Video network performance, Appendix b specifications – Grass Valley K2 System Guide v.7.2 User Manual
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K2 System Guide
07 April 2010
Appendix B Specifications
Video network performance
K2 systems support streaming transfers to and from K2 Summit Production Clients,
K2 Solo Media Servers, K2 Media Clients, K2 SANs, Profile XP Media Platforms, or
any device that supports General Exchange Format (GXF) as described in SMPTE
360M.
Supported file input/output formats on K2 Summit/Solo/SAN
The K2 Solo Media Server, K2 Summit Production Client, and K2 SAN can send and
receive files of various formats using import, export, and transfer mechanisms.
Formats supported are as follows:
Parameter
Specification
Comments
Transfer bandwidth per internal storage K2
system
Up to 50 MBytes per second
—
Transfer bandwidth per Level 2 K2 Storage
50 MBytes per second
—
Transfer bandwidth per Level 3 K2 Storage
80 MBytes per second
Additional K2 Media Servers
dedicated as FTP servers add 80
MBytes per second each
Maximum concurrent transfers per transfer
engine
4 to 10, configurable on SAN
Additional transfers are queued.
Minimum delay from start of record to start of
transfer
20 seconds
This applies to both 60Hz timing
and 50Hz timing.
Minimum delay between start of transfer into
destination and start of play on destination
20 seconds.
—
Streaming
file format
Video
elementary
format
Audio elementary
format
File based
a
FTP stream
Other information
Import
Export
Import
Export
GXF
DVCPRO25
DVCPRO50
DVCPRO HD
b
DVCAM
MPEG-2
c
AVC-Intra
48 kHz,
16 bit, or
24 bit PCM,
Dolby-E, or AC-3
Yes
Yes
Yes
Yes
Streaming between
online K2 Systems
supports complex
movies and agile
playlists of mixed
format.
MXF
d
DVCPRO25
DVCPRO50
DVCPRO
HD
DVCAM
D10
e
MPEG-2
AVC-Intra
48 kHz,
16 bit, or
24 bit PCM,
Dolby-E, or AC-3
Yes
Yes
Yes
Yes
MXF OP 1A. See
export behavior on K2
Summit/Solo” on
page 218
DVCPRO25
DVCPRO50
DVCPRO HD
DVCAM
48 kHz,
16 bit, or
24 bit PCM
Yes
Yes
No
No
Type-2
(non-interleaved) DV
video only. Audio tracks
handled as stereo pairs.