Cirklon Sequencer User Manual
Drum Trig Config
The drum trig config page is used to configure settings for the optional drum mux module.
“Mux” is short for multiplex, which refers to the transmission method used.
The SYNC port is able to switch to an alternate mode where bursts of multiplexed trigger
pulses and accent CVs can be transmitted to one or more drum mux modules.
Each module can output up to 16 pairs of trigger pulses and accent CVs, plus three further
trigger pulses for DIN SYNC output (to replicate the function of the re-purposed SYNC
socket).
The principle advantage of triggering percussion sounds using the drum mux output, as
opposed to connecting them via a MIDI-to-trigger interface, is that the drum mux output has
a much higher transmission speed than MIDI, and uses frame-based synchronisation to
ensure every trigger pulse is tightly synchronised with all other triggers on the same tick.
This gives a clearly audible advantage over MIDI when as few as 4 or 5 sounds are being
triggered at the same instant.
The drum trig config page looks like this:
Select the dmux enable option to switch the SYNC socket to dmux mode.
Once the dmux output is active, normal DIN SYNC devices will no longer respond to the
SYNC output directly.
The CV channel option selects which channel on the CV port the drum triggers will respond
to. The selected channel will no longer route note messages to the CVIO expansion, so make
sure to use a channel that is not already assigned there.
The frame size sets the total number of triggers to be transmitted in each burst.
The drum mux module has 16 accent/trigger output pairs, with a further 3 trigger channels
used for the DIN sync output, so the default frame size is 19.
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