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Guides / Duo Audio controls

Illustrated control guide

Know every control.

Duo Audio uses colour, button states and the Stream Deck + XL touch strip to show exactly what is selected and what will happen next. Select any button to learn what it does. This illustrated reference shows the + XL layout; see the key-based layout guide for the 15-key and 32-key devices.

The complete workspace

Control states and workflows at a glance.

This overview shows examples of source selection, file-player stages, Smart Level, adjustments and independent output controls.

D67Digital67 Duo Audio control overviewView full size

Interactive control reference

Every Duo Audio button.

These are the original vector-rendered controls used by Duo Audio—not enlarged screenshots. Select a button to learn what it controls and how to use it.

Displayed from the live Duo Audio SVG drawing system. Button values shown are examples and may change with the selected source or current state.

Source selection

Choose a source. See its controls.

Selecting a source changes the active colour and illuminates only the functions available for that source.

Yellow

MIC 1 selected

Select MIC 1 to set its level, gain, EQ and supported processing controls under the Master controller (Mic 1 and all active controls illuminate highlight in yellow.)

D67Digital67 Duo Audio with MIC 1 selected in yellowEnlarge
Purple

MIC 2 selected

Select MIC 2 to set its level, gain, EQ and supported processing controls under the Master controller (Mic 2 and all active controls illuminate highlight in purple.)

D67Digital67 Duo Audio with MIC 2 selected in purpleEnlarge
Grey

APP selected

Select APP to control routed application audio. APP-related level and tone functions illuminate grey.

D67Digital67 Duo Audio with APP selected in greyEnlarge

FILE 1 + FILE 2

CUE → READY → LIVE

Files are selected from Stream Deck—not requested when the Engine starts. Each state makes the next action deliberate and visible.

1

SELECT FILE

Load and preview the chosen file without sending it to the live output. Use the scrubber to position the file.

D67FILE 1 in CUE state with its scrubber readyEnlarge
2

CUE

Arm the prepared file, position by using the CUE and scrubber function on the Master Control knob and READY state remain visible until you choose to take it live.

D67FILE 1 armed in READY stateEnlarge
3

SELECT mode READY

SELECT mode shows that the deck is ready for a source or file-selection action before anything is committed.

D67Digital67 Duo Audio SELECT mode armedEnlarge
4

LIVE

Take the prepared file to the active output. The LIVE state confirms that the file is now playing to the mix.

D67FILE 1 active in LIVE stateEnlarge

Automatic balancing

Smart Level shows its progress.

Select the source, start Smart Level and watch the deck report when the adjustment is complete.

Ready

Smart Level ready

APP is selected and Smart Level is available. The source is ready to be measured without changing REC OUT.

D67Smart Level ready for the selected APP sourceEnlarge
Working

Smart Level adjusting

The deck displays the active adjustment while Duo Audio measures and smooths the supported source level.

D67Smart Level actively adjusting the selected sourceEnlarge
75%

Adjustment complete

The completed value is shown clearly—in this example APP has been adjusted to 75%.

D67Smart Level completed with APP adjusted to 75 percentEnlarge

Master controller

One controller, clearly identified functions.

The touch strip identifies the active parameter while the Master dial provides accurate physical adjustment.

Muted

Source mute active

Mute stops the selected source and changes its state visibly so silence is never ambiguous. Control knobs can be pressed to MUTE as well .

D67Digital67 Duo Audio source mute activeEnlarge
Treble

APP Gain, Bass Mid and Treble adjustment

Select APP (from either the Source button or the monitor meter), choose TREBLE on the touch strip, then use the Master controller for the tonal adjustment shown on the dial display.

D67APP treble being adjusted with the Master controllerEnlarge

Independent monitoring

Mute the output you choose.

Speakers, headphones and REC OUT remain separate, allowing monitoring choices without forcing the same change into every path.

Headset

Headset muted

Mute the headset monitoring path while leaving the other configured outputs available.

D67Digital67 Duo Audio headset output mutedEnlarge
Speakers

Speakers muted

Mute the speaker path independently while retaining headphone monitoring and the separately controlled REC OUT path.

D67Digital67 Duo Audio speaker output mutedEnlarge

Engine and update status

Clear system feedback.

The Stream Deck reports connection and update states without changing the locked audio workflow.

CURRENTThe installed Engine is the current published version.
UPDATE AVAILABLEA newer compatible Engine release is available from Digital67.
CHECK FAILEDThe update service could not be reached; existing audio operation continues.
ONLINEThe Bridge is connected to the Engine.
STARTINGThe Engine is starting; wait for ONLINE.
OFFLINEThe Bridge is waiting for the Duo Audio Engine to reconnect.
Next step

Install the complete Digital67 audio system.

Open installation guide