Matrix mixing – QSC Audio TouchMix-30 Pro 32-Channel Compact Digital Mixer with Touchscreen User Manual

Page 17

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Using Auxiliaries as Sub Groups (TouchMix-8 and 16 only)

The Auxiliary mixes may be assigned to the Main L/R output allowing the auxiliaries to function as sub groups. This feature is intended for use with
the input channel “Assign To Main L/R” function.

To use an Auxiliary channel as a Sub Group (for this example, we are assigning In Channel 1 to Aux 5 Sub Group):

1.

Aux Masters

Aux 5

Setup

Main L/R

Post Fader

2.

Inputs 1-8

In 1

Auxes

Adjust Aux

send 5 to 0*

Setup

Main L/R

*Adjusting the Aux Send 5 to 0 adds the Input Channel 1 to the Sub Group.

3. Repeat Step 2 for all the input channels that are part of the Sub Group.

4. The channel faders Aux Master (Aux 5) now functions as a Sub Group Master.

Matrix Mixing

To understand a matrix, it’s first useful
to understand the concept of a sub-mix
(sometimes called a “stem”). As the name
implies, a sub-mix is a mix consisting of some
subset of all the mixer’s inputs. For example
there could be sub-mixes consisting of all
the violins, or the choir, or drums, or delegate
microphones or sound effects. If you’ve got all
of these at once you’ve got a really interesting
production but we digress. A matrix simply lets
you blend these sub-mixes (stems) into a single
mix.
A stem can be created by assigning inputs to a
Sub-Group or by sending them to an Auxiliary.
Now that we’ve got the stems, what do we do
with them? On the TouchMix-30 Pro, Auxiliaries
9 – 14 also function as mix matrices. In addition
to all the input channels, these signals may be
sent to Auxiliaries 9 – 14…
• Main L/R

• Auxiliaries 1 – 8

• Sub-Groups 1 – 8

All of these stems can be mixed as needed and routed out via Auxiliaries 9 – 14. The application may be as simple as just sending a mono mix of
the Main L/R to an overflow area or as complex as creating a separate broadcast mix from 8 or more stems. In addition, all the inputs are available
on Auxiliaries 9 – 14 so it’s possible to mix in the signal from one or more input channels.

In 1 – Kick

In 2 – Snare

In 3 – Overhead

In 4 – Overhead

Sub Group 1

– Drums

In 5

Lead Guitar

In 6

Rhythm Guitar

Sub Group 2

– Guitars

In 7

Piano

In 6

Organ

Sub Group 3

– Keyboards

In 9

Lead Vocal

In 10

Backing 1

In 11

– Backing 2

Sub Group 4

– Vocals

Aux Out

Main Out

Sub 1 Fader

Sub 1 Fader

Sub 1 Fader

Sub 1 Fader

Sub Groups’ Aux 1 Sends

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