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Camera Control and Tally between SDI and HDMI
Using Blackmagic Pocket Cinema Camera with ATEM Constellation 8K
In this scenario, the micro converter is used to connect the camera's HDMI output to the
ATEM's SDI input. The bidirectional converter allows the camera control and tally data to be fed
back through the converter and into the camera via the Consumer Electronics Control CEC data
in the HDMI signal.
The Micro Converter's HDMI output can be used for remote monitoring.
Blackmagic Pocket
Cinema Camera 6K
Blackmagic URSA with ATEM Mini
Here the converter is used to connect the camera's SDI output to an ATEM Mini's HDMI input.
The SDI signal from the camera is converted to HDMI and sent to the ATEM Mini. CEC data is
returned to the Micro Converter and converted to CCU and tally data, then sent back to the
camera over SDI.
ATEM Mini
HDMI
BiDirectional SDI to HDMI 3G
Using 2 Micro Converters as an SDI Extender
As SDI allows connections over longer distances than HDMI you can connect 2 BiDirectional
Micro Converters together using an SDI cable and extend the range of HDMI equipment while
maintaining camera control and tally data.
For example, an ATEM Mini can be connected to a Blackmagic Pocket Cinema Camera 6K. As
shown in the example below, CEC data from the ATEM Mini is sent to the first Micro Converter
over HDMI and then sent between the converters as CCU and tally data over SDI. The second
converter then sends CEC data back to the camera over HDMI.
PROD
TALK
CALL
HDMI OUT
CEC Data
MicroConverter
SDI OUT
BiDirectional SDI/HDMI 3G
HDMI IN
HDMI
Micro Converter
BiDirectional SDI to HDMI 3G
CEC Data
HDMI OUT
MicroConverter
SDI OUT
BiDirectional SDI/HDMI 3G
HDMI IN
SDI IN
Micro Converter
ATEM Constellation 8K
ENG
KEY 1
DSK 1
DSK 2
TALK
1
2
3
4
5
6
7
8
9
10
MIX
MIX
MIX
PGM
BARS
BLACK
MP1
MIX
11
12
13
14
15
16
17
18
19
20
MIX
WIPE
DIP
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
CUT
AUTO
5
1
4
2
3
SDI
SDI
Program
CCU and
Tally Data
Return
Feed
SDI IN
CCU and Tally Data
SDI
SDI
Blackmagic Micro Converters
FTB
MP2
LOCK
DVE
MENU
SET
Blackmagic URSA Mini
21
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