What are the Functions of the Parameters Displayed by the AN Expert Editor? PLG150-AN

Last Update: 10/08/2010

The AN Expert Editor parameters are summarized below. Also refer to the AN Tone Generator Tutorial and owners manual.

[PEG : Pitch Envelope Generator]
The PEG controls time-based pitch variations between key-on and key-off.

" ATT Sets the PEG attack time.
" DEC Sets the PEG decay time.
" DEPTH: Sets the PEG depth.
" VCO1/VCO2: Specifies the VCO that will be applied to the PEG.


[LFO 1 : Low Frequency Oscillator 1]
The LFO can be used to modulate VCO 1, VCO 2, the VCA, or the VCF to produce cyclical pitch, amplitude, and tonal variations.
* The display will change according to the Assign Group setting.

" W Selects the LFO 1 waveform.
" SPEED: Sets the speed of LFO 1 oscillation.
" VCO1: Sets the depth of LFO 1 pitch modulation applied to VCO 1.
" VCO2: Sets the depth of LFO 1 pitch modulation applied to VCO 2.
" VCA: Sets the depth of LFO 1 amplitude modulation applied to the VCA.
" VCF: Sets the depth of LFO 1 cutoff frequency modulation applied to the VCF.

[LFO 2 : Low Frequency Oscillator 2]
* The display will change according to the Assign Group setting.

" W Selects the LFO 2 waveform.
" SPEED: Sets the speed of LFO 2 oscillation.
" VCO1: Sets the depth of LFO 2 pitch modulation applied to VCO 1.
" VCO2: Sets the depth of LFO 2 pitch modulation applied to VCO 2.
" VCA: Sets the depth of LFO 2 amplitude modulation applied to the VCA.
" VCF: Sets the depth of LFO 2 cutoff frequency modulation applied to the VCF.

# The following LFO parameters can be set in the DETAIL window:

" Assign Group: Specifies the units to be modulated by LFO 1 and LFO 1. Five selections are available: LFO1(All), LFO1(VCO1,VCO2,VCA)-LFO2(VCF), LFO1(VCO1,VCO2)-LFO2(VCA,VCF), LFO1(VCO1)-LFO2(VCO2,VCA,VCF), LFO2(All).
" LFO1 Delay: Sets the time from key-on to the start of LFO 1 modulation.
" Key On Reset: When set to On LFO 1 modulation is reset to the beginning of the cycle at key-on.
" Sync Pmod Sw: Specifies whether LFO1 will modulate the VCO 1 master or slave oscillator.
* In the above window Sync Pmod Sw can only be selected when the Sync Mode is set to VCO1 > Master > Slave.

[FM : Frequency Modulation]
In FM modulation, the unit that applies the modulation is known as the modulator and the unit being modulated is known as the carrier. The AN tone generator allows selection of the modulator which is to apply frequency modulation to VCO1 (the carrier).

" DEPTH: Sets the depth of frequency modulation.

# The following FM parameters can be set in the DETAIL window:

" Algorithm: Selects one of three FM algorithms: Both, Master, or Slave.
" Src1 (FM Depth Ctrl): Specifies the unit to control time-based variation of FM depth.
" Src2 (Modulator): Selects the unit that is to function as the modulator.
The VCO1 waveform is frequency modulated by the modulator waveform selected here.
* In the above window Algorithm can only be selected when the Sync Mode is set to VCO1 > Master > Slave.

[SYNC : Oscillator Sync]
Oscillator sync allows the sound of one oscillator to be synchronized to another in order to increase the harmonic content.

" MODE: Sets the oscillator synchronization mode. When set to VCO1 Master > Slave the master and slave oscillators included in VCO 1 are synchronized. When set to VCO2 > VCO1 VCO 2 and VCO 1 are synchronized.
" SRC: Specifies the unit that will apply time-based variation to the slave oscillator.
" DEPTH: Sets the depth of oscillator synchronization.


[VCO 1 : Voltage Controlled Oscillator 1]
This unit generates an audio output signal. In addition to selecting the VCO waveform and controlling pitch, it is possible to vary the width of the waveform (pulse width) to vary the harmonic structure of the sound.

" W Selects the VCO 1 waveform.
" PITCH: Sets the pitch of VCO 1.
" FINE: Applies fine tuning to the pitch of VCO 1.
" SYNC PITCH: Sets the pitch of the VCO 1 slave oscillator.
" SRC: Selects the unit that will be used to modulate the pulse width of the VCO 1 waveform.
" DEPTH: Sets the depth of PWM (Pulse Width Modulation).
" PW: Sets the pulse with of the VCO 1 waveform.
" EDGE: Applies fine adjustment to the VCO 1 waveform.

[VCO 2 : Voltage Controlled Oscillator 2]
This unit generates an audio output signal. VCO 2 has most of the same functions as VCO 1, but it does not include master and slave oscillators.

