Connecting Video Outputs
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Composite NTSC/PAL Program Output
This output always feeds the program video as standard definition NTSC or PAL composite video on ATEM
1 M/E and 2 M/E Production Switchers. This composite output lets you connect to old video equipment.
Auxiliary SDI Outputs
All ATEM switchers, excluding ATEM Television Studio, have auxiliary SDI connections that output the same
video format in use. Production Studio 4K models are SD/HD/Ultra HD switchable and Production Switcher
models are SD/HD switchable. The number of auxiliary outputs vary between models:
ATEM Production Studio 4K has 1 auxiliary output.
ATEM 1 M/E Production Studio 4K has 3 auxiliary outputs.
ATEM 1 M/E Production Switcher has 3 auxiliary outputs.
ATEM 2 M/E Production Switcher has 6 auxiliary outputs.
Auxiliary outputs can use any internal and external video sources. For example, program feeds if you need
more program outputs, or clean feeds without down stream keying, or even specific video inputs. Aux
outputs are perfect for driving video screens on stage, or feeds where you can independently control what
the viewers see. Aux outputs switch cleanly and can be used as cut only switchers independent of the main
program outputs. The audio on these outputs is embedded SDI program audio.
USB 3.0 Output
The ATEM 1 M/E and ATEM 2 M/E Production Switchers have a USB 3.0 output that can be used to capture
video direct to a Windows PC for real time mastering or waveform monitoring. You can also stream over
the internet using encoding software. Blackmagic Media Express software is included for recording from
this output, as well as Blackmagic UltraScope for waveform monitoring. The USB 3.0 output uses the Aux
1 output so you can customize your output feed. The audio on this output is embedded program audio.
USB 2.0 Output
ATEM Television Studio has a USB 2.0 output which can be used to capture an H.264 compressed master file
of your program. ATEM switchers include Media Express software for recording from this output. The audio
on this output is embedded program audio.
Preview SDI Output
This output shows the source selected on the preview bus on the switcher, as well as preview transitions.
This output is perfect when you want to use a full resolution preview monitor. The audio on this output is
embedded SDI program audio.