Roland VC-1 D-50 owner manual PCM sound generator, Structure, Tone

Page 39

Overview of the VC-1

PCM sound generator

A PCM sound generator provides 128 different PCM sampled sounds (= waveform).

2

 

WG

TVA

ROM

DSP

 

PCM Wave

Interpolator

TVA

Memory

 

 

Pitch

 

Envelope

Processor

 

Generator

Structure

 

 

Structure, which is one of the Common Parameters, determines which two of the hypothetical synthesizers (a synthesizer sound generator or a PCM sound generator) are to be used as Partial 1 and Partial 2.

3

These two Partial sounds (Partial 1 and Partial 2) can simply be mixed as show below. By mixing two Partials, fatter sounds can be obtained. This is effective for making strings or organ type sounds.

Partial 1 can be mixed with the ring-modulated sound of Partials 1 and 2. (“Ring Modulator” (p. 40))

Tone

Partial 1

Mixer

Partial 2

Partial 1

Mixer

Ring

Partial 2 Modulator

A Tone consists of two Partials (Partials 1 and 2) and a Common block. Some Common parameters apply to both Partials (Partial 1 and 2) . “Structure” is one of the Common parameters. It decides which of the two sound generators is used for each Partial. Other Common parameters are an ENV for pitch, three LFO modules, equalizer, chorus, etc.

39

Image 39
Contents 03897845 ’05-3-1N Page Page Table of Contents Table of Contents Editing and Performances That Surpass the Original Main FeaturesIntroduction Perfect Simulation of the D-50’s TonesWhat is the digital synthesizer D-50? Panel Descriptions Front PanelNumber KEY Mode ShiftExit Rear Panel Try Out the Sounds Turning On the PowerSelecting Patches and Playing Sounds Selecting Patches with the Value dial Selecting Patches from the ListSelecting Patches with Patch Palette Enabling or Disabling the Beep Tone Viewing Various Information01ePatchFactorImage Applying Effects to the SoundAssigning Parameters to the Controllers Controllers ParametersKeys Functions List OSC1, OSC2, COSM1, COSM2 and TVA Specify the Tones or the Partials to be appliedYou can control the following parameters Settings Common to All Screens How to Make the Patch FactorsSEP WholeDual SplitValue AfterPB Aftertouch, Pitch Bender Hold Hold ModeMode Portamento Mode Bend Bender RangeOutput Output Mode Mode Output ModeValue Display Function Revbal Reverb Balance Vol Total VolumeRevType Reverb Type Value Display DescriptionValue Time Chase Time Mode Chase ModeULL ULU Level Chase LevelSepCH Receive Channel in Separate Mode LTune Fine Tuning of the Lower ToneUTune Fine Tuning of the Upper Tone TxBS Transmit Bank Select SwitchNaming a Patch Saving Patches You’ve CreatedSaving Patches Reset to Default Factory Settings Touch Factory RESET. The Factory Reset screen appearsVC-1’s File Structure Transferring Patches from the D-50 to the VC-1 Transferring Patches To and From the D-50/550Using the D-50 Using the D-550Transfer the patch from the memory card to the D-50/550 Transferring Patches from the D-50/550 to the VC-1 Destination Bank Saving Transferred PatchesTouch Data TRANSFER. The Data Transfer screen appears DEC Source BankTransferring Patches from the VC-1 to the D-50/550 Touch SystemINC/+ or DEC Source Bank 3-1 Copying a Reverb Type Value 17 Value1 Destination BankTemporary Area Overview of the VC-1Memory Structure Work AreaBasic Concept of a Tone PartialSynthesizer sound generator PCM sound generator StructureTone Patch Ring ModulatorWG Wave Generator Structure of Tone ParametersLFO Low Frequency TVF Time Variant FilterTVA Time Variant Amplifier ENV Envelope GeneratorCreating a Patch How to Make the Patch SettingsCursor Buttons Useful Functions for EditingEditing a Value Undoing an editing OperationSilencing the Sound of the Partial Editing with the Panel Controls Partial SelectCopying Tone Settings CancelDisplay Value TVF Copying Parameter SettingsALL CommonAuditioning the Sound Before Editing When Is set to All or Common Setting is ignoredPatch Factor Initializing Patch SettingsCtrl Setup Check AllEQ/CHORUS Tone ParametersCommon Parameters StructureVelo Velocity Range ENV Pitch EnvelopeENV Edit Envelope ENV Time EditENV Level Edit Pitch Mod Pitch Modulation LFO Low Frequency OscillatorKEY EQ/CHORUS Equalizer/ChorusEQ Edit Equalizer OFFChorus Edit Pitch Partial ParametersWave Waveform WG Form WG WaveformWG Form Waveform WG PW WG Pulse WidthDisplay LFO Phase Value -7-+7 After Aftertouch RangeValue -7-+7 LFO LFO Select KF Keyfollow pitch WG PitchCoars Pitch Coarse Value C1-C7 Fine Pitch FineWG Mod WG Modulation LFO LFO ModeENV P-ENV Mode Bend Bender ModeBender Mode Example TVF Time Variant FilterFreq Cutoff Frequency Display Example Example Function Reso ResonanceKFKeyfollow Cutoff Point BP Bias PointTVF ENV TVF Envelope Value T5 Time TVF ENV TimeTVF ENV Level Display Example Function Example Value Volume AdjustmentTVA Time Variant Amplifier Value -50-+50 BP Bias PointTVA ENV Envelope TVA ENV TimeVelo Velocity Follow Time TVA ENV Level Value -7-+7 MOD ModulationTVA MOD Settings for the Entire VC-1 How to Make the System Function SettingsDEC Digital Freq Digital Frequency Sound SettingMaster Tune Sound CharacterValue 1 SeparateCH Receive Channel in Separate ModeProg.C Program Change Switch Midi CH Midi ChannelTxEDIT Exclusive Exclusive SwitchBank.S Bank Select Switch DumpInitializing the System Settings Mono Mode, Poly Mode Key Mode AlterationSplit Key Mode Poly Mode Mono Mode Mode Message OffDual Dual-SSound List Preset PatchesP1 Preset 1Original D-50 P2 Preset 2 NewP4 Preset 4PN-D50-02 P3 Preset 3PN-D50-01P5 Preset 5PN-D50-03 P6 Preset 6PN-D50-04BANK1 Patch Factors Value Comment Patch FactorsTone Parameters Common ParametersParameter Value Parameter Value Comment Partial ParametersTVF ENV Midich System ParametersNumber Display PCM Name WaveformOneshot LoopLoop Some of the sounds 1 to 76, are combined and looped Newly Added WaveformsNumber Display Data Transmission Midi ImplementationReceive data Mono Controller number Exclusive Communication Partial Parameter Common Parameter Patch Parameter Supplementary Material Midi Implementation Chart VC-1 V-Card D-50 SpecificationsIndex Index 100