Grass Valley K2 Media Client System Guide v.3.3 - Manual (Page 198)

198 K2 Media Client System Guide June 9, 2009
Appendix B Specifications
On SD-00 models, both 16:9 and 4:3 SD aspect ratio formats can be played on the
same timeline. However, there is no aspect ratio conversion mode applied, as there is
on the HD-00 model.
SDA-00, SD-00, and HD-00 models support mixed clips with uncompressed and
compressed (Dolby-E) audio on the same timeline. (requires external Dolby-E
decoder).
Also refer to “VBI/Ancillary/data track specifications” on page 208 .
Playout on K2 Media Client HD-00 models
On HD-00 models, for similar frame rates (25/50 fps or 29.97/59.95 fps), MPEG SD
material transferred or recorded into the K2 Media Client along with its audio is
up-converted when played on a HD output channel. Likewise, HD material is
down-converted along with its audio when played on SD output channel. HD and SD
clips can be played back-to-back on the same timeline, and aspect ratio conversion is
user configurable. Refer to
“Aspect ratio conversions on HD K2 client” on page 200 .
Refer to the following tables for specifications on SD and HD conversions.
Also refer to “VBI/Ancillary/data track specifications” on page 208 .
25/50 fps conversions on HD K2 client models
The following specifications apply to the HD-00 K2 Media Client and to K2 Summit
Production Client channels with the XDP (HD) license.
Converted SD format Converted HD formats
625 at 25 fps 1080i at 25 fps 720p at 50 fps
So
ur
c
e
S
D
fo
rmat
625 at 25 fps No conversion Up-convert
SD to HD Up-convert
SD to HD
S
our
c
e
HD fo
rmats
1080i at 25 fps Down-convert
HD to SD No conversion Cross-convert
from 1080i to
720p
720p at 50 fps Down-convert
HD to SD Cross-convert
from 720p to
1080i No conversion