" W Selects the VCO 2 waveform.
" PITCH: Sets the pitch of VCO 2.
" FINE: Applies fine tuning to the pitch of VCO 2.
" SRC: Selects the unit that will be used to modulate the pulse width of the VCO 2 waveform.
" DEPTH: Sets the depth of PWM (Pulse Width Modulation).
" PW: Sets the pulse with of the VCO 2 waveform.
" EDGE: Applies fine adjustment to the VCO 2 waveform.

[VCF : Voltage Controlled Filter]
The VCF allows only a harmonics of the VCO waveform that fall within a certain frequency band to pass. A variety of filter types are provided for flexible tone shaping.

" TYPE: Specifies the filter type.
" CUTOFF: Sets the filter cutoff frequency.
" RES.: Sets the strength of the resonance effect.
" KEY TRK: The Key Track function varies the filter cutoff frequency according to the key played.
" VELOCITY: Sets the velocity sensitivity in response to FEG depth.
" HPF: Sets the cutoff frequency of the high-pass filter.

[FEG : Filter Envelope Generator]
The FEG controls time-based filter variations between key-on and key-off.

" ATT Sets the FEG attack time.
" DEC Sets the FEG decay time.
" SUST Sets the FEG sustain level.
" RELE Sets the FEG release time.
" DEPTH: Sets the FEG depth.


[VC Voltage Controlled Amplifier]
[ Amplitude Envelope Generator]
The VCA controls the output level (amplitude) of the AN tone generator. The AEG controls time-based amplitude variations between key-on and key-off.

" VOLUME: Sets the main volume level.
" ATT Sets the AEG attack time.
" DEC Sets the AEG decay time.
" SUST Sets the AEG sustain level.
" RELE Sets the AEG release time.
" VELOCITY: Sets the velocity sensitivity in response to AEG depth.

[MIXER]
The mixer adjusts the balance between VCO 1 and VCO 2, as well as the noise and ring modulator signals.

" VCO1: Sets the level of the VCO 1 signal fed to the mixer.
" VCO2: Sets the level of the VCO 2 signal fed to the mixer.
" NOISE: Sets the level of the noise unit signal fed to the mixer.
" RING: sets the level of the ring modulator signal fed to the mixer.
" F.B.: Sets the level of the VCA output signal fed back to the mixer.


[DIST/EQ]
The distortion unit distorts the output waveform. The EQ unit is a 3-band equalizer with Low, Mid, and High boost/cut controls.

" DRIVE: Sets the distortion drive level.
" DRY/WET: Sets the distortion dry/wet balance.
" LO: Adjusts the low frequency EQ band.
" MID: Adjusts the middle frequency EQ band.
" HI: Adjusts the high frequency EQ band.

[PATTERN GEN.]
The Pattern Generator automatically produces arpeggios and step-sequence patterns in response to what is played on the instrument keyboard.

" TEMPO: Sets the arpeggio or step sequence playback tempo.
" HOLD: When ON arpeggios or step sequences will continue playing after a MIDI key-off command is received.
" ARPEGGIO: Enables the arpeggio function.
" SEQ: Enables the step sequencer function.
* Either the arpeggio or step sequencer function can be selected.

# Press the DETAIL button to open the PATTERN GENERATOR window and access the detailed arpeggio and step sequencer parameters.

[CTRL MATRIX]
The Control Matrix makes it possible to assign the various AN tone generator parameters to control change messages.

# The following Control Matrix parameters can be set in the DETAIL window:

" Ctrl Source: Specifies the MIDI message that will control each parameter. After touch and pitch bend messages can be specified in addition to control change messages.
" Parameter: Specifies the parameter to be controlled.
" Depth: Sets the control depth for the selected parameter.
" Pitch Bend Range Up/Down: Sets the pitch bend range.

[FREE EG]
The Free EQ can be used to control time-based variations of up to four parameters based on graphic curves created with the edit tool.

# Press the DETAIL button to display the Free EQ window.

" EDIT SELECT: Selects the track to be edited.
" TRACK PARAMETER: Selects the parameter to be assigned to the track. The ON and OFF buttons determine whether the parameter will be active or not.
" LENGTH: Specifies the length of the Free EG data.
" TRIGGER: Selects the type of event that will trigger the Free EG.
" LOOP TYPE: Specifies the Free EG playback loop type.
" KEY TR Varies the Free EG data length according to the key played.

[COMMON]
Common parameters apply to the entire voice.

" KEY.M: Specifies the tone generation mode:
POLY = multiple notes can be played simultaneously.
MONO = Only one note can be played at a time.
LEGART (Legato) = Only one note can be played at a time, but EG and other functions are not retriggered resulting in a smooth, legato sound.
" UNISON: Turns the unison function ON or OFF.
" MORPH: Turns the morphing function ON or OFF.

[PORTAMENTO]
When the portamento function is engaged, a smooth pitch slide occurs between notes played one after another on the keyboard.

" SW: Turns the portamento function ON or OFF.
" TIME: Sets the portamento time.

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