Moog MEMORYMOOG 345 Owner's And Service Manual page 32

Play a note on the middle of the keyboard and turn on the WAVESHAPE switches (6.4), one at a
time. You'll notice that the triangle waveshape is soft and flute-like. That's because it has a simple har-
monic content. The sawtooth wave is bright because it has all harmonics. It's good for producing brass-
and string-like sounds. The pulse wave has a variable width. When you listen to it, move the PULSE
WIDTH control (6.3) across its full range. You'll notice that at 0% the width gets so thin that the wave-
shape becomes inaudible. You can use this effect to advantage when you apply modulation from either
the LFO (5.0) or the VOICE MODULATION section (5.4) to the pulse width of any of the oscillators,
causing the oscillator to fade in and out. The pulse wave can sound anywhere from hollow to thin and
nasal depending on how its width is set. It's useful for pipe organ sounds, strings, reeds, and so on.
You've probably noticed that you can mix the different waveshapes by turning the switches on
simultaneously. This produces more complex waveshapes. Different waveshapes can also be produced by
turning the MIXER level controls (7.0) up past 5. This causes clipping distortion. It can turn the triangle
waveshape into a sine wave, which has no harmonics at all and is very flutey sounding.
NORMAL TRIANGLE "CLIPPED" TRIANGLE/SINE
WAVESHAPE WAVESHAPE
SYNC 2 TO 1
SYNC is short for synchronize. When the SYNC switch (6.2) is on, the fundamental frequency of
OSCILLATOR 2 is locked to the fundamental frequency of OSCILLATOR 1. To hear the effect, start
with the same live panel patch we used to hear waveshapes, but turn on the SYNC switch and turn up the
volume of OSCILLATOR 2 and turn down the volume of OSCILLATOR 1 usingthe MIXER controls (7.0).
HEARING SYNC
OSCILLATORS MIXER
WAVESHAPE
e
VOLTAGE CONTROLLED FILTER
ee é 7 : '
Ee ANE.
3
vy GN ag ~~ "s SS
3
CUTOFF SHAS CONTOUR AMOUNT
WAVESHAPE
j 14 { 3
= eae ae 7?
12 — 12
ee '-; ae . ee 8
1MSEC 10SEC 2MSEC 20SEC 2MSEC 20SEC
ATTACK DECAY SUSTAIN RELEASE
FREQUENCY PULSE WIDTH (%}
RETURN UNCONDITIONAL KEYBOARD RELEASE
TO ZERO CONTOUR FOLLOW
FREQUENCY PULSE WIDTH (%)
tMSEC 10SEC 2MSEC 20SEC
ATTACK RELEASE
VOLTAGE CONTROLLED AMPLIFIER
KEYBOARD
CONTROL
TURN THE FREQUENCY CONTROL TO OSCILLATOR 2 ACROSS ITS FULL RANGE TO HEAR THE EFFECT OF
SYNCING OSC 2 TO OSC 1.
TRY CHANGING THE OCTAVE SETTINGS OF OSCILLATOR 2. YOU'LL NOTICE THAT THE MORE REMOVED
THE OCTAVE IS FROM OSCILLATOR 1, THE MORE PRONOUNCED THE SYNC EFFECT.
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