EVS XS User Manual Page 41

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XNet Transfers
The maximum number of real-time channels between EVS servers through the SDTI ports
of the XS server are summarized in the following table.
The following tables take into account a field rate of 50.00 Hz, and the resolution 1080i,
and the following reference bandwidths:
an SDTI network of 1.5Gbps, with a maximum bandwidth of 110 MB/s
an SDTI network of 3Gbps, with a maximum bandwidth of 200 MB/s.
Note
The transfer speed in real-time for a single A/V stream is 10% lower compared
to the number of real-time transfers.
For example, a single transfer will be processed 12.3x faster than real-time for
XDCAM HD, and around 8x faster than real-time for Apple ProRes 422 LT.
Codec
Field
Rate
Video
Bitrate
(Mbps)
Block-
Based
Bandwidth
(MB/s)
RT
Transfers
(1.5G SDTI)
RT
Transfers
(3G SDTI)
XDCAM HD 50.00 Hz 50 13.4 8.2 14.9
Apple ProRes 422
LT
50.00 Hz 85 11.8 9.3 16.9
HD Mjpeg
Standard
50.00 Hz 100 33.4 3.2 6.0
HD Mpeg-2 Intra 50.00 Hz 100 66.7 1.6 3.0
DVCPro HD 50.00 Hz 100 23.6 4.6 8.47
AVC Intra 100 50.00 Hz 111 13.8 7.8 14.50
Avid DNxHD® 120 50.00 Hz 120 14.9 7.4 13.4
Apple ProRes 422
SQ
50.00 Hz 120 16.7 6.5 11.9
Avid DNxHD® 185 50.00 Hz 185 22.3 4.9 8.9
Apple ProRes 422
HQ
50.00 Hz 185 25.0 4.4 8.0
HARDWARE TECHNICAL REFERENCE MANUAL XS Server 12.05
4. Software Specifications 31
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