SYNC,
the abbreviation for "synchronize", places both DC Os in
close tune with each other by electronically slaving the waveform
of DC01 to that of DC02 using three varying degrees of Sync plus
OFF :
"O":
OFF - SYNC has no effect and the DCOs' waveforms
are independent of each other.
"1 ":
SOFT Sync
"2":
MEDIUM Sync
"3":
HARD Sync
The main idea to keep in mind while using SYNC is that its audible
effects vary drastically with DCO tuning (are they in unison or
several octaves apart?) , the waveform selected for each DCO,
where you are playing on the Master controller's keyboard (high
notes or low notes) and what kind and how much modulation is
used in the patch. The important thing is to keep experimenting.
DETUNE
enables the pitch of DC02 to be adjusted slightly sharp
or flat relative to DC01 . This produces a richer sound quality
caused by two closely tuned oscillators "beating" from the slight
variation in tuning. VALU E range is -31 to +31 (+/- a 1/4 tone)
where O is no detune, -31 is the Flat limit and +31 is the Sharp limit.
Each increment of
1
represents varying amounts of detune:
settings close to O provide very slight detuning while settings
towards the extremes producegreater amounts of detune as each
higher number is used.
03 & 1 3 PULSE WIDTH
If
PULSE
is selected as the DCO's waveform (see 06
&
1 6 WAVE
SELECT), this control sets the pulse's width output. VALUE range
is from O to +63 where 63 is an extremely narrow Pulse that
becomes gradually wider as the settings approach 31 , the setting
for a Square wave. From 30 on down, the pulse becomes even
wider with the same audible charistics as narrow Pulses until O is
reached and very little sound is heard.
In describing the audible characteristics of a Pulse wave, a very
narrow or very wide pulse (settings towads the extremes of the
range) has a "nasal" quality and is traditionally used to synthesize
woodwind instruments like Oboe and Bassoon or plucked-string
instruments such as Harpsichord. A wide pulse (settings around
31 where the Square wave is produced) has a "hollow" sound
quality and resembles a Clarinet.
04 & 1 4 PW MOD BY LFO 2
The PULSE WIDTH of both DCOs can be modulated by the
second LFO to obtain a "periodic" or steady back-and-forth
change (using a TRI waveform) between a wide pulse and a narrow
pulse. This can be used as a form of vibrato. VALUE range is from
-63 to +63 where
o
is no effect and 63 is the maximum amount of
positive modulation. Using negative modulation Values (-63 being
the negative limit) inverts the LFO waveform 1 80° out of phase.
Matrix-GR Owner's Manual
29
