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Cycle off
Switches set to Med
Channel A Rise/Fall
sliders set channel A
note length
Patch EOF to
channel A Trigger
From left channel of
sound source
To mixer/output amp
Synchronizing Channels: Making Notes Using Triggers
With the previous patch, the tempo of each channel is linked to the rise and fall times of the envelopes.
It's not possible, for example, to have quick, short notes at a slow tempo. It's also nearly impossible to
adjust the sliders so both channels are going at the exact same tempo.
By turning channel A's Cycle off and patching the EOF trigger from channel B to channel A's Trigger
jack, we can synchronize the channels and separate channel A's envelope length from its tempo. Try
doing this now.
Every time channel B ends an envelope and begins a new one, an EOF pulse fires, causing channel A
to start an envelope. Channel A's Rise/Fall sliders control the envelope length without changing the
tempo. Channel B's sliders control the tempo for both channels as well as the envelope for channel B.
If you want to decouple channel B's envelope length from its tempo, you could turn off Cycle and patch
an external clock or LFO into channel B's Trigger jack. Now the external clock controls the tempo and
each channel's sliders independently control the envelopes.
Adding Chaos
You can create some inter-related pattens by patching Channel A's EOR jack into Channel B's Trigger
jack, leaving EOF patched to Channel A's Trigger jack, and turning off both Cycle buttons. Now both
channels trigger each other. For some extra chaos, patch the Env Out OR jack to one of the Time CV
jacks, and patch the EOR jack into the Cycle jack instead of channel B's Trigger jack. Press one of the
Cycle buttons to start the chain of events, then play with the sliders, the Rise/Fall CV knobs, and the
Level and Offset knobs until you find sweet spots where random patterns emerge.
Slow
Cycle
Med
Fast
Rise
Fall
Slow
Level
ENV
OUT
Fast
A
Rise
Fall
Offset
Time CV
Rise
Fall
Trigger
EOR
Follow
In
Out
A
OR
VCA CV
Env
Out
Audio A
Dual EnvVCA
Page
Slow
Med
Fast
Rise
Fall
Slow
Level
Fast
B
Rise
Fall
Offset
Time CV
Rise
Fall
Trigger
EOF
Follow
A
In
Out
B
VCA CV
Audio B
8
of
20
Cycle on
Optional:
adjust amount of
modulation
Channel B Rise/Fall
sliders set overall tempo,
and channel B note
length
To VCO modulation input
(FM, waveshape, etc.)
From right channel of
sound source
To mixer/output amp
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