
CHAPTER 13. ROUTING AND I/O 174
Tracks Feeding MIDI to
and Tapping Audio
From the Parts of a
Multi-Timbral
Instrument.
Sending MIDI from the mixer to a multi-timbral instrument is a variation of a case described
above. One MIDI track hosts the multi-timbral instrument, and additional MIDI tracks are
used to feed its individual parts. Each additional MIDI track has its Output Type chooser
pointed to the track that contains the instrument, and its Output Channel chooser referenc-
ing the target MIDI channel. Additional audio tracks can then be used to tap the instrument's
individual outputs, as described earlier.
Feeding Sidechain Inputs
Some effects have so-called sidechain inputs. A vocoder, for instance, imposes spectral
characteristics taken from one signal (say, spoken word) onto another signal, for instance a
string pad. The vocoder is inserted as an audio effect into the string track. It has a sidechain
input for the speech signal, which has to be delivered from another track. So, we create an
additional audio track named Speech and set its Output Type chooser to the Strings
track. From the Output Channel chooser, we select the vocoder's sidechain input.
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