EVS XS - Page 28

XS Series DISK RECORDER - Version 10.03 - Hardware
Technical Reference Manual
Issue
10.03.B
EVS Broadcast Equipment SA
–
March 2010
21
XFile[2] and XF[2] Transfers for Avid DNXHD® and Apple
ProRes 422
XFile[2] bandwidth for backup and restore is 27MB/s. Therefore, it can support:
• 2.4 real time transfers with Avid DNxHD® 85Mbps
• 2.0 real time transfers with Avid DNxHD® 100Mbps
• 1.8 real time transfers with Avid DNxHD® or Apple ProRes 422 at 120Mbps
(PAL)
• 1.5 real time transfers with Avid DNxHD® or Apple ProRes 422 at 145Mbps
(NTSC)
XF[2] bandwidth for backup is 50MB/s and 32MB/s for restore.
Therefore, it can support in backup mode:
• 4.0 real time transfers with Avid DNxHD® 85Mbps
• 3.5 real time transfers with Avid DNxHD® 100Mbps
• 3.0 real time transfers with Avid DNxHD® or Apple ProRes 422 at 120Mbps
(PAL)
• 2.5 real time transfers with Avid DNxHD® or Apple ProRes 422 at 145Mbps
(NTSC)
Therefore it can support in restore mode:
• 2.8 real time transfers with Avid DNxHD® 85Mbps
• 2.4 real time transfers with Avid DNxHD® 100Mbps
• 2.0 real time transfers with Avid DNxHD® or Apple ProRes 422 at 120Mbps
(PAL)
• 1.7 real time transfers with Avid DNxHD® or Apple ProRes 422 at 145Mbps
(NTSC)
Gigabit Ethernet Transfers with XS servers for Avid DNXHD®
and Apple ProRes 422
Preliminary note
The following observations focus on steady rates; the transfer
performances with small clips will be lower as they generate a lot of
starts and ends of sessions.
BACKUP
Maximum transfer speeds through the Gigabit ports of the XS server :
• 6 simultaneous real time transfers with Avid DNxHD® 85Mbps
• 6.2 x faster than real time on a single transfers with Avid DNxHD® 85Mbps
• 6 simultaneous real time transfers with Avid DNxHD® 100Mbps
• 5.3 x faster than real time on a single transfers with Avid DNxHD® 100Mbps
• 5.8 simultaneous real time transfers with Avid DNxHD® or Apple ProRes 422 at