Early ref. 1, Early ref. 2, Percussion e/r – Yamaha SPX50D User Manual
Page 13: Gate reverb, Reverse gate, Delay l, r, Delay short, Delay long, Delay l, r 17. delay short 18. delay long
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11. Early Ref. 1
12. Early Ref. 2
13. Percussion E/R
14. Gate Reverb
15. Reverse Gate
These effects are created using different groupings of “eariy
refiections” — the first ciuster of refiections that occurs after the
direct sound but before the dense refiections that are known as
reverberation begin.
Early Reflection Pattern (TYPE): HALL/RANDOM/REVERSE/
PLATE
The TYPE parameter selects one of four different patterns of
early reflections. HALL produces a typical grouping of early
reflections that would occur in a performing environment
such as a hall. RANDOM produces an irregular series of
reflections that could not occur naturally. PLATE produces a
typical grouping of refiections that would occur in a plate
reverb unit. REVERSE generates a series of reflections that
increase in level — like the effect produced by playing a
recorded reverberation sound backwards.
Room Size (ROOM SIZE): 0.1 — 20
This parameter sets the time intervals between the early re
flections — a feature of natural early reflections which is
directly proportional to the size of the room.
Liveness (LIVENESS): 0 — 10
Tiveness” refers to the rate at which the reflected sounds
fade. An acoustically “dead” room is simulated by setting this
parameter to zero. Increasing the value of this parameter
creates an increasingly “live” sound, simulating an increas
ing area of reflective surfaces in the room.
Delay (DELAY): 0.1 — 400 milliseconds
The time delay between the direct sound of the instrument
and the first of the early reflections.
Low-pass Filter (LPF): 1 kHz — 11 kHz, THRU
Permits rolling off the high-frequency content of the early
reflection signal above the set frequency. The LPF is OFF
when set to THRU.
16. Delay L, R
17. Delay Short
18. Delay Long
The stereo delay effect offers independently variable left and
right channel delays.
(dB)
DIRECT
SIGNAL
L R
Lch
DLY
Rch
DLY
L C R
L C C R
(TIIVIEI
Lch F.B
EFFECT
INPUT
Rch F.B
Left Channel Delay (Lch DLY): 0.1 — 500 milliseconds
Sets the time between the direct sound of the instrument and
the first repeat heard from the left channel.
Left Channel Feedback Gain (Lch F.B): -99% — +99%
Sets the amount of the left-channel delay signal fed back to
the input of the processor. The higher the feedback gain
setting, the greater the number of delayed repeats pro
duced.
Right Channel Delay (Rch DLY): 0.1 — 500 milliseconds
Sets the time between the direct sound of the instrument and
the first repeat heard from the right channel.
Right Channel Feedback Gain (Rch F.B): -99% — +99%
Sets the amount of the right-channel delay signal fed back
to the input of the processor. The higher the feedback gain
setting, the greater the number of delayed repeats produced.
High Frequency Feedback (HIGH): xO.1 — xl.O
Controls feedback in the high-frequency range. The high-
frequency feedback is reduced as the value of this parame
ter is decreased.
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