Technical Specification
B.3.8 Analog Audio Input
The analogue audio input of the CE-xA VCM accepts two stereo pairs of analogue
audio through a breakout cable attached to the 15-way D-type backplane connector
of the CE-xA VCM. The VCM accepts two stereo pairs of analogue audio and
samples them at a frequency of 48 kHz.
The same inputs can be used for inputting digital audio as described in Digital Audio
Input.
Table B.12 Analog Audio Input Specification
Item Specification
Interface balanced or unbalanced
Impedance 20 kΩ
Clip level 18 dBu or 24 dBu
B.3.9 Power Consumption
The option cards do not exceed the following total power requirements.
Table B.13 Power Consumption Specification
Item Specification
Power Consumption CE-x does not exceed 120 Watts.
CE-a does not exceed 40 Watts.
CE-HEVC does not exceed 76 Watts.
Heat Dissipation
All VCM modules have been thermally modeled to minimize any potential
issues with heat dissipation.
B.3.10 Vertical Blanking Interval (VBI) and Ancillary (ANC) Data
The video stream ingested through the SDI/HD-SDI input on the VCM can carry
additional data associated with the video stream. These data are either inserted in
the horizontal or vertical blanking region (ANC) or in the non-active television lines
(VBI).
Ancillary Data
There are two positions in the video stream where ANC packets are allowed. The
first is the horizontal blanking interval of the video line, called the horizontal ANC
space (HANC). The second is the active portion of the video lines in the vertical
blanking interval, called the vertical ANC space (VANC). HANC and CANC of the
SDI signal can carry specific ancillary (ANC) data. The encoder then can be set up
to extract and repacketize the data carried in the HANC or VANC based on the ANC
data type.
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