Using the Auxiliary Output
Available Auxiliary Sources
There are a range of sources available, and these include:
Black
Black source generated internally in the switcher.
Inputs
These are all the sources connected to the HDMI and SDI inputs. In ATEM Software
Control, you will see the video inputs of the switcher listed in the ‘auxiliary 1’ drop down
menu. These will be listed as the current labels you have set in the settings window of
the switcher.
Color Bars
Color bar source generated internally in the switcher.
Media Player 1
This is the fill output of media player 1, and is derived from the still’s RGB content.
Media Player 1 Key
This is the key output from media player 1, and is derived from the still’s alpha content.
Media Player 2
This is the fill output of media player 2, and is derived from the still’s RGB content.
Media Player 2 Key
This is the key output from media player 2, and is derived from the still’s alpha content.
Program
This is the switcher program out, and is the same as the main program SDI output on
the switcher.
Preview
This is the preview output and shows the source selected on the preview bus, and is
the same as the preview window in the multi view.
Clean Feed 1
This is identical to the program output, however does not include any of the
downstream keyer contents. It’s useful when you want to record a master output
without logos or bugs on the downstream keyers.
Clean Feed 2
This is the same as above, however this output is taken from between the two down
stream keyers, and so includes down stream keyer 1, but not down stream keyer 2’s output.
Routing clean feeds to aux outputs allows ultimate flexibility in the use of your program
video. From the auxiliary output you can record a version of your program free from any
local broadcast branding you might have applied from the down stream keyer. This
‘clean’ version could then be easily used for an international broadcast. This is a very
powerful feature!
Routing the Preview, or Clean Feeds 1 and 2 on ATEM Broadcast Panels
ATEM 1 M/E Broadcast Panel - After selecting auxiliary 1 in system control, simply hold
the shift button and cut/fill button and then make the selection on the select bus.
ATEM 2 M/E Broadcast Panel - After selecting auxiliary 1 in system control, simply hold
the two shift buttons and then make the selection on the select bus.
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