Yamaha MFC1 Specifications download pdf (Page 18)

This program feeds the reverb signal through a gate cir-

cuit, making it possible to output only a segment of a

longer reverb sound. Parameters provided for the reverb

porition of the signal are REV TIME, HIGH, DELAY, HPF

and LPF, while parameters for the gate portion are

HOLD TIME, RELEASE TIME, and MIDI TRIGGER.

ADR-NOISE GATE

This program uses a gate circuit to pass or shut off the

input signal in a number of ways. It can be used to pass

just a short segment of a longer input signal, or it can

be used to pass only signals that exceed a specific level

(noise-gate type operation). It is also possible to achieve

reverse gate effects in which the gain increases

gradually after the gate is triggered.

In addition to signal-level triggering, it is also possible

to trigger the gate via a footswitch connected to the

front-panel MEMORY TRIGGER jack when the FOOT

TRIGGER key LED is ON.

1. REVERB TIME (R/T). Range: 0.3 ~ 99.0 sec

2. HIGH (High Frequency Reverb Time Ratio).

Range: 0.1 ~ 1.0

3. DELAY. Range: 0.1 ~ 1000.0 msec

4. HPF (High Pass Filter). Range: 32 Hz~1.0 kHz,

THRU

5. LPF (Low Pass Filter). Range: 1.0 kHz~11 kHz,

THRU

All these parameters have the same function as

those of the REV programs. See page 10 for details.

6. TRIGGER LEVEL. Range: 0 ~ 100%

Determines the strength (amplitude) of the input

signal required to trigger opening of the gate. At

100%, only extremely high-level input signals will

trigger the gate, while at 0% even this slightest in-

put signal will trigger the gate.

7. HOLD TIME. Ragne: 1~30,000 msec

This parameter sets the amount of time the gate is

“open,” allowing the reverb sound to come through.

8. RELEASE TIME. Range: 5~32,000 msec

This parameter determines the time it takes fot the

gate to close completely after the HOLD TIME.

9. MIDI TRIGGER. Range: ON, OFF

When ON, a KEY ON signal from an external MIDI

keyboard can be used to trigger the R & G effect.

1. TRIGGER LEVEL. Range: 1~100%

Determines the strength (amplitude) of the input

signal required to trigger opening of the gate. At

100%, only extremely high level input signals will

trigger the gate, while at 0% even the slightest in-

put signal will trigger the gate.

2. TRIGGER DELAY. Range: — 100 ~ 100 msec

‘Produces a delay between the time at which the

gate is triggered and that at which it actually opens.

If a minus value is programmed, the input signal

itself is delayed so that, effectively, the gate opens

before the signal appears.

3. TRIGGER MASK. Range: 5~32,000 msec

This parameter makes it impossible to re-trigger the

gate function until the programmed time has

elapsed.

4. ATTACK TIME. Range: 5 msec ~ 32,000 msec

Determines how long it takes for the gate to open

fully from the time it begins to open.

5. DECAY TIME. Range: 5 msec ~ 32,000 msec

Determines the length of time it takes for the gate

to fall to DECAY LEVEL after it is fully open.

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Yamaha MFC1 Specifications Page 18

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