Roland VC-2 owner manual Resonant Filter, Isolator and Filter

Effects List

03: Resonant Filter
			Parameter	Value			Description
It allows for cyclical control of the cutoff frequency using an			Low Band	-60– +4			These specify each level of the Low, Mid,
LFO. It allows you to make drastic changes in the frequency			Level	dB			and High frequency ranges.
			Mid Band				At -60 dB, the sound becomes inaudible. 0
response of the input signal by the cutoff frequency and
							dB is equivalent to the input level of the
feedback, making the sound brighter or darker, or giving it a			Level
							sound.
			Hi Band
distinctive character.
			Level
Parameter	Value	Description	AP Low Sw	OFF, ON			Turns the Anti-Phase function on and off
							for the Low frequency ranges.
Cutoff Freq	50–20000 Hz	Basic frequency of the filter
							When turned on, the counter-channel of
		The LFO will control the cutoff
							stereo sound is inverted and added to the
		frequency with this value as its
							signal.
		maximum level.
			AP Low	0–127			Adjusts the level settings for the Low fre-
Resonance	0–127	Filter’s resonance level
			Level				quency ranges.
		Raising the setting increases
							Adjusting this level for certain frequencies
		resonance near the cutoff fre-
							allows you to lend emphasis to specific
		quency, producing a uniquely
							parts. (This is effective only for stereo
		characteristic sound.
							source.)
Band Mode	LOW, MID,	Frequency range to which the
			AP Mid Sw	OFF, ON			Settings of the Anti-Phase function for the
	HIGH,	filter will be applied
	LOW+MID,	LOW: low frequency band	AP Mid	0–127			Middle frequency ranges
							The parameters are the same as for the
	MID+HIGH,	MID: mid-range frequency	Level
							Low frequency ranges.
	ALL	HIGH: high frequency
		LOW+MID: low and middle	Filter Type	Type of filter
		range frequency		THRU: no filter is used
		MID+HIGH: middle and high		LPF: Passes frequencies below the Cutoff.
		range frequency		BPF: Passes frequencies near the Cutoff.
		ALL: all ranges		HPF: Passes frequencies above the Cutoff.
Sweep Wave-	TRI, SAWUP,	LFO waveform		NOTCH: Passes frequencies other than those near the
				Cutoff.
form	SAWDN, SQR	TRI: Triangle wave
		SAWUP: Sawtooth Wave
					Level		Level
		SAWDN: Sawtooth Wave
		SQR: Square wave
	SAWUP	SAWDN					Freq.	Freq.
						LPF		HPF
					Level		Level
Sweep Rate	0.05–10.0 Hz,	Frequency of the LFO modula-
	note	tion					Freq.	Freq.
Sweep Depth	0–127	Modulation depth of the LFO
Balance	DRY100:0WET–	Volume balance between the				BPF		NOTCH
	DRY0:100WET	direct sound (DRY) and the ef-
		fect sound (WET)	Filter Slope	-12, -24			Filter’s attenuation slope
				dB/O			-24 dB per octave: steep
04: Isolator and Filter							-12 dB per octave: gentle
			Filter Cut-	0–127			Cutoff frequency of the filter
A 3-band isolator, filter, and low booster are connected in			off				The closer to zero it is set, the lower the
							cutoff frequency becomes; set it closer to
stereo in series.							127, and the cutoff frequency becomes
Isolator is an equalizer which cuts the volume greatly,							higher.
			Filter Reso-	0–127			Resonance level of the filter
allowing you to add a special effect to the sound by cutting the
			nance				Raising the setting increases resonance
volume in varying ranges.
							near the cutoff frequency, giving the
The filters allow you to modify the frequency response of the
							sound a special characteristic.
input sound widely and give sound a character.			Filter Gain	0– +24			Compensates for the volume dropped in
The low booster emphasizes the bottom to create a heavy bass				dB			the cut frequency range with some filters.
sound.							The level of compensation increases as the
							value is increased, and raise the volume.
			LowBoost	-15– +15			Increasing this value gives you a heavier
			Level	dB			low end.
							* Depending on the Isolator and filter set-
							tings this effect may be hard to distin-
							guish.

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