahost-to-hostinterfacetakescareofthis.Q:Sometimes,whenswitchingtoanewpreset,aparameterresetsitself.Whatisthis,andhowtoavoid?A:Sinceswitchingpresetsgiveseachknobapotentiallydifferentvalue,theactualknobpositionmaynotrepresenttheunderlyingvalueanymore.Sincetheknobsarequitesensitivetheymaypickuptheslightestmovementorevennoiseinthesystem.Toremedythisyoucanuse“Setpoints”intheperformancemenu.Thatwaytheknobsarelockedwhenswitchingpresets.Thelockdisappearswhenyouturnittotheactualvalue.

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Troubleshooting File systems (USB disk/stick format) Usingtherightformat,orfilesystem,doeshelp.OnaMacyoucanuse“DiskUtility”andformatitlikethis:Format:ExFatScheme:GUIDorMBRInanycaseitshouldnotbeFAT32.MacOS(HFS+)isnotcorrectlysupportedunderLinuxasofyet,causingtosometimesmountitread-only.APFSiscompletelyunsupported.NTFSisproperlysupported,butisnotreadableonMac.TheoldFAT32isnotrecommendedforbiggerpartitions(>=32GB).So,ifyouwantthesmoothestexperience,pleaseuseExFatforeverything.ForLinuxexperts:Ext4isfineaswell.SomeUSBdrivesandstickscomewithspecialrecoverypartitions.LaterMacOSformatssticksusingsuchpartitions.OlderGR-1firmware(<1.4.1)justwentaheadandmountedthesepartitionsandallowedyoutowritetothem.Butthesepartitionsaresmall(200MBorso)andfillupveryquickly.Also,they’rehardtoaccessonPC/Mac.Fromfirmware1.4.1onwardsthesepartitionsareskipped,astheyshouldbe.Pleaseupgradetothelatestfirmwareavailable.Pleasecontactusifproblemspersist.Firmware upgrades Apple’sSafaribrowserseemstodestroy.tgzfileswhenyouusethedefaultsettings(!).Thiswillcausetheupdateprocesstogetstuckonolderfirmware!Firmware1.4onwardsdoacceptthistypeofmangledfile.Ifyou’reupgradingfromafirmwareolderthan1.4,pleasedownloadthefilewithanotherbrowserlikeFirefoxorChrome....orinSafari:Alt+mouseclick(downloadsfileinsteadofopening)Toalwaysdownload-onlyinsteadofopening:

GotoPreferences->General Uncheckthebox“Open"safe"filesafterdownloading” Downloadthe.tgzfileagain

Crashes Withearlyfirmwarethisusedtohappenmoreoften.Nowadaysnotsomuch,althoughtherehavebeenverysporadicreportsofacrashwhenanUSBdeviceispluggedin(alsoseefurtheroninthischapter).Ifthisshouldhappentoyou,pleasedropusamailwithspecificsofthesituation,preferablywithscreenshot,orbettervideo.Firmwareversionnumberandserialnumberarealsohighlyappreciated.

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Slow USB drive or stick Somesticksreallyareveryslow.Inourexperiencethebrandedonesarealotfasterthanthecheapunbrandedones.Perhaps4timesormore.Also,olderfirmwarehada“slow”USBmodeforcompatibility.Butsincefirmware1.3.3theGR-1alwaysrunsinfastUSBmodeandisfullycompatiblewithallUSBMIDIcontrollers.Pleaseupgradetothelatestversion.Problematic USB stick It’saprettyseldomproblem,butsomeUSBsticksorharddiskscreatealotofinrushcurrent.Whenconnectedwhilebooting,youmayseeamessagelike:usb1-1.4: device descriptor read/64, error -32 ThisisbasicallytheUSBportfreezingupbecauseithastoprovidetoomuchcurrent(power).Insuchacase,removetheUSBdevice,andrebootuntiltheGUIappearsandthentryattachingitagain.

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Credits TastyChipsTeam:

PietervanderMeer (FounderofTastyChipsElectronics,Leadengineer) JasperAndrea (AndreaAudioProductions) KoenPepping (VannesEngineering)

Hired:

NielsJohannesdeWit (Softwareengineering) BasvanGeuns (IntroAnimationvideo) MarcoGaltarossa (3Drenders)

HardwareGranularIdea:

ErwinTuijl (PocketKnifeArmy)

Special thanks to Brainstormsessions:

ErwinTuijl (PocketKnifeArmy) JasperSchutz JobdeKlein LeonStok PeterJohanNyland IgorZinken LennartDenninger

Feedback,tipsandothers:

AdNieuwenhuizen NicoSijm

Contact

TastyChipsElectronics

[email protected]

tastychips.nl


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